CN110651680A - Konjac planting method for weeding by covering pine needles on konjac compartment surface - Google Patents
Konjac planting method for weeding by covering pine needles on konjac compartment surface Download PDFInfo
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- CN110651680A CN110651680A CN201910939634.6A CN201910939634A CN110651680A CN 110651680 A CN110651680 A CN 110651680A CN 201910939634 A CN201910939634 A CN 201910939634A CN 110651680 A CN110651680 A CN 110651680A
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- 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
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- 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
- A01G13/00—Protecting plants
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Abstract
The invention relates to the technical field of konjak planting, in particular to a konjak planting method by covering pine needles on a konjak compartment surface, which comprises the following steps: (1) land preparation and carriage lifting: selecting a plot with fertile soil, convenient irrigation and drainage, loose soil and semi-yin and semi-yang as a planting field, deep ploughing, harrowing, ditching, raising a box (2) and sowing: ditching and sowing on the compartment surface, and covering a layer of fine soil after sowing; (3) covering and weeding: immediately covering a layer of pine needle mixture after spraying the nutrient solution A on the sowed compartment surface; (4) and (3) water and fertilizer management: after the konjak seedlings grow, spraying nutrient solution B on the surface of the pine needle mixture, wherein the spraying amount is enough to wet half of the thickness of the pine needle mixture; and spraying a foliar fertilizer to the konjak seedlings about one week after the culture solution B is sprayed. According to the invention, the nutrient solution A and the nutrient solution B are adopted for treatment before and after pine needle covering, so that the weeding effect of pine needle covering is enhanced, and the plant diseases and insect pests caused by pine needle covering are reduced; and the konjak can keep good growth rate and has high yield.
Description
Technical Field
The invention relates to the technical field of konjak planting, in particular to a konjak planting method by covering pine needles on a konjak compartment surface.
Background
Konjak, also known as konnyaku, yunnao, Tou, Spanish Maranta, etc., belongs to herb plants of Araceae family, and is mainly distributed in Yun, Gui, Chuan, southern Shaanxi and western Hubei of China. The konjak contains rich konjak glucomannan, multiple vitamins and mineral elements such as potassium, phosphorus, selenium and the like; glucomannan has unique physicochemical properties and medicinal value, and can be used for preventing hyperlipidemia, hypercholesterolemia, diabetes, obesity, constipation, etc.; has wide application value in food and food additives; has good development prospect in the fields of cosmetics, edible films, chemical engineering and the like.
The disease, pest and weed damage of the konjak is the main reason for limiting the development of the konjak planting industry, particularly the damage of weeds. Konjak likes a cool, moist, ventilated and fertile growing environment, which also becomes 'optimist' for weed reproduction; the konjak field has various weeds, large field density and long harm time, the contradiction between the weeds and the konjak between fertilizer competition and water competition is very prominent, and the propagation of plant diseases and insect pests and the weed damage become important reasons for reducing the yield of the konjak.
