CN107432187A - A kind of implantation methods of organic Se-rich Guangchang Nymphaea alba - Google Patents

A kind of implantation methods of organic Se-rich Guangchang Nymphaea alba Download PDF

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Publication number
CN107432187A
CN107432187A CN201710804056.6A CN201710804056A CN107432187A CN 107432187 A CN107432187 A CN 107432187A CN 201710804056 A CN201710804056 A CN 201710804056A CN 107432187 A CN107432187 A CN 107432187A
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lotus
selenium
lotus root
rich
biological
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陈庆隆
魏云辉
杨声耀
杨声兵
熊涛
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Jiangxi Zheng Food Ltd By Share Ltd
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Jiangxi Zheng Food Ltd By Share Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates

Abstract

A kind of implantation methods of selenium-rich organic Guangchang Nymphaea alba, it is preferred that the lotus kind of Guangchang Nymphaea alba lotus kind strain, using agricultural wastes such as pig manure and bacteria residues as main composting material, add external source selenium, fermented bacterium, compost fermentation material is made with compost nutrition recuperating agent etc., static forced air supply combination turning offering oxygen way is taken to carry out compost fermentation, prepare biological selenium-enriched organic fertilizer, the good field of selection planting conditions makees lotus field, using biological selenium-enriched organic fertilizer as base manure, pass through whole field, selection kind lotus root, kind lotus root transplant planting and field management, prepare and in the white lotus early flowering season, full-bloom stage and the biological selenium-enriched nutrient solution of fluffy Spraying in the flowering stage, plant selenium-rich Guangchang Nymphaea alba.This method production facility and equipment investment are low, and technique is simple, easy to operate, and easy to implement and popularization, society, economy, ecological benefits are notable, and popularizing application prospect is wide.

Description

A kind of implantation methods of organic Se-rich Guangchang Nymphaea alba
Technical field
The invention belongs to field of agricultural cultivation, and in particular to a kind of method of selenium-rich Guangchang Nymphaea alba plantation.
Background technology
One of trace element necessary to selenium is body, the growth, development and disease of it and humans and animals have close Cut relation.In China, the shortage of selenium is a common problem.Plantation selenium-rich product simultaneously develops selenium-enriched food, turns into scarce One of important channel of selenium area people's selenium-supply.Guangchang Nymphaea alba is Jiangxi Guangchang County special product, china national geography famous special product, because This, Guangchang County is also referred to as " Lian Xiang ", and Guangchang Nymphaea alba quality protrudes, and is the shared excellent health food of medicine food, is always referred to as " Gong Lian ", it is " treasure in lotus ", is in great demand always at home and abroad.
A kind of implantation methods of selenium-rich drought lotus root disclosed in CN106576736A, it is directed to use with planting the water hyacinth containing selenium Selenium-rich drought lotus root is planted as selenium-rich base fertilizer, wherein, the crop cycle of water hyacinth is just up to 20-30 days, causes non-irrigated lotus root plantation week Phase is grown, complex operation.
There is compost the sustainability of biological treatment and waste resource the feature such as to recycle, and be processing organic solid is given up The important method of gurry.The mode of addition inoculating microbe fermented bacterium is taken, composting efficiency and quality can be significantly improved.Heap Fertile microbial fermentation bacterium is mainly made up of microbe groups such as bacterium, fungi, actinomyces, research and it was verified that bacterium, true Bacterium, actinomyces have strong enrichment to selenium salt.In composting process, inorganic Se form is turned by the enrichment of microorganism Organic Se form is melted into, absorption and the concentration effect of Selenium By The Plants can be effectively improved.Applied in lotus Tanaka biological selenium-enriched organic Fertilizer, be advantageous to improve soil texture, enhancing root system of plant ambient microorganisms group activity, improve white lotus yield and quality.White In lotus whole growth period, early flowering season, full-bloom stage, fluffy florescence are white lotus growth most animated periods, and life is sprayed to bud in this stage Thing Selenium-rich nutrient solution, it is the effective way for improving lotus seeds selenium-rich.
