CN104798658A - Seedling cultivation and forestation method for rare tree species tectona grandis L.f. in rocky desert area - Google Patents
Seedling cultivation and forestation method for rare tree species tectona grandis L.f. in rocky desert area Download PDFInfo
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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Abstract
The invention discloses a seedling cultivation and forestation method for rare tree species tectona grandis L.f. in a rocky desert area. The method is characterized by comprising the procedures of strong seedling cultivation, careful land preparation, seedling planting and management after planting, wherein strong seedlings are formed by performing container seedling cultivation on tectona grandis L.f. seeds, then a land is carefully prepared, the seedlings are planted when soil is wet after rain in February to March, and fertilizer and water management and pest prevention and control are required to be ensured after planting. According to the forestation method, the one-time forestation survival rate of tectona grandis L.f. in a karst rocky desert area is increased from 80 percent to over 95 percent, tectona grandis L.f. can be forested at one time without replanting, the forestation efficiency is improved, the vegetation recovery process of the karst rocky desert area is accelerated, the economic incomes of people in the karst rocky desert area are increased, and remarkable economic benefits, social benefits and ecological benefits are created.
Description
Technical field
The invention belongs to forestry technical field of cultivation, especially relate to the breeding and afforestation method of a kind of Rocky Desertification Region rare tree teak.
Background technology
Teak (
tectona grandisl.f.) have another name called: Arnotto, bavin teak, belong to Verenaceae Tectona fallen leaves or megaphanerophyte of partly falling leaves, the height of tree can reach 40 ~ 50 m, the diameter of a cross-section of a tree trunk 1.3 meters above the ground 2 ~ 3 m.Natural distributed is in tropic countries or areas such as India, Burma, Laos and Northern Thailands.Because its wood property is excellent and well-known, be described as most important tropical commerical tree species in the world, enjoy the laudatory title of " kings of ten thousand wood ", be more regarded as " national treasure " in Burma, Indonesia.Promote as forest plantation cultivation in torrid areas from teak in 1850, its forest plantation cultivation scope expands rapidly the countries and regions, more than 50, the world such as Africa, America and Oceania to, and forest plantation area under cultivation reaches 571.7 × 10
4hm
2account for 3.1 % of world's forest plantation area, after occupying pine tree (20 %), eucalyptus (10 %), rubber (5.3 %), yearning between lovers (4 %), having become the afforestation commerical tree species that in the Precious Timber Species of torrid areas, cultivated area is maximum, the unit are output value is the highest, is one of current Tropical China, the Precious Timber Species of South Subtropical Area of China most development prospect.
Present society mostly adopts plastic containers seedling and the exposed root and shoot forestation of teak, when bareroot seedling is owing to going out garden, root system damage is serious, and add that the afforestation technology that the masses grasp is more extensive, usual survival rate is about 80%, and survival rate is lower.And plastic containers seedling uses the seedling medium such as yellow soil, pool mud mostly, the teak shoot root system cultivated is flourishing not, the weight of matrix is large, container must be removed during afforestation, easily cause mass of soil broken, the labour intensity that Karst Mountains Desertification Area is afforested is large, and afforestation efficiency is low, survival rate is not high, and a large amount of plastic film bags is discarded on mountain, has negative effect to ecotope.Teak is exotic tree species, its afforestation technology constantly explore and perfect, existing afforestation technique be not exclusively adapted at Rocky Desertification Region application.For this reason, Guangxi Forest Scientific Research Academy scientific and technical personnel are by implementing Eleventh Five-Year Plan State Administration of Forestry science and technology item " Guangxi Karst Region choice of tree species and cultivation mode are studied and demonstration ", the continuous exploration of " 12 " Guangxi forestry science and technology project " Southwest Guangxi Rocky Desertification Control choice of tree species and composite cultivation research " and the state revenue forestry popularization demonstration capital items Solution of Karsts Stony Desertification afforestation technology brainstorm projects such as " Guangxi Karst Region fine tree species and Efficient Cultivation pattern thereof are promoted and demonstrated " in 2013 and improvement, tentatively sum up the breeding and afforestation new method of the rare tree teak that a kind of applicable Karst Desertification area is applied.Stony desertification causes severe water and soil erosion, and natural calamity takes place frequently, threatening area ecological safety, is the source of karst disaster and poverty.China's stony desertification mainly occurs in centered by the Yunnan-Guizhou Plateau, and administrative scope relates to Guizhou Province, Yunnan, osmanthus, Hunan, Hubei Province, Chongqing, river and Yue Ba province (district, city) 463 counties, and the stony desertification soil gross area is 1200.2 ten thousand hm