In the prior konjak cultivation, the weeding mainly comprises artificial weeding, herbicide weeding and mulching film covering weeding; the development and production of the herbicide suitable for konjak on the ground are still in the reference test stage in China, the application technology of variety and quantity can not meet the production requirement of konjak, and no special konjak herbicide is available except common glyphosate isopropylammonium salt, glufosinate and quizalofop-p-ethyl. The glyphosate isopropylammonium salt and the glufosinate are mainly subjected to spray treatment under the condition that konjak does not emerge after sowing but weeds emerge, quizalofop-p-ethyl is used for spray treatment after konjak emerges, and the herbicides can inhibit the growth of konjak or cause the growth of konjak after being used. The manual weeding has large labor force and high cost. When the mulching film konjak is used for mulching weeding, the mulching film must be broken manually, and the mulching film is airtight, so that high disease is easily caused. Based on the method, a plurality of researchers research new weeding methods in the konjak planting process. For example, patent with application number CN201811341786.8 discloses a covering weeding konjak planting method, selecting a land with thick soil layer, loose soil, fertile soil and convenient irrigation and drainage, deep ploughing for 30-40 cm, ditching and ridging after raking for fine, wherein the ditching width is 1.0-1.5 m, and the ridge surface width is more than or equal to 0.7m and less than 1.2 m; the method comprises the steps of clearing the Ming festival to the grain rain festival, ditching and drilling or bunch planting on the ridge surface, wherein the seeding distance is 30cm multiplied by 40cm, meanwhile, organic fertilizer or farmyard manure is used as a main material, nitrogen-phosphorus-potassium compound fertilizer is used as an auxiliary application base fertilizer, 200-300 kg of organic fertilizer is applied per mu, 2000-3000 kg of farmyard manure is applied per mu, and 40-50 kg of compound fertilizer is applied per mu; immediately covering the whole ridge surface with pine needles/straws/hay or a straw mat with the thickness of 5-10 cm or 1-1.5 cm after planting; and in the last 7 th month, spraying foliar fertilizer every 10 days after the konjak seedlings emerge regularly, and spraying for 3-4 times. The patent discloses that the weeding is carried out by covering the ridge surface of the konjak with pine needles/straws/hay, and although the growth of weeds is inhibited to a certain extent by covering, the growth of the weeds cannot be controlled in the later growth stage of the konjak; and the pine needles/straws/hay are easy to breed diseases and insect pests after being covered, and the incidence rate of the diseases and insect pests of the konjak is high.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a pine needle covered konjak compartment surface weeding konjak planting method, which is realized by the following technical scheme:
a konjak planting method by covering pine needles on konjak compartment surfaces comprises the following steps:
(1) land preparation and carriage lifting: selecting a plot with fertile soil, convenient irrigation and drainage, loose soil and semi-yin and semi-yang as a planting field, and ditching and raising after deep ploughing and harrowing, wherein the width of a compartment surface is 1.2-1.5m, the height of the compartment is 25-30cm, and the width of the ditch is 60-70 cm;
(2) sowing: ditching and sowing on the compartment surface according to 4 rows in one compartment, wherein the row spacing of the plants is 30-35cm, and covering a layer of fine soil with the thickness of 5-7cm after sowing;
(3) covering and weeding: immediately covering a layer of pine needle mixture after spraying the nutrient solution A on the sowed compartment surface;
(4) and (3) water and fertilizer management: after the konjak seedlings grow, spraying nutrient solution B on the surface of the pine needle mixture, wherein the spraying amount is enough to wet half of the thickness of the pine needles; and spraying a foliar fertilizer to the konjak seedlings about one week after the culture solution B is sprayed.
Preferably, the nutrient solution A is prepared from the following raw materials in parts by weight: 4-6 parts of creeping wheatgrass, 8-10 parts of plantain herb, 3-4 parts of marigold, 1-2 parts of walnut leaves, 4-6 parts of tea leaves, 8-10 parts of sorghum roots, 6-8 parts of wheat glume, 3-4 parts of liquorice, 1-2 parts of radix stemonae, 6-8 parts of ivy, 0.3-0.4 part of tea saponin, 6-8 parts of mangnolia officinalis leaves, 4-6 parts of lettuce and 0.1-0.2 part of epoxidized soybean oil.
Preferably, the preparation method of the nutrient solution A comprises the following steps:
a. mixing and crushing creeping wheatgrass, plantain herb, marigold, walnut leaves, tea leaves, sorghum roots and wheat glume to 30-40 meshes, adding 10 times of 80% methanol for leaching for 5-6h, filtering to obtain filtrate A and filter residue A, and recovering the methanol in the filtrate A under reduced pressure to obtain extract A;
b. adding 15 times of water into the filter residue A, decocting for 3-4h, and filtering to obtain filtrate B and filter residue B; uniformly mixing the filtrate B and the extracting solution A to obtain a mixed extracting solution 1;
c. mixing Glycyrrhrizae radix, radix Stemonae, caulis Hederae sinensis, folium Magnolia officinalis and caulis et folium Lactucae Sativae, pulverizing to 30-40 mesh, adding 12 times of 60% ethanol, reflux-extracting at 60-70 deg.C for 40-45min, filtering to obtain filtrate C and residue C, and recovering methanol from filtrate C under reduced pressure to obtain mixed extractive solution 2;
d. uniformly stirring and mixing the mixed extracting solution 1 and the mixed extracting solution 2 with the tea saponin and the epoxy soybean oil, and diluting by 600 times and 700 times to obtain a nutrient solution A; mixing the residue B and the residue C, and drying at 50-60 deg.C until the water content is less than 10% to obtain mixed residue.
