CN102835243A - Sonneratia apetala seedling cultivation and forestation method - Google Patents
Sonneratia apetala seedling cultivation and forestation method Download PDFInfo
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- CN102835243A CN102835243A CN2012103634423A CN201210363442A CN102835243A CN 102835243 A CN102835243 A CN 102835243A CN 2012103634423 A CN2012103634423 A CN 2012103634423A CN 201210363442 A CN201210363442 A CN 201210363442A CN 102835243 A CN102835243 A CN 102835243A
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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
Abstract
The invention discloses an efficient sonneratia apetala seedling cultivation and forestation method which is used for solving the problem that the mangrove forest plant sonneratia apetala is low in germination rate and the cultivation problems of seedlings at early stage, so as to achieve the aim of forestation. The method comprises the following steps including seed treatment, seedling cultivation and forestation. The method provided by the invention has the advantage that a two-stage seedling cultivation method is used, namely, at the first stage, seeds are sowed in seedbeds to cultivate small seedlings; and at the second stage, on the basis of the first stage, the small seedlings on the seedbeds are transplanted into nutrition bags to continuously cultivate the small seedlings into big seedlings. Through the two-stage seedling cultivation method, the cultivated nursery stocks are stronger, higher in survival rate, capable of avoiding the defects of bad growth vigor and more plant diseases and insect pests when seedbeds are singly used for seedling cultivation, and capable of avoiding the defect of tedious process when nutrition bags are singly used for seedling cultivation. Through the method, the germination rate can be improved to 95-98% and the survival rate of the seedlings is up to 85%.
Description
Technical field
The present invention relates to seedling breeding technology and the method for forestation of the pagatpat in seed sprouting treatment technology, seedling culture technology and the method for forestation, particularly mangrove of thremmatology.
Background technology
Pagatpat (Soneratia apetala Buch-Ham) is the Sonneratiaceae plant, belongs to arbor species, height of tree 15-20 rice, and dried cylindrical, diameter of a cross-section of a tree trunk 1.3 meters above the ground 25-30 centimetre, the maximum diameter of a cross-section of a tree trunk 1.3 meters above the ground reaches 50-70 centimetre, has bamboo shoot shape respiratory root to stretch out the water surface, stem grey, the light green color during children.Sprig is very thin sagging, and leaf is to life, heavy leather matter, ellipse.Raceme, berry is spherical, seed " V " shape.The pagatpat natural distributed is on the lower shale beach of the salinity on ground such as India, Bangladesh, Sri Lanka.Pagatpat is comparatively responsive to seawater salinity, only is fit to be grown in the shale beach of salinity lower (less than 10 ‰).Seedling phase cold resistance is poor, and the back cold tolerance that grows into forest strengthens.Pagatpat blossomed and beared fruit twice in general 1 year in the original producton location, for the first time in 3-4 month, and 9-10 month fruit maturation; For the second time bloom next year 4-5 month fruit maturation in the 10-12 month.Pagatpat is high megaphanerophyte, and growth is rapid, and well developed root system has bamboo shoot shape respiratory root, is the pionner of naked beach artificial afforestration.Introduce a fine variety pagatpat; Help changing the stand structure of coastal beach, make the unlined forest structure become the polylayer forest structure, for the ecotope that improves coastal beach creates conditions; After pagatpat grows into forest, also can play drive wind disappear wave, the solid bank of bank protection, beautify the effect of seashore (dike, shore).
1985, China forest-science worker Zheng Dezhang, Chen Huanxiong etc. introduced pagatpat from Bangladesh, are planted in Dong Zhaigang mangrove forest nature reserve, Hainan, and the growth performance is good.The northern again ground such as Zhanjiang, Shenzhen, Zhuhai, Shantou and Maoming that cause Guangdong of 1993-2000, the growth performance is also good, all can normally blossom and bear fruit.But introduce a fine variety in the process in above-mentioned area; The outplanting rate of artificial breeding is still lower, and as the introducing a fine variety in the seedling growth test of Zhanjiang, the outplanting rate on average only has 750 strains/kilogram seed (thousand grain weigth 14.41 grams); And all freeze to death 1996 and nursery stock in 1998, major part was freezed to death in 1999.In addition, the storage rate of afforestation is unstable, and difference is big.