2.Carry forward vigorously Rocky Desertification Control in current Southwestern China area and accelerate Ecological Civilization Construction under the new situation, innovate a kind of teak afforestation technique method, promote the afforestation technique of current Karst Desertification area rare tree teak, to quickening Rocky Desertification Control, promote Rocky Desertification Region quick recovering vegetation, improve the ecological environment, improve Mountainous Area masses' income, ensure that the Rocky Desertification Region sustainable development of socio-economy has very important strategic importance and realistic meaning.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, provide a kind of environmental protection, easy and simple to handle, improve teak survival rate, save cost of forestation, alleviate labour intensity, improve afforestation efficiency, accelerate the breeding and afforestation method of the Rocky Desertification Region rare tree teak of Karst Desertification area revegetation process.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
The nursery of Rocky Desertification Region rare tree teak and a method of forestation, carry out cultivating healthy and strong container seedling to teak seed, carefully plants during ground moistening after the rain in 2 ~ March wholely, carries out rich water quality management and the extermination of disease and insect pest after plantation; Concrete operation step is as follows:
(1) strong seedling cultivation:
1. seed treatment: select full teak seed in 3 ~ April, soaks seed 18 ~ 20h with the clear water of 40 ~ 48 DEG C, makes its abundant imbibition, then pull seed out from clear water, drain the water;
2. husky bed heavy seeding: broadcast sowing on the husky bed through routine disinfection by intensive for the teak seed after draining the water;
3. selection of container: select degradable non-woven fabrics Seedling bag as container for plant growth;
4. substrate preparation: with yellow mud and through processed conventionally coconut palm chaff mixed preparing matrix by a certain percentage, and load in container for plant growth, container for plant growth is put into furrow;
5. sprigging: after seedling grows 1 ~ 2 pair of true leaf, taken out by seedling from husky bed, carries out cutting root process, will cut the sprigging after root in the container for plant growth that matrix is housed;
6. seedling management: drench sufficient normal root water after sprigging, put up Small plastic shed with the sunshade net that obscurity is 70 ~ 80 % to shade, strengthen fertilising and trickle, promote that nursery stock well grows, as high 35 more than the cm of seedling growth, leading thread 0.6 more than cm, obtain out the teak seedling of garden afforestation;
(2) careful wholely: select in thicker soil, descending be planting site, local is adopted to dig pit wholely, weeds first around the clean plantation hole of shovel within the scope of 1 ㎡, and weeds are concentrated to be placed on plantation hole other for subsequent use, plantation hole specification is 40cm × 40cm × 30cm, put 400g fused calcium magnesium phosphate in each plantation hole and make base manure, and mix thoroughly back with table soil and cheat.
(3) seedling growth:
1. planting density: per hectare plantation 1200 ~ 1650 strain teak seedlings;
2. implantation time: plant during ground moistening after 2 ~ March rain;
3. precision farming: teak seedling is uprightly put into plantation hole, in plantation hole, insert hack and tread, then backfilling one deck again in teak seedling surrounding and loosen the soil, earthing 3 cms higher than primitive root border, finally cover weeds, and cover stone water conservation soil conservation at teak seedling direction of fall;
(4) management after plantation: mainly carry out weeding and fertilising is fostered, carries out water management according to a conventional method and carries out the control of damage by disease and insect according to a conventional method.
Husky bed heavy seeding described in above step (1) is sown on conventional husky bed by evenly intensive for the teak seed after draining the water, during sowing, and every 1m
2sow 800 g teak seeds, then cover the thick river sand of one deck 0.5 cm.
The specification of the non-woven fabrics Seedling bag described in above step (1) is 10 cm × 12 cm.
Matrix described in above step (1) is that 3 ~ 7:7 ~ 3 are formulated by volume with yellow mud and coconut palm chaff.