Preferably, the pine needle mixture is prepared by mixing pine needles and mixed dregs obtained after the nutrient solution A is prepared according to the mass ratio of 6-8: 1, and the covering thickness is 10-12 cm.
Preferably, the nutrient solution B is formed by mixing 1-2 parts of cane sugar, 0.5-1 part of konjaku flour, 1-2 parts of peptone, 0.01-0.015 part of composite microbial inoculum and 1000 parts of water by weight.
Preferably, the composite microbial inoculum is a liquid microbial inoculum, wherein the composite microbial inoculum contains streptomyces and rhodopseudomonas palustris, and the viable count of the streptomyces is 3-4 multiplied by 106cfu/ml, the number of viable bacteria of Rhodopseudomonas palustris is 1-2 × 104cfu/ml。
Preferably, the foliar fertilizer is prepared by mixing 8-10 parts of monopotassium phosphate, 2-3 parts of calcium superphosphate, 4-6 parts of magnesium nitrate, 0.4-0.5 part of alkyl glycoside, 1-2 parts of konjac glucomannan and 1200-1500 parts of water in parts by weight.
The invention has the following effective effects:
the mixed extract of creeping wheatgrass, plantain herb, marigold, walnut leaves, tea tree leaves, sorghum roots and wheat glume has a certain inhibition effect on the growth and germination of weeds; the liquorice, the stemona root, the ivy, the officinal magnolia leaves, the lettuce and the tea saponin are mixed for use, so that the strong killing effect on germs and insect pests generated in the covering process of the pine needle mixture is achieved; the tea saponin and the epoxidized soybean oil can improve the stability of the nutrient solution A; the nutrient solution A can effectively inhibit the germination of weeds in the early-stage germination and growth process of the konjak, reduces the occurrence of plant diseases and insect pests in the planting process covered by the pine needle mixture, and does not influence the growth of the konjak. The composite microbial inoculum in the nutrient solution B can decompose active ingredients in the pine needle mixture and generate metabolites, and the active ingredients and the metabolites can inhibit the growth of weeds to a certain extent and cannot influence the growth of konjak. The alkyl glycoside and konjac glucomannan are added into the foliar fertilizer, so that the stability of the foliar fertilizer can be enhanced, and the absorption of the konjac seedlings on the foliar fertilizer is promoted.
According to the invention, the nutrient solution A and the nutrient solution B are adopted for treatment before and after pine needle covering, so that the weeding effect of pine needle covering is enhanced, and the plant diseases and insect pests caused by pine needle covering are reduced; and the konjak can keep good growth rate and has high yield.
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 konjak planting method by covering pine needles on konjak compartment surfaces comprises the following steps:
(1) land preparation and carriage lifting: selecting a plot with fertile soil, convenient irrigation and drainage, loose soil and semi-yin and semi-yang as a planting field, and ditching and raising after deep ploughing and harrowing, wherein the width of a compartment surface is 1.2-1.5m, the height of the compartment is 25-30cm, and the width of the ditch is 60-70 cm;
(2) sowing: ditching and sowing on the compartment surface according to 4 rows in one compartment, wherein the row spacing of the plants is 30-35cm, and covering a layer of fine soil with the thickness of 5-7cm after sowing;
(3) covering and weeding: immediately covering a layer of pine needle mixture after spraying the nutrient solution A on the sowed compartment surface;
(4) and (3) water and fertilizer management: after the konjak seedlings grow, spraying nutrient solution B on the surface of the pine needle mixture, wherein the spraying amount is enough to wet half of the thickness of the pine needles; and spraying a foliar fertilizer to the konjak seedlings about one week after the culture solution B is sprayed.