Summary of the invention
The purpose of this invention is to provide a kind of pagatpat efficiently and grow seedlings and method of forestation,, reach the afforestation purpose to solve the low existing problem of cultivation with the seedling in early stage of mangrove plant pagatpat germination rate.
Growing seedlings and method of forestation of pagatpat proposed by the invention comprises the steps:
(1), seed treatment: mellow fruit is adopted back, be placed in the clear water and soak, clear water did not have fruit 20-30cm, changed clear water one time in per 3 days, treated to take out behind its pericarp and the pulp softening, removed pericarp, was placed on rinsing taking-up seed in the clear water.With the washed seed gauze bag of packing into, be immersed in the water, place lucifuge shady and cool place storage subsequent use.
Pagatpat fruit of the present invention is a berry, and the maturing stage is the annual 5-6 month and 9-10 month, and behind the fruit maturation, fruit colour becomes canescence by green, and is savory, touches the sensation of sticking hand with hand.
(2), seedling growing process
1. the selection of nursery lot and whole ground
Nursery lot should be selected near the residential block, tidewater can normally rise and mangrove forest open forest land or sea wall inboard, stormy waves is little, salinity is low, has sufficient fresh water to supply with.The high 25-30cm in seedbed, wide 1.0-1.2m, the wide 45-50cm of pavement, the seedbed trend is parallel with water (flow) direction at the incoming tide, the nutrition soil that bed surface shop 5cm is thick.Enclosed around the ground, garden with gauze, killed the worm crab in the ground, clean garden with dichlorvos 1.4-2.0g/L again, just can sow.
2. seeding and seedling raising
Liquor potassic permanganate with 3-5g/L before the sowing carries out disinfection to seed, seedbed.Get the pagatpat seed of stocking, clean with flushing with clean water, hang in the cool and can be seeded on the seedbed after 1-2 days.Seeding method adopts and broadcasts sowing, and seed is wanted evenly, and density is reasonable, all kinds of rots of the excessive easy initiation of density, and the little then emergence rate of density is low.After planting cover the thick nutrition soil of 1.0cm, with plank compacting gently, cover with film more then.
The seedbed is yellow soil 60%, turf ash 20%, does cow dung 18%, fused calcium magnesium phosphate 2%.
3. seedling management
When extra large mulberry seed bud is irritated the seedling furrow to launching cotyledon when becoming seedling, adopt to introduce seawater in various degree: before seedling has 2-3 to open true leaf, drench seedling with fresh water and keep the furrow face moistening, draw seawater simultaneously and soak the seedling furrow; Open true leaf when seedling grows 3-4, mobile jib has the above degree of lignification of 2cm to improve and can introduce seawater every afternoon during well developed root system and soak the furrow face once.When daytime, sunshine was strong, cover, when wind is little, open black net two ends, make it ventilated with black net.Seedling is long need not to cover black net behind 5 true leaves.
Water and fertilizer management: the pagatpat seedling will be executed an amount of liquid manure about 45 days.
When seedling grows 3-4 when opening true leaf, execute that to drench concentration be the Dutch compound rich water of 0.25-0.30%; Seedling is long, and liquid manure concentration can increase to 0.35-0.40% more than the true leaf to 5, executes pouring weekly once, before each trickle fertilizer seawater is reduced to furrow face 20cm, will water fresh water after the pouring.When Huang Yeshi appears in seedling, increase spray foliage fertilizer (the Huang Yeyi spray is green: Linqu, Shandong Feng Nongnongization Co., Ltd produces), spray in 10-15 days is once.Execute liquid manure, the spray foliage fertilizer can not carry out simultaneously, generally be separated by a week.
4. transplant
Seedling grows 6 true leaves on the seedbed, and when height of seedling reached 6-8cm, just portable was in nutritious bag.
If no cloudy canopy is transplanted seedling and should or be carried out at dusk at the cloudy day, avoid high light, high temperature to make seedling dead because of dehydration, cause graft failure.
Nutritious bag of the present invention, specification are 10 * 13cm, and matrix formulations is: red soil (table soil) 40%+ macerates ripe cow dung 20%+ farmyard manure 20%+ thin sand and soil 17%+ superphosphate 3%.
