CN112544361A - Water and fertilizer management method for dragon orchard - Google Patents
Water and fertilizer management method for dragon orchard Download PDFInfo
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- CN112544361A CN112544361A CN201910919678.2A CN201910919678A CN112544361A CN 112544361 A CN112544361 A CN 112544361A CN 201910919678 A CN201910919678 A CN 201910919678A CN 112544361 A CN112544361 A CN 112544361A
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000007726 management method Methods 0.000 title claims abstract description 35
- 239000002420 orchard Substances 0.000 title claims abstract description 19
- 244000157072 Hylocereus undatus Species 0.000 claims abstract description 88
- 235000018481 Hylocereus undatus Nutrition 0.000 claims abstract description 83
- 238000009331 sowing Methods 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 claims abstract description 20
- 235000003222 Helianthus annuus Nutrition 0.000 claims abstract description 19
- 239000003516 soil conditioner Substances 0.000 claims abstract description 19
- 241000213948 Astragalus sinicus Species 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 241000293268 Astragalus chinensis Species 0.000 claims abstract description 6
- 235000020238 sunflower seed Nutrition 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 44
- 238000002156 mixing Methods 0.000 claims description 40
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000005507 spraying Methods 0.000 claims description 19
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 claims description 16
- 235000013399 edible fruits Nutrition 0.000 claims description 15
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 14
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 14
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 14
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 14
- 239000010902 straw Substances 0.000 claims description 14
- 239000002068 microbial inoculum Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000013270 controlled release Methods 0.000 claims description 12
- 239000003895 organic fertilizer Substances 0.000 claims description 12
- 241001061264 Astragalus Species 0.000 claims description 11
- 235000010110 Astragalus glycyphyllos Nutrition 0.000 claims description 11
- 235000006533 astragalus Nutrition 0.000 claims description 11
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
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- 238000000576 coating method Methods 0.000 claims description 10
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- 230000004151 fermentation Effects 0.000 claims description 10
- 239000004021 humic acid Substances 0.000 claims description 10
- PMYDPQQPEAYXKD-UHFFFAOYSA-N 3-hydroxy-n-naphthalen-2-ylnaphthalene-2-carboxamide Chemical compound C1=CC=CC2=CC(NC(=O)C3=CC4=CC=CC=C4C=C3O)=CC=C21 PMYDPQQPEAYXKD-UHFFFAOYSA-N 0.000 claims description 9
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- 235000018262 Arachis monticola Nutrition 0.000 claims description 9
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 9
- 240000007049 Juglans regia Species 0.000 claims description 9
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- 239000002202 Polyethylene glycol Substances 0.000 claims description 9
- 235000019270 ammonium chloride Nutrition 0.000 claims description 9
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 9
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 9
- 239000011609 ammonium molybdate Substances 0.000 claims description 9
- 229940010552 ammonium molybdate Drugs 0.000 claims description 9
- 210000003608 fece Anatomy 0.000 claims description 9
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 9
- 239000011790 ferrous sulphate Substances 0.000 claims description 9
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 9
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 9
- 244000144972 livestock Species 0.000 claims description 9
- 239000010871 livestock manure Substances 0.000 claims description 9
- 238000010899 nucleation Methods 0.000 claims description 9
- 235000020232 peanut Nutrition 0.000 claims description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims description 9
- 244000144977 poultry Species 0.000 claims description 9
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 9
- 235000018716 sodium selenate Nutrition 0.000 claims description 9
- 239000011655 sodium selenate Substances 0.000 claims description 9
- 229960001881 sodium selenate Drugs 0.000 claims description 9
- 235000020234 walnut Nutrition 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 241000186361 Actinobacteria <class> Species 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000005696 Diammonium phosphate Substances 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 241000223259 Trichoderma Species 0.000 claims description 5
- YMKIRWHSXOBLCF-UHFFFAOYSA-N [Mg].[P].[Ca] Chemical compound [Mg].[P].[Ca] YMKIRWHSXOBLCF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 5
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 5
- 229960001781 ferrous sulfate Drugs 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 5
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 5
- 229910052622 kaolinite Inorganic materials 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 claims description 4
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 2