The root process of cutting that seedling described in above step (1) cuts root migration process is levered up gently by teak seedling from husky bed with small bamboo spike, takes out, and then cuts off seedling main root, and retaining main root length is 4 ~ 5 cm.
Fertilising in seedling management described in above step (1) drenches to execute the conventional composite fertilizer's aqueous solution of nursery stock, and the mass concentration of drenching the composite fertilizer's aqueous solution executed for the first time is 0.3 %; Drench every two weeks and execute 1 time, the mass concentration of drenching the composite fertilizer's aqueous solution executed subsequently is increased to 1.5 % gradually, until teak seedling goes out garden afforestation.
The weeding that plantation described in above step (4) manages afterwards and fertilising, the weeding in the 1st year after plantation, apply fertilizer each 2 times, applies fertilizer after first weeding, and first time, urea 50 g was discharged in every strain, and composite fertilizer 100 g is discharged in the every strain of second time; Plant spring of the 2nd year and each weeding in autumn 1 time, loosen the soil spring and apply fertilizer 1 time, every strain sealing fertilizer 300 g; Plant the weeding in spring of the 3rd year and fertilising 1 time of loosening the soil, every strain sealing fertilizer 400 g; Each fertilising opens ditch at the periphery in plantation hole or dig vesicle to be applied and blinding by fertilizer.
Compared to prior art, the advantage that the present invention has and beneficial effect as follows:
1, seedling-cultivating method of the present invention is the once breakthrough of teak seedling growing process, seedling medium is formulated according to teak physiological property, and draw materials conveniently, be easy to preparation, easy and simple to handle, consumptive material is few, cost is low, quality is light, alleviate labour intensity, improve afforestation efficiency.
2, the material of the container for plant growth that the present invention is used is degradable non-woven fabrics, can remove divesting container for plant growth during afforestation from, time saving and energy saving, and is beneficial to the good ecotope of protection.
3, method of forestation of the present invention makes teak bring up to 95 more than % in the survival rate in Karst Desertification area from 80 %, once afforest successfully without the need to after-culture, improve afforestation efficiency, accelerate Karst Desertification area revegetation process, improve farmers' income, produce significant economic benefit, social benefit and ecological benefits.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1:
Put into mortar in March, 2006 by real for the kind of teak, smash while stir, mash pericarp, note not injuring kind of a core, obtain clean kind after removal of contamination, select full teak seed, soak seed 18 h with the clear water of 48 DEG C, make its abundant imbibition, then pull seed out from clear water, drain the water.Broadcast sowing on the husky bed through routine disinfection by evenly intensive for the teak seed after draining the water, during sowing, every 1m
2sow 800 g teak seeds, then cover the thick river sand of one deck 0.5 cm.Select degradable, specification is that the non-woven fabrics Seedling bag of 10 cm × 12 cm is as container for plant growth.With yellow mud with through processed conventionally coconut palm chaff be 7:3 mixed preparing matrix by volume, and loading in container for plant growth, container for plant growth is put into furrow, and surrounding is real with fine earth training, in order to preserve moisture and fertility, transplanting mass concentration the previous day is the disinfecting solution of potassium permanganate of 0.5 %.
After seedling grows 1 ~ 2 pair of true leaf, taken out by seedling from husky bed, carry out cutting root process, namely levered up gently by teak seedling from husky bed with small bamboo spike, take out, then cut off seedling main root, retaining main root length is 4 ~ 5 cm.To the sprigging after root be cut in the container for plant growth that matrix is housed, in Seedling bag, an aperture is dug with small bamboo spike when planting, seedlings root is put into hole, compacting periphery Nutrition Soil gently, normal root water is irrigated after transplanting, put up Small plastic shed with the sunshade net that obscurity is 70 % to shade, after 10 days, open sunshade net, after 15 days, start fertilising; Fertilising adopts composite fertilizer's aqueous solution that nursery stock is conventional, and the mass concentration of drenching the composite fertilizer's aqueous solution executed for the first time is 0.3 %; Drench every two weeks and execute 1 time, the mass concentration of drenching the composite fertilizer's aqueous solution executed subsequently is increased to 1.5 % gradually, starts November to stop applying fertilizer and controls moisture supply, carrying out hardening, make seedling lignification gradually.The teak seedling of high 35 more than the cm of selection nursery stock, leading thread 0.6 more than cm goes out garden afforestation.