5. go out the qualified seedling in garden
The growth of pagatpat seedling just can go out garden afforestation when the nutritious bag seedling reaches the 40-70cm height rapidly.Select the high seedling afforestation of 40-70cm in conjunction with the height situation of tidal level, normally high short seedling, the low Gao Miao that selects of tidal level of selecting of tidal level.After height of seedling exceeds 70cm since nursery stock to wear root too much, can influence afforest into alive.Before the nursery stock afforestation, the reply nursery stock is compiled seedling again, because in compiling the seedling process, the root of nursery stock might damage, therefore should let nursery stock grow the afforestation of taking away again behind the new root before the afforestation.Through examining, select the living nursery stock survival rate of 1-2 high from afforestation.
6. strengthen the extermination of disease and insect pest and winter protection
The damping off that pagatpat common disease in seedling stage has sickle-like bacteria, pythium spp, rhizopus to cause;
The gray mold that botrytis cinerea causes;
The anthracnose that anthrax-bacilus causes.
Prevent and treat method: will in time pull out diseased plant after the damping off morbidity, and with thiophanate methyl (50%) 1.00-1.25g/L, or tpn (75%) 1.25-1.67g/L, or many sulphur suspension (40%) 2.0～2.5g/L prevents and treats, spray in every 7-10 days 1 time, company sprays 3-4 time.
Gray mold, susceptible tissue is light brown during morbidity, the soft corruption of water stain shape, the later stage festers.The susceptible rear blade chlorisis of plant, wilting begin fallen leaves after 2-3 days, the back death of 1 week.Should diseased plant be pulled out after the morbidity, simultaneously, can spray tpn (75%) 1.25-1.67g/L or thiophanate methyl (50%) 1.00-1.25g/L; The many Mils of thunder (MnZn 58% wetting powder) 0.67-1.00g/L; Gram bacterium (32%) 0.50-0.67g/L, spray in every 7-12 days 1 time connects and sprays 3-4 time.
Anthracnose, this disease symptoms are that the brown point-like appears in infected leaves, enlarge then.Available equivalent formula bordeaux mixture, fenaminosulf (fenaminosulf wet-milling 50%) 1.00-1.67g/L spray are 3-4 time in the control, keep the seedbed ventilated simultaneously, to reduce humidity, suppress the pathogen diffusion.
The control of cold damage: the pagatpat seedling is (< 15 ℃) poor growth at low temperatures, has cold damage to take place in the time of below 7 ℃, at this moment need take freeze prevention measure in order to avoid receive freeze injury.
Freeze prevention measure mainly contains three aspects: the one, and epiphragma is preserved moisture; The 2nd, the insulation of pouring water prevents dry freeze; The 3rd, spray high potassium and amino acid foliage fertilizer, improve the seedling cold resistance.
(3), afforestation technology
1. the quality of beach of afforesting is selected: planting site is chosen in seawater salinity less than 10 place, marine outfall, river, the dry not beach of accumulated water in ebb back.The beach that mud is thick, soft, fertile more, the afforestation effect is good more.
2. planting density: the plantation seeding row spacing can be used 2 * 2 meters, 2 * 3 meters, 3 * 3 meters or 3 * 4 meters, and large tracts of land afforestation is suitable with 3 * 3 meters, help like this pagatpat as early as possible closing grow into forest, help ventilated again.
3. plant: all can plant annual 3-September, and optimum was planted in 3-June.Plant is having long vegetative period then, goes into before the winter plant branch, and cold tolerance is stronger, passes the winter to be difficult for quilt when meeting cold wave and to be freezed to death.The plantation of pulling strings, makes it perfectly straight attractive in appearance in the ranks by 3 meters.Afforestation has generally been dug pitting by seeding row spacing, 20 * 20 * 20cm with hoe or shovel.The general plantation while digging pit during plantation is with mud dustpan or holder basin dress seedling (can on mud bank, spur convenient carrying nursery stock).To set upright after the plantation and the earthing compacting.Avoid washing upside down nursery stock after flood tide, be lowered into motility rate.With good conditionsily will use 50-60 centimetre thin net (plastic wire) to surround, prevent sea duck and artificial destruction, planting in back one month to have the special messenger to manage and protect, and is washed upside down or is blown askew will in time setting upright by sea wind by wave.
4. young growth is managed and protected: need to strengthen after pagatpat is planted managing and protecting, particularly the control of damage by disease and insect and prevent artificial destruction.