The content of the invention
The present invention is using agricultural wastes such as pig manure and bacteria residues as main composting material, addition external source selenium, fermented bacterium, He Dui Compost fermentation material is made in fertile nutrition recuperating agent etc., takes static forced air supply combination turning offering oxygen way to carry out compost fermentation, Biological selenium-enriched organic fertilizer is prepared, the field for selecting planting conditions good makees lotus field, using biological selenium-enriched organic fertilizer as base manure, by whole Field, selection kind lotus root, kind lotus root transplant planting and field management, prepare and in white lotus early flowering season, full-bloom stage and fluffy Spraying in the flowering stage biology Selenium-rich nutrient solution, plant selenium-rich Guangchang Nymphaea alba.It is technical measures to spray biological selenium-enriched nutrient solution, by white lotus in soil The absorption and enrichment of biological selenium-enriched Organic Selenium and florescence to biological selenium-enriched nutrient solution are organic to improve activity in Guangchang Nymphaea alba The content of selenium, develop safe efficient organic Se-rich food.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of implantation methods of selenium-rich Guangchang Nymphaea alba, comprise the following steps:
(1) lotus kind selects:The lotus kind is the lotus kind of Guangchang Nymphaea alba strain;Guangchang Nymphaea alba has that color is white, grain is big, sweet clear Fragrant, nutritious, the features such as medical value is high, the clear meat silk floss that stews easily rotten, soup
(2) lotus field selects:It is fertile that the lotus field is sunny, irrigation and drainage are convenient, soil organic matter content is high, the soil is porous Field fertile, that lotus rhizome rot did not occurred;
(3) biological selenium-enriched organic fertilizer is prepared;
(4) whole field:Whole field is carried out according to the general planting method of Guangchang Nymphaea alba;
(5) basal dressing:Base manure is applied in lotus Tanaka within 15~20 days before the transplanting of lotus kind;
Wherein, the base manure applies according to following dosage:Biological selenium-enriched 1000~1200kg/ of organic fertilizer mus, quick lime 40 ~60kg/ mus, borax 1~3kg/ mus, magnesium sulfate 6~8kg/ mus, land plaster 8~10kg/ mus;
(6) selection kind lotus root:Select fresh, internode is short, it is sturdy uniformly, terminal bud is intact and disease-free spot, two lotus root bags The lotus root of one section lotus root load makees kind of a lotus root;
(7) lotus root sterilization is planted:The conventional method planted according to white lotus carries out disinfection;For example, it can be used before kind of lotus root transplanting 50% carbendazim is watered sprinkling kind lotus root, is then covered 12 hours and sterilized with film;
(8) lotus root transplant planting is planted:The fine day that more than 15 DEG C of selection daily mean temperature carries out kind of a lotus root transplant planting;
(9) field management:The general requirement planted according to white lotus is applied fertilizer, water management, the prevention and control of plant diseases, pest control and weeding Deng;
(10) biological selenium-enriched nutrient solution is sprayed:Life is sprayed respectively in the dusk of early flowering season, full-bloom stage, selection of fluffy florescence fine day Thing Selenium-rich nutrient solution;Wherein, the compound method of described biological selenium-enriched nutrient solution is:The biological selenium-enriched organic fertilizer is mixed with water Close, stand and take supernatant after removing sediment;
(11) pluck:When there is brown speckle in the seedpod of the lotus, lotus seed slightly separates light brown with lotus seed pericarp band with seedpod of the lotus cell Plucked.
As the technical scheme of optimization, the lotus kind in the step (1) is space lotus 36.
As the technical scheme of optimization, the lotus field former years of the step (2) planted selenium-rich white lotus.
As the technical scheme of optimization, in the step (3) preparation of biological selenium-enriched organic fertilizer comprise the following steps:
Step 1: prepare fermented bacterium:By fowl and animal excrement, bacteria residue and rice bran in mass ratio 2:1:0.5 is mixed and made into mixing Material, sucrose, 0.1% frerrous chloride, 0.1% potassium nitrate, 0.5% that mass fraction is 0.1% are added in compound Calcium carbonate and 1% magnesium phosphate, water content is adjusted to 60~65% mass percent, adds 0.3~0.5% mass fraction Fermenting agent, it is 1.2~1.5m that volume is transported to after mixing3Strain fermentation groove in ferment, fermentation tank temperature adjusting is 55 ~65 DEG C, maintain 8~10 days, every turning in 4 days 1 time, fermented bacterium is made;
The fermenting agent obtains from agricultural microbe research institute of Jiangxi Academy of Agricultural Sciences.