Select in thicker soil, descending, moderate stony desertification soil be planting site, local is adopted to dig pit wholely, weeds first around the clean plantation hole of shovel within the scope of 1 ㎡, and weeds are concentrated to be placed on plantation hole other for subsequent use, plantation hole specification is 40cm × 40cm × 30cm, put 400g fused calcium magnesium phosphate in each plantation hole and make base manure, and mix thoroughly back with table soil and cheat.
Plant during ground moistening after in February, 2007 rain, per hectare plants 1200 strain teak seedlings.Teak seedling is uprightly put into plantation hole, in plantation hole, insert hack and tread, then backfill one deck again in teak seedling surrounding and loosen the soil, earthing 3 cms higher than primitive root border, finally cover weeds, and cover stone water conservation soil conservation at teak seedling direction of fall.
Weeding in the 1st year after plantation, to apply fertilizer each 2 times, apply fertilizer after first weeding, first time, urea 50 g was discharged in every strain, and composite fertilizer 100 g is discharged in the every strain of second time; Plant spring of the 2nd year and each weeding in autumn 1 time, loosen the soil spring and apply fertilizer 1 time, every strain sealing fertilizer 300 g; Plant the weeding in spring of the 3rd year and fertilising 1 time of loosening the soil, every strain sealing fertilizer 400 g; Each fertilising opens ditch at the periphery in plantation hole or dig vesicle to be applied by fertilizer and blinding, mainly carries out weeding and fertilising is fostered, and carry out water management according to a conventional method and carry out the control of damage by disease and insect according to a conventional method.Measure mean stand height 8.8m when afforestation checks that survival rate 95.2%, 7 years is raw then, mean DBH increment 8.5cm, grow closing and form excellent teak standing forest.
Embodiment 2:
Put into mortar in April, 2012 by real for the kind of teak, smash while stir, mash pericarp, note not injuring kind of a core, obtain clean kind after removal of contamination, select full teak seed, soak seed 18 h with the clear water of 45 DEG C, make its abundant imbibition, then pull seed out from clear water, drain the water.Broadcast sowing on the husky bed through routine disinfection by evenly intensive for the teak seed after draining the water, during sowing, every 1m
2sow 800 g teak seeds, then cover the thick river sand of one deck 0.5 cm.Select degradable, specification is that the non-woven fabrics Seedling bag of 10 cm × 12 cm is as container for plant growth.With yellow mud with through processed conventionally coconut palm chaff be 5:5 mixed preparing matrix by volume, and loading in container for plant growth, container for plant growth is put into furrow, and surrounding is real with fine earth training, in order to preserve moisture and fertility, transplanting mass concentration the previous day is the disinfecting solution of potassium permanganate of 0.5 %.
After seedling grows 1 ~ 2 pair of true leaf, levered up gently by teak seedling with small bamboo spike from husky bed, take out, then cut off seedling main root, retaining main root length is 4 ~ 5 cm.To the sprigging after root be cut in the container for plant growth that matrix is housed, in Seedling bag, an aperture is dug with small bamboo spike when planting, seedlings root is put into hole, compacting periphery Nutrition Soil gently, normal root water is irrigated after transplanting, put up Small plastic shed with the sunshade net that obscurity is 75 % to shade, after 10 days, open sunshade net, after 15 days, start fertilising; Fertilising adopts composite fertilizer's aqueous solution that nursery stock is conventional, and the mass concentration of drenching the composite fertilizer's aqueous solution executed for the first time is 0.3 %; Drench every two weeks and execute 1 time, the mass concentration of drenching the composite fertilizer's aqueous solution executed subsequently is increased to 1.5 % gradually, starts December to stop applying fertilizer and controls moisture supply, carrying out hardening, make seedling lignification gradually.The teak seedling of high 35 more than the cm of selection nursery stock, leading thread 0.6 more than cm goes out garden afforestation.