Timely rubbish cleaning is wanted, in order to avoid the crushing treelet in the many places of drift rubbish, seabeach after the ebb.Disease of nursery stock and little crab to gnaw seedling very crucial.Its disease has harm such as the damping-off of seedling and anthracnose and barnacle, lappet moth.Main prevention and treatment method is to adopt regularly to spray medicine and note Changes in weather, and adopting strengthens management controls the development of disease worm with medical treatment.
The invention has the advantages that:
1, the pagatpat thousand grain weigth is 14.42-14.83g, adopts the present invention, can germination rate be risen to 95%-98%, and seedling percent reaches 85%.
2, the present invention adopts two-phase method to grow seedlings, and promptly the phase I is cultivated seedling at seeding in nursery bed, and second stage moves into nutritious bag with the seedbed seedling and continues to cultivate into seedlings on the phase I basis.Grow seedlings through two-phase method, the nursery stock that brings out is relatively healthy and strong, and survival rate is higher, can avoid separately with seedbed grow seedlings duration potential difference, shortcoming that damage by disease and insect is many, the loaded down with trivial details shortcoming of operation when also having avoided independent use nutritional bag.
3, during pagatpat was grown seedlings, freshwater management was very crucial, and very big because pagatpat seed sprouting and growth of seedling are influenced by seawater salinity, when seawater salinity was higher than 5 ‰, seed sprouting began to be suppressed, and will use fresh water early stage.When extra large mulberry seed bud is irritated the seedling furrow to launching cotyledon when becoming seedling, adopt to introduce seawater in various degree.Before seedling has 2-3 to open true leaf; Drenching seedling with fresh water keeps the furrow face moistening; Draw seawater simultaneously and soak the seedling furrow; Make that seedling furrow Lower Half is moistening to be reached suitable salinity and give its growth needs condition of seedling root absorption equilibrium, open true leaf when seedling grows 3-4, can introduce seawater soak the furrow face once every afternoon when mobile jib had the perfect and well developed root system of the above degree of lignification of 2cm.
Embodiment
With embodiment the present invention is described further below, but the present invention is not limited to these embodiment.
Embodiment:
Pagatpat is grown seedlings and method of forestation, carries out through following steps:
(1), seed treatment: mellow fruit is adopted back, be placed in the clear water and soak, clear water did not have fruit 20-30cm, changed clear water one time in per 3 days, treated to take out behind its pericarp and the pulp softening, removed pericarp, was placed on rinsing taking-up seed in the clear water.Washed seed is packed in the gauze bag, be immersed in the water, place lucifuge shady and cool place storage subsequent use.
(2), seedling growing process
1. the selection of nursery lot and whole ground
Nursery lot is selected near the residential block, tidewater can normally rise and mangrove forest open forest land or sea wall inboard, stormy waves is little, salinity is low, has sufficient fresh water to supply with.The high 25-30cm in seedbed, wide 1.0-1.2m, the wide 45-50cm of pavement, the seedbed trend is parallel with water (flow) direction at the incoming tide, the nutrition soil that bed surface shop 5cm is thick.Enclosed around the ground, garden with gauze, killed the worm crab in the ground, clean garden with dichlorvos 1.4-2.0g/L again, just can sow.
2. seeding and seedling raising
The seedbed is yellow soil 60%, turf ash 20%, does cow dung 18%, fused calcium magnesium phosphate 2%.Liquor potassic permanganate with 1-5g/L before the sowing carries out disinfection to seed, seedbed.Get the pagatpat seed of stocking, clean with flushing with clean water, hang in the cool and can be seeded on the seedbed after 1-2 days.Seeding method adopts and broadcasts sowing, and after planting covers the thick nutrition soil of 1.0cm, with plank compacting gently, covers with film more then.
3. seedling management
When extra large mulberry seed bud is irritated the seedling furrow to launching cotyledon when becoming seedling, adopt to introduce seawater in various degree: before seedling has 2-3 to open true leaf, drench seedling with fresh water and keep the furrow face moistening, draw seawater simultaneously and soak the seedling furrow; Open true leaf when seedling grows 3-4, mobile jib has the above degree of lignification of 2cm to improve and can introduce seawater every afternoon during well developed root system and soak the furrow face once.When daytime, sunshine was strong, cover, when wind is little, open black net two ends, make it ventilated with black net.Seedling is long need not to cover black net behind 5 true leaves.