Step 2: prepare composting material:It is 3 that feces of livestock and poultry and bacteria residue are pressed into mass ratio:7 mix, with 0.1~1% matter Measure the C/N to 25~35 of the urea adjustment composting material of fraction:1;
Step 3: selection external source selenium:The sodium selenite selenium powder of 0.1% concentration is selected as external source selenium;
Step 4: prepare compost nutrition recuperating agent:It is 6 that flyash, zeolite, calcium phosphate and calcium hydroxide are pressed into mass ratio: 3:0.5:0.5 mixing;
Step 5: build heap fermentation:The composting material, fermented bacterium, the agent of compost nutrition recuperating and external source selenium are pressed into quality The ratio between be 100:15:10:0.025 mix, build heap ferment to completely it is decomposed, be dried, crush and sieve operation and obtain biology Selenium-enriched organic fertilizer;
As the technical scheme of optimization, the bacteria residue in the step (3) is pleurotus eryngii bacteria residue, flat mushroom bacteria residue and oyster mushroom One or more in slag;And/or the feces of livestock and poultry is the one or more in pig manure, chicken manure and cattle and sheep excrement.
As the technical scheme of optimization, the heap fermentation condition of building of biological selenium-enriched organic fertilizer is in the step (3):Control water It is 65% to divide content, builds up the wide 1.2~1.5m in bottom, the wide 1.0~1.2m in top, high 1.0~1.2m, long unlimited strip heap Body is fermented, the draft type ventilation oxygenation for taking forced ventilation to be combined with turning in fermentation process, and control heap body oxygen is dense Spend for 12%, temperature 60 C, fermentation time is 10 days, and the heap body after fermentation is transported into fertilizer reserve storage and builds heap, heap body is high by 2 ~2.5m, second of fermentation 15 days is carried out to heap body under field conditions (factors).
As the technical scheme of optimization, the whole field of the step (4) comprises the following steps:By the lotus field chosen in kind of a lotus root Complete once to plough a field and once harrow a field within 15 days before transplanting, once ploughed a field after 2~3 days and once harrowed a field again;And moved in kind of lotus root Once ploughed a field and harrowed a field again within 1 day before cultivation, accomplish the rotten Tian Ping of mud.
As the technical scheme of optimization, the kind lotus root transplant planting method of the step (8) is, according to triangle disposition to kind of a lotus root Definite value, every plant is planted three, and lotus root body is tiltedly buried in the earth in 30 degree during transplanting, and depth is 12~15cm, and the Monday of ridge four to two, which encloses, plants The terminal bud of lotus root is entreated towards Tanaka, and remaining kind lotus root terminal bud is in triangle disposition direction, and kind lotus root Transplanting Density is 300 every mu.
As the technical scheme of optimization, step (9) field management includes, and grows shape according to soil fertility and white lotus Condition, in the vertical leaf phase, mu applies 45% 1~1.5kg of urea, 1~1.5kg of potassium sulfate;In the early flowering season, mu applies 3~5kg of urea, nitrogen phosphorus 8~10kg of K composite fertilizer;In full-bloom stage, mu applies 6~8kg of urea, 3~5kg of potassium sulfate, 13~15kg of nitrogen-phosphorus-potassium compound fertilizer; Fluffy florescence, mu apply 6~8kg of urea, 2~4kg of potassium sulfate, 13~15kg of nitrogen-phosphorus-potassium compound fertilizer;Later stage mu apply 3~5kg of urea, 3~4kg of potassium sulfate.
As the technical scheme of optimization, the biological selenium-enriched nutrient solution of the step (10) is according to biological selenium-enriched organic fertilizer and water Mass ratio be 1:0.5~1.5 mixing.Preferably, early flowering season, full-bloom stage, the biology of fluffy Spraying in the flowering stage in the step (10) Selenium-rich nutrient solution is respectively 1 according to the mass ratio of biological selenium-enriched organic fertilizer and water:0.5、1:1、1:1.5 mixing.
As the technical scheme of optimization, the compound method of the biological selenium-enriched nutrient solution is, will be described biological selenium-enriched organic Fertilizer and water are respectively according to 1:0.5、1:1、1:1.5 (mass fractions) stir and evenly mix, ultrasonic 10- at being 40-50 DEG C in temperature 30min, be cooled to after normal temperature stand 0.5-2 hours remove sediment after take supernatant, early flowering season, full-bloom stage, fluffy florescence is made Biological selenium-enriched nutrient solution, select spray respectively the dusk of fine day.