Select in thicker soil, descending, moderate stony desertification soil be planting site, local is adopted to dig pit wholely, weeds first around the clean plantation hole of shovel within the scope of 1 ㎡, and weeds are concentrated to be placed on plantation hole other for subsequent use, plantation hole specification is 40cm × 40cm × 30cm, put 400g fused calcium magnesium phosphate in each plantation hole and make base manure, and mix thoroughly back with table soil and cheat.
Plant during ground moistening after in March, 2013 rain, per hectare plants 1450 strain teak seedlings.Teak seedling is uprightly put into plantation hole, in plantation hole, insert hack and tread, then backfill one deck again in teak seedling surrounding and loosen the soil, earthing 3 cms higher than primitive root border, finally cover weeds, and cover stone water conservation soil conservation at teak seedling direction of fall.
Weeding in the 1st year after plantation, to apply fertilizer each 2 times, apply fertilizer after first weeding, first time, urea 50 g was discharged in every strain, and composite fertilizer 100 g is discharged in the every strain of second time; Plant spring of the 2nd year and each weeding in autumn 1 time, loosen the soil spring and apply fertilizer 1 time, every strain sealing fertilizer 300 g; Plant the weeding in spring of the 3rd year and fertilising 1 time of loosening the soil, every strain sealing fertilizer 400 g; Each fertilising opens ditch at the periphery in plantation hole or dig vesicle to be applied by fertilizer and blinding, mainly carries out weeding and fertilising is fostered, and carry out water management according to a conventional method and carry out the control of damage by disease and insect according to a conventional method.When afforestation checks that survival rate 96.7%, 2 years is raw then, mean stand height reaches 2.5m, and mean DBH increment reaches 2.2cm, begins to take shape excellent teak standing forest.
Embodiment 3:
Within 2013, put into mortar in April by real for the kind of teak, smash while stir, mash pericarp, note not injuring kind of a core, obtain clean kind after removal of contamination, select full teak seed, soak seed 20 h with the clear water of 40 DEG C, make its abundant imbibition, then pull seed out from clear water, drain the water.Broadcast sowing on the husky bed through routine disinfection by evenly intensive for the teak seed after draining the water, during sowing, every 1m
2sow 800 g teak seeds, then cover the thick river sand of one deck 0.5 cm.Select degradable, specification is that the non-woven fabrics Seedling bag of 10 cm × 12 cm is as container for plant growth.With yellow mud with through processed conventionally coconut palm chaff be 3:7 mixed preparing matrix by volume, and loading in container for plant growth, container for plant growth is put into furrow, and surrounding is real with fine earth training, in order to preserve moisture and fertility, transplanting mass concentration the previous day is the disinfecting solution of potassium permanganate of 0.5 %.
After seedling grows 1 ~ 2 pair of true leaf, levered up gently by teak seedling with small bamboo spike from husky bed, take out, then cut off seedling main root, retaining main root length is 4 ~ 5 cm.To the sprigging after root be cut in the container for plant growth that matrix is housed, in Seedling bag, an aperture is dug with small bamboo spike when planting, seedlings root is put into hole, compacting periphery Nutrition Soil gently, normal root water is irrigated after transplanting, put up Small plastic shed with the sunshade net that obscurity is 80 % to shade, after 10 days, open sunshade net, after 15 days, start fertilising; Fertilising adopts composite fertilizer's aqueous solution that nursery stock is conventional, and the mass concentration of drenching the composite fertilizer's aqueous solution executed for the first time is 0.3 %; Drench every two weeks and execute 1 time, the mass concentration of drenching the composite fertilizer's aqueous solution executed subsequently is increased to 1.5 % gradually, starts December to stop applying fertilizer and controls moisture supply, carrying out hardening, make seedling lignification gradually.The teak seedling of high 35 more than the cm of selection nursery stock, leading thread 0.6 more than cm goes out garden afforestation.
Select in thicker soil, descending, moderate stony desertification soil be planting site, local is adopted to dig pit wholely, weeds first around the clean plantation hole of shovel within the scope of 1 ㎡, and weeds are concentrated to be placed on plantation hole other for subsequent use, plantation hole specification is 40cm × 40cm × 30cm, put 400g fused calcium magnesium phosphate in each plantation hole and make base manure, and mix thoroughly back with table soil and cheat.