Preferably, the nutrient solution A is prepared from the following raw materials in parts by weight: 4kg of creeping wheatgrass, 8kg of plantain herb, 3kg of marigold, 1kg of walnut leaves, 4kg of tea leaves, 8kg of sorghum roots, 6kg of wheat glume, 3kg of liquorice, 1kg of radix stemonae, 6kg of ivy, 0.3kg of tea saponin, 6kg of mangnolia officinalis leaves, 4kg of lettuce and 0.1kg of epoxidized soybean oil.
The preparation method of the nutrient solution A comprises the following steps:
a. mixing and crushing creeping wheatgrass, plantain herb, marigold, walnut leaves, tea leaves, sorghum roots and wheat glume to 30-40 meshes, adding 10 times of 80% methanol for leaching for 5 hours, filtering to obtain a filtrate A and a filter residue A, and recovering the methanol in the filtrate A under reduced pressure to obtain an extracting solution A;
b. adding 15 times of water into the filter residue A, decocting for 3h, and filtering to obtain a filtrate B and a filter residue B; uniformly mixing the filtrate B and the extracting solution A to obtain a mixed extracting solution 1;
c. mixing Glycyrrhrizae radix, radix Stemonae, caulis Hederae sinensis, folium Magnolia officinalis and caulis et folium Lactucae Sativae, pulverizing to 30-40 mesh, adding 12 times of 60% ethanol, reflux extracting at 60 deg.C for 45min, filtering to obtain filtrate C and residue C, and recovering methanol from filtrate C under reduced pressure to obtain mixed extractive solution 2;
d. uniformly stirring and mixing the mixed extract 1 and the mixed extract 2 with tea saponin and epoxidized soybean oil, and diluting by 600 times to obtain a nutrient solution A; mixing the residue B and the residue C, and drying at 50-60 deg.C until the water content is less than 10% to obtain mixed residue.
The pine needle mixture is prepared by mixing pine needles and mixed dregs obtained after the nutrient solution A is prepared according to the mass ratio of 6: 1, and the covering thickness is 10-12 cm.
The nutrient solution B is prepared by mixing 1kg of sucrose, 0.5kg of konjac flour, 1kg of peptone, 0.01kg of composite microbial inoculum and 1000kg of composite microbial inoculum according to parts by weight.
The composite microbial inoculum is a liquid microbial inoculum, which contains streptomycete and rhodopseudomonas palustris, wherein the viable count of the streptomycete is 3-4 multiplied by 106cfu/ml, the number of viable bacteria of Rhodopseudomonas palustris is 1-2 × 104cfu/ml。
The foliar fertilizer is prepared by mixing 8kg of monopotassium phosphate, 2kg of calcium superphosphate, 4kg of magnesium nitrate, 0.4kg of alkyl glycoside, 1kg of konjac glucomannan and 1200kg of water in parts by weight.
Example 2
A konjak planting method by covering pine needles on konjak compartment surfaces comprises the following steps:
(1) land preparation and carriage lifting: selecting a plot with fertile soil, convenient irrigation and drainage, loose soil and semi-yin and semi-yang as a planting field, and ditching and raising after deep ploughing and harrowing, wherein the width of a compartment surface is 1.2-1.5m, the height of the compartment is 25-30cm, and the width of the ditch is 60-70 cm;
(2) sowing: ditching and sowing on the compartment surface according to 4 rows in one compartment, wherein the row spacing of the plants is 30-35cm, and covering a layer of fine soil with the thickness of 5-7cm after sowing;
(3) covering and weeding: immediately covering a layer of pine needle mixture after spraying the nutrient solution A on the sowed compartment surface;
(4) and (3) water and fertilizer management: after the konjak seedlings grow, spraying nutrient solution B on the surface of the pine needle mixture, wherein the spraying amount is enough to wet half of the thickness of the pine needles; and spraying a foliar fertilizer to the konjak seedlings about one week after the culture solution B is sprayed.