It has been found that vigorous early flowering season in period, full-bloom stage and the fluffy Spraying in the flowering stage in white lotus growth pass through bioconversion Biological selenium-enriched organic fertilizer, rather than directly spray the inorganic seleniums such as sodium selenite, absorptivity of the white lotus to selenium can be dramatically increased Improve the Se content of lotus seeds;In addition, it is particularly the selemium nutrition that the fluffy florescence directly sprays inorganic forms in the key period of white lotus growth Liquid, easily in the unabsorbed inorganic selenium of lotus seeds remained on surface, it is edible remain inorganic selenium lotus seeds it is harmful, the present invention Vigorous early flowering season in period, full-bloom stage and the fluffy flower that the biological selenium-enriched nutrient solution prepared using biological selenium-enriched organic fertilizer is grown in white lotus Phase is sprayed respectively, and white lotus is high to the Organic Selenium absorptivity of biological selenium-enriched nutrient solution, and is avoided that inorganic selenium on lotus seeds Residual, lotus seeds product safety health.
Beneficial technique effect prepared by the present invention:
1st, the present invention is by preparing and using biological selenium-enriched organic fertilizer and biological selenium-enriched nutrient solution, to improve geobiont work The content and the biological selenium-enriched nutrient solution of Spraying in the flowering stage of property Organic Selenium are technical measures, by white lotus in soil and the florescence pair The enrichment and suction-operated of bioactivity Organic Selenium improves the content of bioactivity Organic Selenium in Guangchang Nymphaea alba.
2nd, inorganic selenium is enriched in white lotus crop by biotechnology by the present invention, is converted into high organic of bioactivity Selenium component, so as to improve the content of selenium and the bioactivity of selenium in white lotus.The selenium-rich white lotus of plantation than common white lotus and its Selenium-enriched food is safe for he, has higher anti-oxidant and antimutagenic activity, suitable long-term consumption.
3rd, the composting material that the present invention uses is mainly the agricultural wastes such as feces of livestock and poultry and bacteria residue, and raw material sources are wide It is general, realize that agricultural wastes recycling efficiently utilizes, reduce environmental pollution.Biological selenium-enriched organic fertilizer and biological selenium-enriched nutrient solution system Standby technique is simple, and short preparation period is economical and practical.
4th, the selenium-rich white lotus yield that the present invention plants is high, quality is excellent and green non-pollution, the selenium-rich white lotus that the present invention plants After testing, Se content is up to more than 0.25mg/kg.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.
Reagent and raw material involved in the present invention is commercially available product, can be bought and obtained by market.
Embodiment 1:
Selection color is white, grain is big, sweet delicate fragrance, the space lotus that nutritious, medical value is high, it is easily rotten to stew, the clear meat of soup is continuous No. 36 are done lotus kind.To select that sunny, irrigation and drainage are convenient, soil organic matter content is high, the soil is porous fertile, lotus rhizome corruption did not occurred The field for losing disease does lotus field.
By pig manure, pleurotus eryngii bacteria residue and rice bran in mass ratio 2:1:0.5 is mixed and made into compound, is added in compound 0.1% sucrose, 0.1% frerrous chloride, 0.1% potassium nitrate, 0.5% calcium carbonate and 1% magnesium phosphate (mass fraction), water content are adjusted Section adds 0.3% fermenting agent (mass fraction) to 60% (mass percent) afterwards, and mixing is transported to volume after mixing thoroughly and is 1.2m3Strain fermentation groove in ferment, fermentation tank temperature adjusting maintains 8 days at 55 DEG C, every turning in 4 days 1 time, zymophyte is made Kind.
It is 3 that pig manure and pleurotus eryngii bacteria residue are pressed into mass ratio:Mixed thoroughly after 7 mixing, detect the C/N of composting material, with 0.1~ The C/N to 25 of the urea adjustment composting material of 1% mass fraction:1 is made composting material.
Flyash, zeolite, calcium phosphate and calcium hydroxide are pressed 6:3:0.5:0.5 (mass fraction) is mixed and made into compost nutrition tune Manage agent.
The sodium selenite selenium powder (feed grade) of 0.1% concentration is selected to be used as external source selenium.
The composting material of preparation, fermented bacterium, the agent of compost nutrition recuperating and external source selenium sodium selenite are pressed 100:15:10: 0.025 (mass fraction) mixing is mixed thoroughly, and heap body moisture is 65%, build up the wide 1.2~1.5m in bottom, top it is wide by 1.0~ 1.2m, high 1.0~1.2m, long unlimited strip heap body are fermented.Forced ventilation is taken mutually to be tied with turning in fermentation process The draft type ventilation oxygenation of conjunction, it is 12% to control heap body oxygen concentration, temperature 60 C, and fermentation time is 10 days.After fermentation Heap body is transported to fertilizer reserve storage and builds heap, the high 2~2.5m of heap body, carries out second to heap body under field conditions (factors) and ferments, and 15 After it compost reach completely it is decomposed, routinely organic fertilizer preparation manipulation be dried, crush and sieve operation obtain it is biological selenium-enriched Organic fertilizer.