- 244000020551 Helianthus annuus Species 0.000 claims 2
- 241000208818 Helianthus Species 0.000 abstract description 17
- 235000015097 nutrients Nutrition 0.000 abstract description 11
- 241000196324 Embryophyta Species 0.000 abstract description 8
- 238000009342 intercropping Methods 0.000 abstract description 8
- 241000238631 Hexapoda Species 0.000 abstract description 3
- 241000607479 Yersinia pestis Species 0.000 abstract description 3
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 230000004720 fertilization Effects 0.000 abstract description 3
- 238000009333 weeding Methods 0.000 abstract description 3
- 230000002860 competitive effect Effects 0.000 abstract description 2
- 240000001432 Calendula officinalis Species 0.000 description 6
- 235000010837 Echinocereus enneacanthus subsp brevispinus Nutrition 0.000 description 6
- 235000006850 Echinocereus enneacanthus var dubius Nutrition 0.000 description 6
- 235000005881 Calendula officinalis Nutrition 0.000 description 5
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 5
- 241000233866 Fungi Species 0.000 description 3
- 244000017020 Ipomoea batatas Species 0.000 description 3
- 235000002678 Ipomoea batatas Nutrition 0.000 description 3
- 240000004658 Medicago sativa Species 0.000 description 3
- 235000017587 Medicago sativa ssp. sativa Nutrition 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 241000209082 Lolium Species 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- AJBZENLMTKDAEK-UHFFFAOYSA-N 3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysene-4,9-diol Chemical compound CC12CCC(O)C(C)(C)C1CCC(C1(C)CC3O)(C)C2CCC1C1C3(C)CCC1C(=C)C AJBZENLMTKDAEK-UHFFFAOYSA-N 0.000 description 1
- 241000317410 Arisaema dracontium Species 0.000 description 1
- 241000219357 Cactaceae Species 0.000 description 1
- 235000003880 Calendula Nutrition 0.000 description 1
- AUNGANRZJHBGPY-UHFFFAOYSA-N D-Lyxoflavin Natural products OCC(O)C(O)C(O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-UHFFFAOYSA-N 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 102000015781 Dietary Proteins Human genes 0.000 description 1
- 108010010256 Dietary Proteins Proteins 0.000 description 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 1
- 240000006915 Petasites Species 0.000 description 1
- AUNGANRZJHBGPY-SCRDCRAPSA-N Riboflavin Chemical compound OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-SCRDCRAPSA-N 0.000 description 1
- 229930003471 Vitamin B2 Natural products 0.000 description 1
- 229930003537 Vitamin B3 Natural products 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002493 climbing effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 235000013325 dietary fiber Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 208000021267 infertility disease Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 229960003512 nicotinic acid Drugs 0.000 description 1
- DFPAKSUCGFBDDF-UHFFFAOYSA-N nicotinic acid amide Natural products NC(=O)C1=CC=CN=C1 DFPAKSUCGFBDDF-UHFFFAOYSA-N 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 229960002477 riboflavin Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000019164 vitamin B2 Nutrition 0.000 description 1
- 239000011716 vitamin B2 Substances 0.000 description 1
- 235000019160 vitamin B3 Nutrition 0.000 description 1
- 239000011708 vitamin B3 Substances 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/40—Fabaceae, e.g. beans or peas
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Soil Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Botany (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Pest Control & Pesticides (AREA)
- Water Supply & Treatment (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of agricultural cultivation, and particularly relates to a water and fertilizer management method for a dragon orchard, which comprises dragon fruit planting, sunflower sowing and water and fertilizer management, Chinese milk vetch sowing and water and fertilizer management; the sunflower sowing and water and fertilizer management comprises the following steps: deeply ploughing the interrow soil of the dragon fruits in the last ten days of 4 months, applying a soil conditioner, and then making ridges, wherein the width of each ridge is 85-90cm, and a ditch with the depth of about 6cm is reserved between every two ridges; the distance between each ridge and the dragon fruit tree is about 40cm, and a ditch with the depth of about 15cm is reserved between each ridge and the dragon fruit tree; the sunflower seeds are sowed on the ridge surface for dressing, and water is sprayed in the whole garden after sowing. The invention can provide sufficient nutrients for intercropping crops and dragon fruit trees to grow through a reasonable fertilizing method, and can avoid that the continuous fertilization in the intercropping period damages the ornamental value of the sunflower and the astragalus sinicus; moreover, the astragalus sinicus, the sunflower and the weeds are subjected to competitive growth, the intertillage weeding frequency is reduced, and the labor investment is reduced; meanwhile, the ecological environment of the dragon orchard can be improved, and the occurrence of plant diseases and insect pests is reduced.
Description
Technical Field
The invention belongs to the technical field of agricultural cultivation, and particularly relates to a water and fertilizer management method for a dragon orchard.