The nutrient solution A is prepared from the following raw materials in parts by weight: 5kg of creeping wheatgrass, 8.5kg of plantain herb, 3.4kg of marigold, 1.5kg of walnut leaves, 5kg of tea leaves, 9kg of sorghum roots, 7kg of wheat glumes, 3.2kg of liquorice, 1.2kg of radix stemonae, 7kg of ivy, 0.35kg of tea saponin, 7kg of mangnolia officinalis leaves, 5kg of lettuce and 0.12kg of epoxidized soybean oil.
The preparation method of the nutrient solution A comprises the following steps:
a. mixing and crushing creeping wheatgrass, plantain herb, marigold, walnut leaves, tea leaves, sorghum roots and wheat glume to 30-40 meshes, adding 10 times of 80% methanol for leaching for 5 hours, filtering to obtain a filtrate A and a filter residue A, and recovering the methanol in the filtrate A under reduced pressure to obtain an extracting solution A;
b. adding 15 times of water into the filter residue A, decocting for 4h, and filtering to obtain a filtrate B and a filter residue B; uniformly mixing the filtrate B and the extracting solution A to obtain a mixed extracting solution 1;
c. mixing Glycyrrhrizae radix, radix Stemonae, caulis Hederae sinensis, folium Magnolia officinalis and caulis et folium Lactucae Sativae, pulverizing to 30-40 mesh, adding 12 times of 60% ethanol, reflux extracting at 65 deg.C for 45min, filtering to obtain filtrate C and residue C, and recovering methanol from filtrate C under reduced pressure to obtain mixed extractive solution 2;
d. uniformly stirring and mixing the mixed extract 1 and the mixed extract 2 with tea saponin and epoxidized soybean oil, and diluting by 650 times to obtain a nutrient solution A; mixing the residue B and the residue C, and drying at 50-60 deg.C until the water content is less than 10% to obtain mixed residue.
The pine needle mixture is prepared by mixing pine needles and mixed dregs obtained after the nutrient solution A is prepared according to the mass ratio of 7: 1, and the covering thickness is 10-12 cm.
The nutrient solution B is formed by mixing 1.2kg of sucrose, 0.6kg of konjac flour, 1.2kg of peptone, 0.012kg of composite microbial inoculum and 1100kg of water in parts by weight.
The composite microbial inoculum is a liquid microbial inoculum, which contains streptomycete and rhodopseudomonas palustris, wherein the viable count of the streptomycete is 3-4 multiplied by 106cfu/ml, the number of viable bacteria of Rhodopseudomonas palustris is 1-2 × 104cfu/ml。
The foliar fertilizer is prepared by mixing 8.5kg of monopotassium phosphate, 2.5kg of calcium superphosphate, 5kg of magnesium nitrate, 0.45kg of alkyl glycoside, 1.2kg of konjac glucomannan and 1400kg of water in parts by weight.
Example 3
A konjak planting method by covering pine needles on konjak compartment surfaces comprises the following steps:
(1) land preparation and carriage lifting: selecting a plot with fertile soil, convenient irrigation and drainage, loose soil and semi-yin and semi-yang as a planting field, and ditching and raising after deep ploughing and harrowing, wherein the width of a compartment surface is 1.2-1.5m, the height of the compartment is 25-30cm, and the width of the ditch is 60-70 cm;
(2) sowing: ditching and sowing on the compartment surface according to 4 rows in one compartment, wherein the row spacing of the plants is 30-35cm, and covering a layer of fine soil with the thickness of 5-7cm after sowing;
(3) covering and weeding: immediately covering a layer of pine needle mixture after spraying the nutrient solution A on the sowed compartment surface;
(4) and (3) water and fertilizer management: after the konjak seedlings grow, spraying nutrient solution B on the surface of the pine needle mixture, wherein the spraying amount is enough to wet half of the thickness of the pine needles; and spraying a foliar fertilizer to the konjak seedlings about one week after the culture solution B is sprayed.
The nutrient solution A is prepared from the following raw materials in parts by weight: 6kg of creeping wheatgrass, 10kg of plantain herb, 4kg of marigold, 2kg of walnut leaves, 6kg of tea leaves, 10kg of sorghum roots, 8kg of wheat glume, 4kg of liquorice, 2kg of radix stemonae, 8kg of ivy, 0.4kg of tea saponin, 8kg of mangnolia officinalis leaves, 6kg of lettuce and 0.2kg of epoxidized soybean oil.