The lotus field chosen is completed once to plough a field and once harrow a field for 15 days before kind of lotus root transplanting, carries out one after 2~3 days again It is secondary to plough a field and once harrow a field, and once ploughed a field and harrowed a field again within 1 day before kind of lotus root transplanting, accomplish the rotten Tian Ping of mud.Moved in lotus kind Base manure, base manure composition are applied in lotus Tanaka within 15~20 days before cultivation:Biological selenium-enriched organic fertilizer 1000kg/ mus, quick lime 40kg/ mus, Borax 1kg/ mus, magnesium sulfate 6kg/ mus, land plaster 8kg/ mus.Select fresh, internode is short, it is sturdy uniformly, terminal bud it is intact Make kind of a lotus root with the lotus root of disease-free spot, two lotus root Bao Yijie lotus roots loads.A sprinkling kind lotus root is watered using 50% carbendazim before kind lotus root transplanting, so Covered 12 hours and sterilized with film afterwards.The fine day that more than 15 DEG C of selection daily mean temperature carries out kind of a lotus root transplant planting.According to " product " word For shape to kind of a lotus root definite value, every plant is planted three, and lotus root body is tiltedly buried in the earth in 30 degree during transplanting, depth 12cm, the Monday of ridge four to two The terminal bud of circle kind lotus root is entreated towards Tanaka, and remaining kind lotus root terminal bud is in triangle disposition direction, and kind lotus root Transplanting Density is 300 every mu.
In white lotus growth period, according to the general requirement of white lotus plantation carry out following fertilising, water management, the prevention and control of plant diseases, pest control and Weeding:In the vertical leaf phase, mu applies 45% urea 1kg, potassium sulfate 1kg;In the early flowering season, mu applies urea 3kg, nitrogen-phosphorus-potassium compound fertilizer 8kg; In full-bloom stage, mu applies urea 6kg, potassium sulfate 3kg, nitrogen-phosphorus-potassium compound fertilizer 13kg;At the fluffy florescence, mu applies urea 6kg, potassium sulfate 2kg, nitrogen-phosphorus-potassium compound fertilizer 13kg;Urea 3kg, potassium sulfate 3kg are applied in later stage mu.
By the biological selenium-enriched organic fertilizer and water respectively according to 1:0.5、1:1、1:1.5 stir and evenly mix, and stand and remove precipitation Supernatant is taken after thing, early flowering season, full-bloom stage, biological selenium-enriched nutrient solution of fluffy florescence is made, selects spray respectively the dusk of fine day.
In white lotus Later growth, when brown speckle occurs in the seedpod of the lotus, lotus seed slightly separates with seedpod of the lotus cell, lotus seed pericarp band is in shallow During brown, plucked.
Se content detection is carried out by the drying of harvest white lotus or after drying, the content of selenium is 0.25mg/kg.
Embodiment 2:
Selection color is white, grain is big, sweet delicate fragrance, the space lotus that nutritious, medical value is high, it is easily rotten to stew, the clear meat of soup is continuous No. 36 are done lotus kind.To select that sunny, irrigation and drainage are convenient, soil organic matter content is high, the soil is porous fertile, lotus rhizome corruption did not occurred The field for losing disease does lotus field.
By pig manure, flat mushroom bacteria residue and rice bran in mass ratio 2:1:0.5 is mixed and made into compound, is added in compound 0.1% sucrose, 0.1% frerrous chloride, 0.1% potassium nitrate, 0.5% calcium carbonate and 1% magnesium phosphate (mass fraction), water content are adjusted Section adds 0.3% fermenting agent (mass fraction) to 65% (mass percent) afterwards, and mixing is transported to volume after mixing thoroughly and is 1.2m3Strain fermentation groove in ferment, fermentation tank temperature adjusting maintains 9 days at 60 DEG C, every turning in 4 days 1 time, zymophyte is made Kind.
It is 3 that pig manure peace mushroom slag is pressed into mass ratio:Mixed thoroughly after 7 mixing, detect the C/N of composting material, with 0.1~ The C/N to 25 of the urea adjustment composting material of 1% mass fraction:1 is made composting material.
Flyash, zeolite, calcium phosphate and calcium hydroxide are pressed 6:3:0.5:0.5 (mass fraction) is mixed and made into compost nutrition tune Manage agent.