Background
Pitaya, also known as red dragon fruit, green dragon fruit, Xianmei fruit, belong to the cactaceae, genus Petasites cultivar. The pitaya has unique flavor and rich nutrition, and is rich in protein, dietary fiber, vitamin B2, vitamin B3, vitamin C, trace elements and other nutrient substances; is a fruit which is popular with consumers in recent years. The dragon fruit is tropical and subtropical fruit, is heat-resistant, drought-resistant, fertile and infertile, and is suitable for growing in warm and humid places. The low-altitude and heat-rich areas such as southern China, northern China, red river and the like are suitable for planting the dragon fruits. In recent years, the planting scale of dragon fruits in Guizhou province is also continuously expanded.
At present, the planting mode of more adopting the simplification in dragon orchard has following problem: (1) the dragon fruit is a succulent plant with perennial climbing property, the dragon fruit is cultivated in a multi-purpose column shape, the stem of the dragon fruit is climbed on the upright post to grow, the upright posts are separated by 1-3 meters, the planting row spacing is wide, and the dragon fruit begins to enter a high yield period in the third year. (2) The flowering period of the dragon fruit is from the middle-late 5 month to the middle-early 10 month, the fruit picking period is from the middle-late 6 month to the upper 12 month, the period from 12 months to the next 5 months is the top-empty period of the dragon fruit, the land is basically in an idle state, the utilization rate is low, and weeds are clustered; and the soil is not covered, the natural water content is lower, the growth of microorganisms in the soil is not facilitated, and the growth and the yield of the dragon fruit trees in the next year can be further influenced. (3) The variety of crops in the dragon orchard is single, and diseases and insect pests are easy to occur.
Due to the above technical problems of the single planting mode dragon garden, researchers have conducted research on intercropping dragon fruits and other plants. For example, patent application No. 201710708914.7 discloses a method for three-dimensional interplanting of dragon fruits, in which sweet potatoes, ryegrass, alfalfa, marigold, calendula officinalis and milk vetch are interplanted among dragon fruit rows, and a base fertilizer is applied before planting, wherein the base fertilizer is prepared from dragon fruit branches, sweet potato leaves, sweet potato vines, ryegrass, alfalfa, marigold, calendula officinalis and milk vetch as raw materials, and is used in combination with humic acid and sludge; the three-dimensional interplanting method adopted by the patent solves the problems of soil hardening, insufficient fertility, poor water and fertilizer retention capability and the like; however, if the sightseeing agriculture is developed by interplanting alfalfa, marigold, calendula and astragalus sinicus, the fertilizer application/water is mainly sprayed, the fertilizer/water loss is large, and the nutrient absorption rate of intercropping crops and dragon fruit trees is low.
Disclosure of Invention
The invention aims to provide a water and fertilizer management method for a dragon orchard, which solves the problems of great fertilizer and water loss and low absorption rate when ornamental plants are intercropped in the dragon orchard, develops the sightseeing agriculture at great haircut and increases the comprehensive production benefit; the method is realized by the following technical scheme:
a water and fertilizer management method for a dragon orchard comprises dragon fruit planting, sunflower sowing and water and fertilizer management, Chinese milk vetch sowing and water and fertilizer management; the method is characterized in that the sunflower seeding and water and fertilizer management comprises the following steps: deeply ploughing the interrow soil of the dragon fruits in the last ten days of 4 months, applying a soil conditioner, and then making ridges, wherein the width of each ridge is 85-90cm, and a ditch with the depth of about 6cm is reserved between every two ridges; the distance between each ridge and the dragon fruit tree is about 40cm, and a ditch with the depth of about 15cm is reserved between each ridge and the dragon fruit tree; sowing sunflower seeds on the ridge surface, dressing the seeds, and spraying water in the whole garden after sowing;
preferably, the astragalus sinicus seeding and water and fertilizer management comprises the following steps: sowing astragalus sinicus seeds on the ridge surface in late 11 th month, spraying water on the ridge surface after sowing, and irrigating water-soluble fertilizer in the ditch; and (5) mowing the next year and covering under the dragon fruit trees.
Preferably, the dragon garden is planted as follows: the method comprises the steps of planting the dragon fruits on a single column with a plant-row spacing of 2m multiplied by 3m, directly cutting dragon fruit branches around cement piles in the middle and late 3 months, applying a special compound fertilizer for the dragon fruits at a position with a depth of about 30cm of cutting soil before cutting, and spraying water after cutting.
Preferably, the soil conditioner is prepared by mixing 0.5-0.8 part of composite microbial inoculum, 150-200 parts of crop straw powder, 80-100 parts of shell activated carbon, 50-60 parts of sludge, 200-300 parts of mushroom bran, 200-300 parts of monopotassium phosphate and 50-60 parts of ferric sulfate in parts by weight, and the fertilizer is applied by 400-600kg per mu.