The preparation method of the nutrient solution A comprises the following steps:
a. mixing and crushing creeping wheatgrass, plantain herb, marigold, walnut leaves, tea leaves, sorghum roots and wheat glume to 30-40 meshes, adding 10 times of 80% methanol for leaching for 6 hours, filtering to obtain a filtrate A and a filter residue A, and recovering the methanol in the filtrate A under reduced pressure to obtain an extracting solution A;
b. adding 15 times of water into the filter residue A, decocting for 4h, and filtering to obtain a filtrate B and a filter residue B; uniformly mixing the filtrate B and the extracting solution A to obtain a mixed extracting solution 1;
c. mixing Glycyrrhrizae radix, radix Stemonae, caulis Hederae sinensis, folium Magnolia officinalis and caulis et folium Lactucae Sativae, pulverizing to 30-40 mesh, adding 12 times of 60% ethanol, reflux extracting at 70 deg.C for 40min, filtering to obtain filtrate C and residue C, and recovering methanol from filtrate C under reduced pressure to obtain mixed extractive solution 2;
d. uniformly stirring and mixing the mixed extract 1 and the mixed extract 2 with tea saponin and epoxidized soybean oil, and diluting by 700 times to obtain a nutrient solution A; mixing the residue B and the residue C, and drying at 50-60 deg.C until the water content is less than 10% to obtain mixed residue.
The pine needle mixture is prepared by mixing pine needles and mixed dregs obtained after the nutrient solution A is prepared according to the mass ratio of 8: 1, and the covering thickness is 10-12 cm.
The nutrient solution B is formed by mixing 2kg of cane sugar, 1kg of konjak powder, 2kg of peptone, 0.015kg of composite microbial inoculum and 1200kg of water in parts by weight.
The composite microbial inoculum is a liquid microbial inoculum, which contains streptomycete and rhodopseudomonas palustris, wherein the viable count of the streptomycete is 3-4 multiplied by 106cfu/ml, the number of viable bacteria of Rhodopseudomonas palustris is 1-2 × 104cfu/ml。
Preferably, the foliar fertilizer is prepared by mixing 10kg of monopotassium phosphate, 3kg of calcium superphosphate, 6kg of magnesium nitrate, 0.5kg of alkyl glycoside, 2kg of konjac glucomannan and 1500kg of water in parts by weight.
Comparative example 1
Comparative example 1 differs from example 1 in that the pine needle mixture was not treated with nutrient solution a prior to coating.
Comparative example 2
Comparative example 2 differs from example 1 in that the pine needle mixture is not treated with nutrient solution B after coating.
Comparative example 3
Patent application No. CN201811341786.8 discloses a covering weeding konjak planting method.
The effects of the examples 1 to 3 and the comparative examples 1 to 3 were counted, as shown in Table 1:
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 (7)
1. A konjak planting method by covering pine needles on konjak compartment surfaces is characterized by comprising the following steps:
(1) land preparation and carriage lifting: selecting a plot with fertile soil, convenient irrigation and drainage, loose soil and semi-yin and semi-yang as a planting field, and ditching and raising after deep ploughing and harrowing, wherein the width of a compartment surface is 1.2-1.5m, the height of the compartment is 25-30cm, and the width of the ditch is 60-70 cm;
(2) sowing: ditching and sowing on the compartment surface according to 4 rows in one compartment, wherein the row spacing of the plants is 30-35cm, and covering a layer of fine soil with the thickness of 5-7cm after sowing;
(3) covering and weeding: immediately covering a layer of pine needle mixture after spraying the nutrient solution A on the sowed compartment surface;
(4) and (3) water and fertilizer management: after the konjak seedlings grow, spraying nutrient solution B on the surface of the pine needle mixture, wherein the spraying amount is enough to wet half of the thickness of the pine needle mixture; and spraying a foliar fertilizer to the konjak seedlings about one week after the culture solution B is sprayed.