Plant during ground moistening after in March, 2014 rain, per hectare plants 1650 strain teak seedlings.Teak seedling is uprightly put into plantation hole, in plantation hole, insert hack and tread, then backfill one deck again in teak seedling surrounding and loosen the soil, earthing 3 cms higher than primitive root border, finally cover weeds, and cover stone water conservation soil conservation at teak seedling direction of fall.
Weeding in the 1st year after plantation, to apply fertilizer each 2 times, apply fertilizer after first weeding, first time, urea 50 g was discharged in every strain, and composite fertilizer 100 g is discharged in the every strain of second time; Plant spring of the 2nd year and each weeding in autumn 1 time, loosen the soil spring and apply fertilizer 1 time, every strain sealing fertilizer 300 g; Plant the weeding in spring of the 3rd year and fertilising 1 time of loosening the soil, every strain sealing fertilizer 400 g; Each fertilising opens ditch at the periphery in plantation hole or dig vesicle to be applied by fertilizer and blinding, mainly carries out weeding and fertilising is fostered, and carry out water management according to a conventional method and carry out the control of damage by disease and insect according to a conventional method.Afforestation checks survival rate 97.1% then, and raw mean stand height reaches 0.8m then, and average leading thread reaches 1.5cm, and growth of young plantations is good.
Claims (7)
1. a breeding and afforestation method for Rocky Desertification Region rare tree teak, is characterized in that: carry out cultivating healthy and strong container seedling to teak seed, carefully plants during ground moistening after the rain in 2 ~ March wholely, carries out rich water quality management and the extermination of disease and insect pest after plantation; Concrete operation step is as follows:
(1) strong seedling cultivation:
1. seed treatment: select full teak seed in 3 ~ April, soaks seed 18 ~ 20h with the clear water of 40 ~ 48 DEG C, makes its abundant imbibition, then pull seed out from clear water, drain the water;
2. husky bed heavy seeding: broadcast sowing on the husky bed through routine disinfection by intensive for the teak seed after draining the water;
3. selection of container: select degradable non-woven fabrics Seedling bag as container for plant growth;
4. substrate preparation: with yellow mud and through processed conventionally coconut palm chaff mixed preparing matrix by a certain percentage, and load in container for plant growth, container for plant growth is put into furrow;
5. sprigging: after seedling grows 1 ~ 2 pair of true leaf, taken out by seedling from husky bed, carries out cutting root process, will cut the sprigging after root in the container for plant growth that matrix is housed;
6. seedling management: drench sufficient normal root water after sprigging, put up Small plastic shed with the sunshade net that obscurity is 70 ~ 80 % to shade, strengthen fertilising and trickle, promote that nursery stock well grows, as high 35 more than the cm of seedling growth, leading thread 0.6 more than cm, obtain out the teak seedling of garden afforestation;
(2) careful wholely: select in thicker soil, descending be planting site, local is adopted to dig pit wholely, weeds first around the clean plantation hole of shovel within the scope of 1 ㎡, and weeds are concentrated to be placed on plantation hole other for subsequent use, plantation hole specification is 40cm × 40cm × 30cm, put 400g fused calcium magnesium phosphate in each plantation hole and make base manure, and mix thoroughly back with table soil and cheat;
(3) seedling growth:
1. planting density: per hectare plantation 1200 ~ 1650 strain teak seedlings;
2. implantation time: plant during ground moistening after 2 ~ March rain;
3. precision farming: teak seedling is uprightly put into plantation hole, in plantation hole, insert hack and tread, then backfilling one deck again in teak seedling surrounding and loosen the soil, earthing 3 cms higher than primitive root border, finally cover weeds, and cover stone water conservation soil conservation at teak seedling direction of fall;
(4) management after plantation: mainly carry out weeding and fertilising is fostered, carries out water management according to a conventional method and carries out the control of damage by disease and insect according to a conventional method.
2. the breeding and afforestation method of Rocky Desertification Region according to claim 1 rare tree teak, is characterized in that: the husky bed heavy seeding described in step (1) is sown on conventional husky bed by evenly intensive for the teak seed after draining the water, during sowing, and every 1m
2sow 800 g teak seeds, then cover the thick river sand of one deck 0.5 cm.