Preferably, the compound microbial inoculum is formed by mixing streptococcus thermophilus and trichoderma in a mass ratio of 1: 2. The compound microbial inoculum can enrich trace elements such as iron and the like in soil to promote the growth of crops and dragon fruit trees; meanwhile, the compound microbial inoculum has a certain antagonistic action on part of microorganisms in soil, and can inhibit the rate of soil microorganisms degrading soil conditioner, so that the compound microbial inoculum can keep good adsorbability for a long time.
Preferably, the water-soluble fertilizer is prepared from 4-5 parts of citric acid chelated iron, 4-5 parts of citric acid chelated copper, 6-10 parts of chelated boron, 30-40 parts of diammonium phosphate and 1200-1200 parts of water by weight per mu by applying 1000-1200 kg.
The compound fertilizer special for the dragon fruits is prepared from the following raw materials in parts by weight: 25-30 parts of straw, 18-20 parts of peanut shell, 10-15 parts of walnut shell, 30-35 parts of decomposed livestock and poultry manure, 5-8 parts of humic acid, 2-4 parts of ammonium chloride, 6-10 parts of monopotassium phosphate, 1-2 parts of ferrous sulfate, 0.3-0.5 part of ammonium molybdate, 0.3-0.5 part of sodium selenate, 3-4 parts of EDTA, 25-30 parts of water, 2-4 parts of polyethylene glycol, 2-3 parts of silica sol, 0.5-1 part of kaolin and 0.5-1 part of calcium magnesium phosphate fertilizer.
Preferably, the preparation method of the compound fertilizer special for the dragon garden fruits comprises the following steps:
(1) mixing and crushing straw, peanut shell and walnut shell, and adding lime heap with the mass of the crushed material being about 10% to treat for 5-6 days to obtain a mixture A;
(2) uniformly mixing the mixture A and decomposed livestock and poultry manure, adding 1-2% of actinomycetes and 0.5-1% of streptococcus thermophilus by mass, and fermenting in a fermentation tank in a closed manner for 5-6 days to obtain a fermented product;
(3) uniformly mixing the fermentation product with humic acid to obtain an organic fertilizer;
(4) uniformly mixing ammonium chloride, monopotassium phosphate, ferrous sulfate, ammonium molybdate, sodium selenate, EDTA and water, and then feeding the mixture into a granulator for granulation to obtain a granular compound fertilizer;
(5) pulverizing kaolinite and calcium-magnesium-phosphorus fertilizer, adding 1 time of water to prepare slurry, mixing with polyethylene glycol and silica sol, and stirring at 50-60 deg.C for about 30min to obtain coating agent;
(6) putting the granular compound fertilizer into a coating machine, and spraying and coating the granular compound fertilizer by using a coating agent to obtain a controlled-release fertilizer;
(7) and (3) uniformly mixing the controlled release fertilizer and the organic fertilizer to obtain the compound fertilizer special for the dragon garden fruits.
The application amount of the special compound fertilizer for the pitaya is 400-600 kg/mu.
The invention has the beneficial effects that:
the flowering period of the dragon fruits is 5-10 months, 8-10 batches of flowers are bloomed, the flowering period of the milk vetch is 2-6 months, and the flowering period of the sunflower is 5-11 months, so that the dragon orchard can be in the flowering period in 10 months all the year, the sightseeing agriculture can be developed vigorously, and the comprehensive income of fruit growers is increased.
The compound fertilizer special for the dragon fruits is formed by applying an organic fertilizer and a controlled release fertilizer when the dragon fruits are planted; the organic fertilizer can provide sufficient nutrients for the early germination stage of the dragon fruits, has good adsorbability and can enrich the nutrients; the controlled release fertilizer has good slow release effect, can provide nutrients for the later growth of the dragon fruits, reduces the subsequent fertilizing amount and improves the utilization rate of the fertilizer.
Before the sunflower and the milk vetch are intercropped, the soil conditioner is applied to the soil, and the soil conditioner has good adsorption performance and slow release performance, and can slowly release nutrients in the soil for the growth of crops and dragon fruit trees. The water-soluble fertilizer is applied by making grooves with different depths between ridges and dragon fruit trees, so that nutrients can be supplemented in time when the nutrients are insufficient, and the soil conditioner in the soil has good adsorption performance on the applied water-soluble fertilizer, so that the loss rate of the water-soluble fertilizer can be effectively reduced; the grooves with different depths can provide different amounts of nutrients for the milk vetch and dragon fruit trees, so that the water-soluble fertilizer can be reasonably distributed among the milk vetch and dragon fruit trees. The soil conditioner is combined with the water soluble fertilizer and the special compound fertilizer for the dragon fruit, so that the condition that the ornamental value of the sun flowers and the milk vetch is damaged due to continuous fertilization during intercropping of the dragon fruit trees, the sun flowers and the milk vetch can be avoided, and sufficient nutrients can be provided for the dragon fruit trees, the sun flowers and the milk vetch.