Water and fertilizer management: the pagatpat seedling will be executed an amount of liquid manure about 45 days, when seedling grows 3-4 when opening true leaf, executes that to drench concentration be the Dutch compound rich water of 0.25-0.30%; Seedling is long, and liquid manure concentration can increase to 0.35-0.40% more than the true leaf to 5, executes pouring weekly once; Before each trickle fertilizer seawater is reduced to furrow face 20cm, will waters fresh water after the pouring, when Huang Yeshi appears in seedling; Increase spray foliage fertilizer (the Huang Yeyi spray is green: Linqu, Shandong Feng Nongnongization Co., Ltd produces), spray in 10-15 days once.Execute liquid manure, the spray foliage fertilizer can not carry out simultaneously, generally be separated by a week.
4. transplant
Seedling grows 6 true leaves on the seedbed, and when height of seedling reached 6-8cm, just portable was in nutritious bag.Nutritious bag, specification are 10 * 13cm, and matrix formulations is: red soil (table soil) 40%+ macerates ripe cow dung 20%+ farmyard manure 20%+ thin sand and soil 17%+ superphosphate 3%.If no cloudy canopy is transplanted seedling and should or be carried out at dusk at the cloudy day, avoid high light, high temperature to make seedling dead because of dehydration, cause graft failure.
5. go out the qualified seedling in garden
The growth of pagatpat seedling just can go out garden afforestation when the nutritious bag seedling reaches the 40cm height rapidly.
6. strengthen the extermination of disease and insect pest and winter protection
(3), afforestation technology
1. the quality of beach of afforesting is selected: planting site is chosen in seawater salinity less than 10 place, marine outfall, river, the dry not beach of accumulated water in ebb back.The beach that mud is thick, soft, fertile more, the afforestation effect is good more.
2. planting density: the plantation seeding row spacing can be used 3 * 3 meters.
3. plant: select plant June.The plantation of pulling strings, in the ranks 3 meters, seeding row spacing has dug pitting, 20 * 20 * 20cm, put about composite fertilizer 20g in every hole can make base manure.To set upright after the plantation and the earthing compacting.
4. young growth is managed and protected: need to strengthen after pagatpat is planted managing and protecting, particularly the control of damage by disease and insect and prevent artificial destruction.
The present invention puts into practice in Qinzhou City, and percentage of seedgermination reaches 98%, and seedling percent reaches 85%.
Claims (5)
1. pagatpat is grown seedlings and method of forestation, comprises the steps:
(1), seed treatment: mellow fruit is adopted back, be placed in the clear water and soak, clear water did not have fruit 20-30cm, changed clear water one time in per 3 days, treated to take out behind its pericarp and the pulp softening, removed pericarp, was placed on rinsing taking-up seed in the clear water.Washed seed is packed in the gauze bag, be immersed in the water, place lucifuge shady and cool place storage subsequent use.
(2), seedling growing process
1. the selection of nursery lot and whole ground
Nursery lot is selected near the residential block, tidewater can normally rise and mangrove forest open forest land or sea wall inboard, stormy waves is little, salinity is low, has sufficient fresh water to supply with.The high 25-30cm in seedbed, wide 1.0-1.2m, the wide 45-50cm of pavement, the seedbed trend is parallel with water (flow) direction at the incoming tide, the nutrition soil that bed surface shop 5cm is thick.Enclosed around the ground, garden with gauze, killed the worm crab in the ground, clean garden with dichlorvos 1.4-2.0g/L again, just can sow.
2. seeding and seedling raising
Liquor potassic permanganate with 1-5g/L before the sowing carries out disinfection to seed, seedbed.Get the pagatpat seed of stocking, clean with flushing with clean water, hang in the cool and can be seeded on the seedbed after 1-2 days.Seeding method adopts and broadcasts sowing, and after planting covers the thick nutrition soil of 1.0cm, with plank compacting gently, covers with film more then.
3. seedling management
When extra large mulberry seed bud is irritated the seedling furrow to launching cotyledon when becoming seedling, adopt to introduce seawater in various degree: before seedling has 2-3 to open true leaf, drench seedling with fresh water and keep the furrow face moistening, draw seawater simultaneously and soak the seedling furrow; Open true leaf when seedling grows 3-4, mobile jib has the above degree of lignification of 2cm to improve and can introduce seawater every afternoon during well developed root system and soak the furrow face once.When daytime, sunshine was strong, cover, when wind is little, open black net two ends, make it ventilated with black net.Seedling is long need not to cover black net behind 5 true leaves.