3. the breeding and afforestation method of Rocky Desertification Region according to claim 1 rare tree teak, is characterized in that: the specification of the non-woven fabrics Seedling bag described in step (1) is 10 cm × 12 cm.
4. the breeding and afforestation method of Rocky Desertification Region according to claim 1 rare tree teak, is characterized in that: the matrix described in step (1) is that 3 ~ 7:7 ~ 3 are formulated by volume with yellow mud and coconut palm chaff.
5. the breeding and afforestation method of Rocky Desertification Region according to claim 1 rare tree teak, it is characterized in that: the root process of cutting that the seedling described in step (1) cuts root migration process is levered up gently by teak seedling from husky bed with small bamboo spike, take out, then cut off seedling main root, retaining main root length is 4 ~ 5 cm.
6. the breeding and afforestation method of Rocky Desertification Region according to claim 1 rare tree teak, it is characterized in that: the fertilising in the seedling management described in step (1) drenches to execute the conventional composite fertilizer's aqueous solution of nursery stock, and the mass concentration of drenching the composite fertilizer's aqueous solution executed for the first time is 0.3 %; Drench every two weeks and execute 1 time, the mass concentration of drenching the composite fertilizer's aqueous solution executed subsequently is increased to 1.5 % gradually, until teak seedling goes out garden afforestation.
7. the breeding and afforestation method of Rocky Desertification Region according to claim 1 rare tree teak, it is characterized in that: the weeding that the plantation described in step (4) manages afterwards and fertilising, weeding in the 1st year after plantation, to apply fertilizer each 2 times, apply fertilizer after first weeding, first time, urea 50 g was discharged in every strain, and composite fertilizer 100 g is discharged in the every strain of second time; Plant spring of the 2nd year and each weeding in autumn 1 time, loosen the soil spring and apply fertilizer 1 time, every strain sealing fertilizer 300 g; Plant the weeding in spring of the 3rd year and fertilising 1 time of loosening the soil, every strain sealing fertilizer 400 g; Each fertilising opens ditch at the periphery in plantation hole or dig vesicle to be applied and blinding by fertilizer.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106171784A (en) * | 2016-07-29 | 2016-12-07 | 广西壮族自治区林业科学研究院 | A kind of mulch film is utilized to carry out the method that Tectona grandis L. F. undercut does afforestation |
| CN107912204A (en) * | 2017-11-17 | 2018-04-17 | 中国林业科学研究院热带林业实验中心 | A kind of seedling treatment method for improving teak plantation survival rate |
| CN108450222A (en) * | 2018-03-26 | 2018-08-28 | 广西壮族自治区林业科学研究院 | A method of improving Alnus formosana Plantation Afforestation Quality |
| CN110178620A (en) * | 2019-04-19 | 2019-08-30 | 安徽泓森高科林业股份有限公司 | A kind of Rocky Desertification Region locust tree water retention cultivating method |
| CN115843661A (en) * | 2022-12-16 | 2023-03-28 | 贵州师范学院 | Method for improving severe stony desertification moisture condition by using humulus scandens and coconut coir soil |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106171784A (en) * | 2016-07-29 | 2016-12-07 | 广西壮族自治区林业科学研究院 | A kind of mulch film is utilized to carry out the method that Tectona grandis L. F. undercut does afforestation |
| CN107912204A (en) * | 2017-11-17 | 2018-04-17 | 中国林业科学研究院热带林业实验中心 | A kind of seedling treatment method for improving teak plantation survival rate |
| CN108450222A (en) * | 2018-03-26 | 2018-08-28 | 广西壮族自治区林业科学研究院 | A method of improving Alnus formosana Plantation Afforestation Quality |
| CN110178620A (en) * | 2019-04-19 | 2019-08-30 | 安徽泓森高科林业股份有限公司 | A kind of Rocky Desertification Region locust tree water retention cultivating method |
| CN115843661A (en) * | 2022-12-16 | 2023-03-28 | 贵州师范学院 | Method for improving severe stony desertification moisture condition by using humulus scandens and coconut coir soil |
| CN115843661B (en) * | 2022-12-16 | 2024-06-07 | 贵州师范学院 | Method for improving severe stony desertification moisture condition by utilizing humulus scandens and cocoanut soil |
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