According to the invention, sunflower and milk vetch are intercropped reasonably among dragon fruit rows, and the vacant space among the dragon fruit rows is fully utilized to develop sightseeing agriculture, so that the income of fruit growers is increased; through a reasonable water and fertilizer management method, sufficient nutrients can be provided for intercropping crops and dragon fruit trees for the growth of the intercropping crops and the dragon fruit trees, and the phenomenon that the ornamental value of the sunflowers and the astragalus sinicus is damaged due to continuous fertilization during the intercropping period can be avoided; moreover, the astragalus sinicus, the sunflower and the weeds are subjected to competitive growth, the intertillage weeding frequency is reduced, and the labor investment is reduced; meanwhile, the ecological environment of the dragon orchard can be improved, and the occurrence of plant diseases and insect pests is reduced.
Detailed Description
The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of the claims is not limited to the description.
Example 1
A water and fertilizer management method for a dragon orchard comprises the following steps:
(1) planting dragon fruits: the method comprises the following steps of planting dragon fruits on a single column with a plant-row spacing of 2m multiplied by 3m, selecting dragon fruit branches to be directly cut around cement piles in the middle and late 3 months, applying a special compound fertilizer for the dragon fruits at a position with the depth of about 30cm of cutting soil before cutting, and spraying water after cutting;
(2) sunflower seeding and water and fertilizer management: deeply ploughing the interrow soil of the dragon fruits in the last ten days of 4 months, applying a soil conditioner, and then making ridges, wherein the width of each ridge is 85-90cm, and a ditch with the depth of about 6cm is reserved between every two ridges; the distance between each ridge and the dragon fruit tree is about 40cm, and a ditch with the depth of about 15cm is reserved between each ridge and the dragon fruit tree; sowing sunflower seeds on the ridge surface, dressing the seeds, and spraying water in the whole garden after sowing;
(3) the Chinese milk vetch seeding and water and fertilizer management comprises the following steps: sowing astragalus sinicus seeds on the ridge surface in late 11 th month, spraying water on the ridge surface after sowing, and irrigating water-soluble fertilizer in the ditch; and (5) mowing the next year and covering under the dragon fruit trees.
The soil conditioner is formed by mixing 0.5kg of composite microbial inoculum, 150kg of crop straw powder, 80kg of shell activated carbon, 50kg of sludge, 200kg of fungus chaff, 200kg of monopotassium phosphate and 50kg of ferric sulfate according to parts by weight, and 400kg of soil conditioner is applied per mu.
The composite microbial inoculum is formed by mixing streptococcus thermophilus and trichoderma in a mass ratio of 1: 2.
The water soluble fertilizer is prepared by applying 1200kg of water in per mu of 4kg of citric acid chelated iron, 4kg of citric acid chelated copper, 6kg of chelated boron, 30kg of diammonium phosphate and 1200kg of water.
The compound fertilizer special for the dragon fruits is prepared from the following raw materials in parts by weight: 25kg of straw, 18kg of peanut shell, 10kg of walnut shell, 30kg of decomposed livestock and poultry manure, 5kg of humic acid, 2kg of ammonium chloride, 6kg of monopotassium phosphate, 1kg of ferrous sulfate, 0.3kg of ammonium molybdate, 0.3kg of sodium selenate, 3kg of EDTA, 25kg of water, 2kg of polyethylene glycol, 2kg of silica sol, 0.5kg of kaolin and 0.5kg of calcium magnesium phosphate fertilizer.