2. The planting method of konjak covering the compartment surface with the pine needles as claimed in claim 1, wherein the nutrient solution A is prepared from the following raw materials in parts by weight: 4-6 parts of creeping wheatgrass, 8-10 parts of plantain herb, 3-4 parts of marigold, 1-2 parts of walnut leaves, 4-6 parts of tea leaves, 8-10 parts of sorghum roots, 6-8 parts of wheat glume, 3-4 parts of liquorice, 1-2 parts of radix stemonae, 6-8 parts of ivy, 0.3-0.4 part of tea saponin, 6-8 parts of mangnolia officinalis leaves, 4-6 parts of lettuce and 0.1-0.2 part of epoxidized soybean oil.
3. The planting method of konjak covering the compartment surface with the pine needles as claimed in claim 2, wherein the preparation method of the nutrient solution A comprises the following steps:
a. mixing and crushing creeping wheatgrass, plantain herb, marigold, walnut leaves, tea leaves, sorghum roots and wheat glume to 30-40 meshes, adding 10 times of 80% methanol for leaching for 5-6h, filtering to obtain filtrate A and filter residue A, and recovering the methanol in the filtrate A under reduced pressure to obtain extract A;
b. adding 15 times of water into the filter residue A, decocting for 3-4h, and filtering to obtain filtrate B and filter residue B; uniformly mixing the filtrate B and the extracting solution A to obtain a mixed extracting solution 1;
c. mixing Glycyrrhrizae radix, radix Stemonae, caulis Hederae sinensis, folium Magnolia officinalis and caulis et folium Lactucae Sativae, pulverizing to 30-40 mesh, adding 12 times of 60% ethanol, reflux-extracting at 60-70 deg.C for 40-45min, filtering to obtain filtrate C and residue C, and recovering methanol from filtrate C under reduced pressure to obtain mixed extractive solution 2;
d. uniformly stirring and mixing the mixed extracting solution 1 and the mixed extracting solution 2 with the tea saponin and the epoxy soybean oil, and diluting by 600 times and 700 times to obtain a nutrient solution A; mixing the residue B and the residue C, and drying at 50-60 deg.C until the water content is less than 10% to obtain mixed residue.
4. The planting method of konjak covering the konjak compartment surface with the pine needles as claimed in claim 1 or 3, wherein the pine needle mixture is prepared by mixing the pine needles and the mixed dregs of the nutrient solution A in a mass ratio of 6-8: 1, and the covering thickness is 10-12 cm.
5. The method for planting konjak covering the compartment surface with the pine needles as claimed in claim 1, wherein the nutrient solution B is prepared by mixing 1-2 parts by weight of sucrose, 0.5-1 part by weight of konjak flour, 1-2 parts by weight of peptone, 0.01-0.015 part by weight of complex microbial inoculum and 1000-.
6. The planting method of konjak covering the compartment surface with the pine needles as claimed in claim 5, wherein the composite microbial agent is a liquid microbial agent containing streptomyces and rhodopseudomonas palustris, and the viable count of the streptomyces is 3-4 x 106cfu/ml, the number of viable bacteria of Rhodopseudomonas palustris is 1-2 × 104cfu/ml。
7. The method for planting konjak leaves covering the compartment surfaces of konjak as claimed in claim 1, wherein the foliar fertilizer is prepared by mixing 8-10 parts by weight of monopotassium phosphate, 2-3 parts by weight of calcium superphosphate, 4-6 parts by weight of magnesium nitrate, 0.4-0.5 part by weight of alkyl glycoside, 1-2 parts by weight of konjak glucomannan and 1200-1500 parts by weight of water.
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| CN201910939634.6A CN110651680A (en) | 2019-09-29 | 2019-09-29 | Konjac planting method for weeding by covering pine needles on konjac compartment surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114586628A (en) * | 2022-04-08 | 2022-06-07 | 大姚县农业技术推广中心 | Green high-yield cultivation method for lily |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114586628A (en) * | 2022-04-08 | 2022-06-07 | 大姚县农业技术推广中心 | Green high-yield cultivation method for lily |
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