Water and fertilizer management: the pagatpat seedling will be executed an amount of liquid manure about 45 days.
4. transplant
Seedling grows 6 true leaves on the seedbed, and when height of seedling reached 6-8cm, just portable was in nutritious bag.
5. go out the qualified seedling in garden
The growth of pagatpat seedling just can go out garden afforestation when the nutritious bag seedling reaches the 40-70cm height rapidly.
6. strengthen the extermination of disease and insect pest and winter protection
(3), afforestation technology
1. the quality of beach of afforesting is selected: it is low less than 10 place, marine outfall, river that planting site is chosen in seawater salinity, the dry not beach of accumulated water in ebb back.
2. planting density: the plantation seeding row spacing can be used 2 * 2 meters, 2 * 3 meters, 3 * 3 meters or 3 * 4 meters, and large tracts of land afforestation is suitable with 3 * 3 meters.
3. plant: all can plant annual 3-September, and optimum was planted in 3-June.The plantation of pulling strings, in the ranks 3 meters, seeding row spacing has dug pitting, 20 * 20 * 20cm, put about composite fertilizer 20g in every hole can make base manure.To set upright after the plantation and the earthing compacting.
4. young growth is managed and protected: need to strengthen after pagatpat is planted managing and protecting, particularly the control of damage by disease and insect and prevent artificial destruction.
2. pagatpat according to claim 1 is grown seedlings and method of forestation, it is characterized in that: described pagatpat fruit is a berry, and the maturing stage is annual 9-10 month; Behind the fruit maturation; Fruit colour becomes canescence by green, and is savory, touches the sensation of sticking hand with hand.
3. pagatpat according to claim 1 is grown seedlings and method of forestation, it is characterized in that: described seedbed is yellow soil 60%, turf ash 20%, does cow dung 18%, fused calcium magnesium phosphate 2%.
4. pagatpat according to claim 1 is grown seedlings and method of forestation, it is characterized in that: when the water and fertilizer management of described seedling management was opened true leaf for grow 3-4 when seedling, executing pouring concentration was the Dutch compound rich water of 0.25-0.30%; Seedling is long, and liquid manure concentration can increase to 0.35-0.40% more than the true leaf to 5, executes pouring weekly once; Before each trickle fertilizer seawater is reduced to furrow face 20cm, will waters fresh water after the pouring, when Huang Yeshi appears in seedling; Increase the spray foliage fertilizer, spray in 10-15 days once.Execute liquid manure, the spray foliage fertilizer can not carry out simultaneously, generally be separated by a week.
5. pagatpat according to claim 1 is grown seedlings and method of forestation, it is characterized in that: described nutritious bag, specification are 10 * 13cm, and matrix formulations is: red soil (table soil) 40%+ macerates ripe cow dung 20%+ farmyard manure 20%+ thin sand and soil 17%+ superphosphate 3%.
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| CN111052974A (en) * | 2019-12-20 | 2020-04-24 | 广州普邦园林股份有限公司 | Method for building reef shoal near-natural mangrove forest |
| CN111406570A (en) * | 2020-05-09 | 2020-07-14 | 佛山市林业科学研究所 | Freshwater breeding method of mangrove plants |
| CN112106582A (en) * | 2020-08-11 | 2020-12-22 | 广西壮族自治区蚕业技术推广站 | Method for raising mulberry seedlings in greenhouse |
| CN113557904A (en) * | 2021-07-30 | 2021-10-29 | 海南三友海洋科技有限公司 | Lotus seedling culture method |
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| CN114097560A (en) * | 2021-11-30 | 2022-03-01 | 广西壮族自治区中国科学院广西植物研究所 | Seedling raising method for medicinal and edible plant rhizoma smilacis glabrae |
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| CN112106582A (en) * | 2020-08-11 | 2020-12-22 | 广西壮族自治区蚕业技术推广站 | Method for raising mulberry seedlings in greenhouse |
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| CN113557904A (en) * | 2021-07-30 | 2021-10-29 | 海南三友海洋科技有限公司 | Lotus seedling culture method |
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