The preparation method of the special compound fertilizer for the dragon garden fruits comprises the following steps:
(1) mixing and crushing straw, peanut shell and walnut shell, and adding lime heap with the mass of the crushed material being about 10% to treat for 5 days to obtain a mixture A;
(2) uniformly mixing the mixture A and decomposed livestock and poultry manure, adding 1% of actinomycetes and 0.5% of streptococcus thermophilus by mass, and fermenting in a fermentation tank in a closed manner for 5 days to obtain a fermented product;
(3) uniformly mixing the fermentation product with humic acid to obtain an organic fertilizer;
(4) uniformly mixing ammonium chloride, monopotassium phosphate, ferrous sulfate, ammonium molybdate, sodium selenate, EDTA and water, and then feeding the mixture into a granulator for granulation to obtain a granular compound fertilizer;
(5) pulverizing kaolinite and calcium-magnesium-phosphorus fertilizer, adding 1 time of water to prepare slurry, mixing with polyethylene glycol and silica sol, and stirring at 50-60 deg.C for about 30min to obtain coating agent;
(6) putting the granular compound fertilizer into a coating machine, and spraying and coating the granular compound fertilizer by using a coating agent to obtain a controlled-release fertilizer;
(7) and (3) uniformly mixing the controlled release fertilizer and the organic fertilizer to obtain the compound fertilizer special for the dragon garden fruits.
The application amount of the special compound fertilizer for the pitaya garden is 500 kg/mu.
Example 2
A water and fertilizer management method for a dragon orchard comprises the following steps:
(1) planting dragon fruits: the method comprises the following steps of planting dragon fruits on a single column with a plant-row spacing of 2m multiplied by 3m, selecting dragon fruit branches to be directly cut around cement piles in the middle and late 3 months, applying a special compound fertilizer for the dragon fruits at a position with the depth of about 30cm of cutting soil before cutting, and spraying water after cutting;
(2) sunflower seeding and water and fertilizer management: deeply ploughing the interrow soil of the dragon fruits in the last ten days of 4 months, applying a soil conditioner, and then making ridges, wherein the width of each ridge is 85-90cm, and a ditch with the depth of about 6cm is reserved between every two ridges; the distance between each ridge and the dragon fruit tree is about 40cm, and a ditch with the depth of about 15cm is reserved between each ridge and the dragon fruit tree; sowing sunflower seeds on the ridge surface, dressing the seeds, and spraying water in the whole garden after sowing;
(3) the Chinese milk vetch seeding and water and fertilizer management comprises the following steps: sowing astragalus sinicus seeds on the ridge surface in late 11 th month, spraying water on the ridge surface after sowing, and irrigating water-soluble fertilizer in the ditch; and (5) mowing the next year and covering under the dragon fruit trees.
The soil conditioner is formed by mixing 0.6kg of composite microbial inoculum, 180kg of crop straw powder, 80kg of shell activated carbon, 56kg of sludge, 240kg of fungus bran, 240kg of monopotassium phosphate and 55kg of ferric sulfate according to parts by weight, and 600kg of soil conditioner is applied per mu.
The composite microbial inoculum is formed by mixing streptococcus thermophilus and trichoderma in a mass ratio of 1: 2.
The water soluble fertilizer is prepared by irrigating 1000kg per mu with 4.2kg of citric acid chelated iron, 4.5kg of citric acid chelated copper, 8kg of chelated boron, 36kg of diammonium phosphate and 1400kg of water.
The preparation method of the special compound fertilizer for the dragon garden fruits comprises the following steps:
(1) mixing and crushing straw, peanut shell and walnut shell, and adding lime heap with the mass of the crushed material being about 10% to treat for 5 days to obtain a mixture A;
(2) uniformly mixing the mixture A and decomposed livestock and poultry manure, adding actinomycetes and streptococcus thermophilus accounting for 1.2% of the mass of the mixture A and 0.5% of the mass of the mixture A, and fermenting in a fermentation tank in a closed manner for 5 days to obtain a fermented product;
(3) uniformly mixing the fermentation product with humic acid to obtain an organic fertilizer;
(4) uniformly mixing ammonium chloride, monopotassium phosphate, ferrous sulfate, ammonium molybdate, sodium selenate, EDTA and water, and then feeding the mixture into a granulator for granulation to obtain a granular compound fertilizer;
(5) pulverizing kaolinite and calcium-magnesium-phosphorus fertilizer, adding 1 time of water to prepare slurry, mixing with polyethylene glycol and silica sol, and stirring at 50-60 deg.C for about 30min to obtain coating agent;
(6) putting the granular compound fertilizer into a coating machine, and spraying and coating the granular compound fertilizer by using a coating agent to obtain a controlled-release fertilizer;
(7) and (3) uniformly mixing the controlled release fertilizer and the organic fertilizer to obtain the compound fertilizer special for the dragon garden fruits.
The application amount of the special compound fertilizer for the pitaya garden is 400 kg/mu.
Example 3
A water and fertilizer management method for a dragon orchard comprises the following steps:
(1) planting dragon fruits: the method comprises the following steps of planting dragon fruits on a single column with a plant-row spacing of 2m multiplied by 3m, selecting dragon fruit branches to be directly cut around cement piles in the middle and late 3 months, applying a special compound fertilizer for the dragon fruits at a position with the depth of about 30cm of cutting soil before cutting, and spraying water after cutting;
(2) sunflower seeding and water and fertilizer management: deeply ploughing the interrow soil of the dragon fruits in the last ten days of 4 months, applying a soil conditioner, and then making ridges, wherein the width of each ridge is 85-90cm, and a ditch with the depth of about 6cm is reserved between every two ridges; the distance between each ridge and the dragon fruit tree is about 40cm, and a ditch with the depth of about 15cm is reserved between each ridge and the dragon fruit tree; sowing sunflower seeds on the ridge surface, dressing the seeds, and spraying water in the whole garden after sowing;
(3) the Chinese milk vetch seeding and water and fertilizer management comprises the following steps: sowing astragalus sinicus seeds on the ridge surface in late 11 th month, spraying water on the ridge surface after sowing, and irrigating water-soluble fertilizer in the ditch; and (5) mowing the next year and covering under the dragon fruit trees.
The soil conditioner is formed by mixing 0.8kg of composite microbial inoculum, 200kg of crop straw powder, 100kg of shell activated carbon, 60kg of sludge, 300kg of fungus chaff, 300kg of monopotassium phosphate and 60kg of ferric sulfate according to parts by weight, and 400kg of soil conditioner is applied per mu.
The composite microbial inoculum is formed by mixing streptococcus thermophilus and trichoderma in a mass ratio of 1: 2.
The water soluble fertilizer is prepared by irrigating 1000kg per mu with 5kg of citric acid chelated iron, 5kg of citric acid chelated copper, 10kg of chelated boron, 40kg of diammonium phosphate and 1500kg of water.
The compound fertilizer special for the dragon fruits is prepared from the following raw materials in parts by weight: 30kg of straw, 20kg of peanut shell, 15kg of walnut shell, 35kg of decomposed livestock and poultry manure, 8kg of humic acid, 4kg of ammonium chloride, 10kg of monopotassium phosphate, 2kg of ferrous sulfate, 0.5kg of ammonium molybdate, 0.5kg of sodium selenate, 4kg of EDTA, 30kg of water, 4kg of polyethylene glycol, 3kg of silica sol, 1kg of kaolin and 1kg of calcium magnesium phosphate fertilizer.
The preparation method of the special compound fertilizer for the dragon garden fruits comprises the following steps:
(1) mixing and crushing straw, peanut shell and walnut shell, and adding lime heap with the mass of the crushed material being about 10% to treat for 6 days to obtain a mixture A;
(2) uniformly mixing the mixture A and decomposed livestock and poultry manure, adding 2% of actinomycetes and 1% of streptococcus thermophilus by mass, and fermenting in a fermentation tank in a closed manner for 6 days to obtain a fermented product;
(3) uniformly mixing the fermentation product with humic acid to obtain an organic fertilizer;
(4) uniformly mixing ammonium chloride, monopotassium phosphate, ferrous sulfate, ammonium molybdate, sodium selenate, EDTA and water, and then feeding the mixture into a granulator for granulation to obtain a granular compound fertilizer;
(5) pulverizing kaolinite and calcium-magnesium-phosphorus fertilizer, adding 1 time of water to prepare slurry, mixing with polyethylene glycol and silica sol, and stirring at 50-60 deg.C for about 30min to obtain coating agent;
(6) putting the granular compound fertilizer into a coating machine, and spraying and coating the granular compound fertilizer by using a coating agent to obtain a controlled-release fertilizer;
(7) and (3) uniformly mixing the controlled release fertilizer and the organic fertilizer to obtain the compound fertilizer special for the dragon garden fruits.
The application amount of the special compound fertilizer for the pitaya garden is 600 kg/mu.
Test example 1
The weeding cost, the fertilizer cost and the sightseeing agricultural income of the embodiment 1-3 in one year are counted by taking a non-intercropped dragon orchard as a control group, and the results are shown in the table 1:
it should be noted that the above examples and test examples are only for further illustration and understanding of the technical solutions of the present invention, and are not to be construed as further limitations of the technical solutions of the present invention, and the invention which does not highlight essential features and significant advances made by those skilled in the art still belongs to the protection scope of the present invention.
Claims (8)
1. A water and fertilizer management method for a dragon orchard comprises dragon fruit planting, sunflower sowing and water and fertilizer management, Chinese milk vetch sowing and water and fertilizer management; the method is characterized in that the sunflower seeding and water and fertilizer management comprises the following steps: deeply ploughing the interrow soil of the dragon fruits in the last ten days of 4 months, applying a soil conditioner, and then making ridges, wherein the width of each ridge is 85-90cm, and a ditch with the depth of about 6cm is reserved between every two ridges; the distance between each ridge and the dragon fruit tree is about 40cm, and a ditch with the depth of about 15cm is reserved between each ridge and the dragon fruit tree; the sunflower seeds are sowed on the ridge surface for dressing, and water is sprayed in the whole garden after sowing.
2. The water and fertilizer management method for the dragon garden as claimed in claim 1, wherein the planting and water and fertilizer management of the milk vetch is as follows: sowing astragalus sinicus seeds on the ridge surface in late 11 th month, spraying water on the ridge surface after sowing, and irrigating water-soluble fertilizer in the ditch; and (5) mowing the next year and covering under the dragon fruit trees.
3. The water and fertilizer management method of the dragon garden as claimed in claim 1, wherein the dragon garden is planted by: the method comprises the steps of planting the dragon fruits on a single column with a plant-row spacing of 2m multiplied by 3m, directly cutting dragon fruit branches around cement piles in the middle and late 3 months, applying a special compound fertilizer for the dragon fruits at a soil depth of about 30cm before cutting, and spraying water after cutting.
4. The water and fertilizer management method of the dragon garden as claimed in claim 1, wherein the soil conditioner is formed by mixing 0.5-0.8 parts of composite microbial inoculum, 150-200 parts of crop straw powder, 80-100 parts of shell activated carbon, 50-60 parts of sludge, 200-300 parts of mushroom bran, 200-300 parts of monopotassium phosphate and 50-60 parts of ferric sulfate by weight, and 800-1000kg of fertilizer is applied per mu.
5. The water and fertilizer management method of the dragon garden as claimed in claim 1, wherein the complex microbial inoculum is formed by mixing streptococcus thermophilus and trichoderma in a mass ratio of 1: 2.
6. The water and fertilizer management method of the dragon garden as claimed in claim 2, wherein the water soluble fertilizer is prepared from 4-5 parts of citric acid chelated iron, 4-5 parts of citric acid chelated copper, 6-10 parts of chelated boron, 30-40 parts of diammonium phosphate, and 1200-1500 parts of water, and is applied for 800-1000kg per mu.
7. The water and fertilizer management method of the dragon garden as claimed in claim 3, wherein the compound fertilizer special for dragon fruits is prepared from the following raw materials in parts by weight: 25-30 parts of straw, 18-20 parts of peanut shell, 10-15 parts of walnut shell, 30-35 parts of decomposed livestock and poultry manure, 5-8 parts of humic acid, 2-4 parts of ammonium chloride, 6-10 parts of monopotassium phosphate, 1-2 parts of ferrous sulfate, 0.3-0.5 part of ammonium molybdate, 0.3-0.5 part of sodium selenate, 3-4 parts of EDTA, 25-30 parts of water, 2-4 parts of polyethylene glycol, 2-3 parts of silica sol, 0.5-1 part of kaolin and 0.5-1 part of calcium magnesium phosphate fertilizer.
8. The water and fertilizer management method for the dragon orchard as claimed in claim 7, wherein the preparation method of the compound fertilizer special for the dragon orchard comprises the following steps:
(1) mixing and crushing straw, peanut shell and walnut shell, and adding lime heap with the mass of the crushed material being about 10% to treat for 5-6 days to obtain a mixture A;
(2) uniformly mixing the mixture A and decomposed livestock and poultry manure, adding 1-2% of actinomycetes and 0.5-1% of streptococcus thermophilus by mass, and fermenting in a fermentation tank in a closed manner for 5-6 days to obtain a fermented product;
(3) uniformly mixing the fermentation product with humic acid to obtain an organic fertilizer;
(4) uniformly mixing ammonium chloride, monopotassium phosphate, ferrous sulfate, ammonium molybdate, sodium selenate, EDTA and water, and then feeding the mixture into a granulator for granulation to obtain a granular compound fertilizer;
(5) pulverizing kaolinite and calcium-magnesium-phosphorus fertilizer, adding 1 time of water to prepare slurry, mixing with polyethylene glycol and silica sol, and stirring at 50-60 deg.C for about 30min to obtain coating agent;
(6) putting the granular compound fertilizer into a coating machine, and spraying and coating the granular compound fertilizer by using a coating agent to obtain a controlled-release fertilizer;
(7) and (3) uniformly mixing the controlled release fertilizer and the organic fertilizer to obtain the compound fertilizer special for the dragon garden fruits.
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