The sodium selenite selenium powder (feed grade) of 0.1% concentration is selected to be used as external source selenium.
The composting material of preparation, fermented bacterium, the agent of compost nutrition recuperating and external source selenium sodium selenite are pressed 100:15:10: 0.025 (mass fraction) mixing is mixed thoroughly, and heap body moisture is 70%, build up the wide 1.2~1.5m in bottom, top it is wide by 1.0~ 1.2m, high 1.0~1.2m, long unlimited strip heap body are fermented.Forced ventilation is taken mutually to be tied with turning in fermentation process The draft type ventilation oxygenation of conjunction, it is 12~16% to control heap body oxygen concentration, 60~65 DEG C of temperature, and fermentation time is 11 days.Will Heap body after fermentation is transported to fertilizer reserve storage and builds heap, the high 2~2.5m of heap body, heap body is carried out second under field conditions (factors) Fermentation, compost reaches completely decomposed after 18 days, and routinely organic fertilizer preparation manipulation is dried, crushes and sieved operation and given birth to Thing selenium-enriched organic fertilizer.
The lotus field chosen is completed once to plough a field and once harrow a field for 15 days before kind of lotus root transplanting, carried out once again after 3 days Plough a field and once harrow a field, and once ploughed a field and harrowed a field again within 1 day before kind of lotus root transplanting, accomplish the rotten Tian Ping of mud.Transplanted in lotus kind Base manure, base manure composition are applied in lotus Tanaka within first 15~20 days:Biological selenium-enriched organic fertilizer 1100kg/ mus, quick lime 50kg/ mus, boron Sand 2kg/ mus, magnesium sulfate 7kg/ mus, land plaster 9kg/ mus.Select fresh, internode is short, it is sturdy uniformly, terminal bud it is intact and Disease-free spot, the lotus root of two lotus root Bao Yijie lotus roots loads make kind of a lotus root.A sprinkling kind lotus root is watered using 50% carbendazim before kind lotus root transplanting, then Covered 12 hours and sterilized with film.The fine day that more than 15 DEG C of selection daily mean temperature carries out kind of a lotus root transplant planting.According to triangle disposition To kind of a lotus root definite value, every plant is planted three, and lotus root body is tiltedly buried in the earth in 30 degree during transplanting, and depth 13cm, the Monday of ridge four to two encloses The terminal bud of kind lotus root is entreated towards Tanaka, and remaining kind lotus root terminal bud is in triangle disposition direction, and kind lotus root Transplanting Density is 300 every mu.
In white lotus growth period, according to the general requirement of white lotus plantation carry out following fertilising, water management, the prevention and control of plant diseases, pest control and Weeding:In the vertical leaf phase, mu applies 45% urea 1.2kg, potassium sulfate 1.3kg;In the early flowering season, mu applies urea 4kg, nitrogen-phosphorus-potassium compound fertilizer 9kg;In full-bloom stage, mu applies urea 7kg, potassium sulfate 4kg, nitrogen-phosphorus-potassium compound fertilizer 14kg;At the fluffy florescence, mu applies urea 7kg, sulfuric acid Potassium 3kg, nitrogen-phosphorus-potassium compound fertilizer 14kg;Urea 4kg, potassium sulfate 3.5kg are applied in later stage mu.
By the biological selenium-enriched organic fertilizer and water respectively according to 1:0.5、1:1、1:1.5 (mass fractions) stir and evenly mix, quiet Put and take supernatant after removing sediment, early flowering season, full-bloom stage, biological selenium-enriched nutrient solution of fluffy florescence is made, selects the dusk of fine day Spray respectively.
In white lotus Later growth, when brown speckle occurs in the seedpod of the lotus, lotus seed slightly separates with seedpod of the lotus cell, lotus seed pericarp band is in shallow During brown, plucked.
Se content detection is carried out by the drying of harvest white lotus or after drying, the content of selenium is 0.28mg/kg.
Embodiment 3:
Selection color is white, grain is big, sweet delicate fragrance, the space lotus that nutritious, medical value is high, it is easily rotten to stew, the clear meat of soup is continuous No. 36 are done lotus kind.To select that sunny, irrigation and drainage are convenient, soil organic matter content is high, the soil is porous fertile, lotus rhizome corruption did not occurred The field for losing disease does lotus field.
By pig manure, elegant precious mushroom bacteria residue and rice bran in mass ratio 2:1:0.5 is mixed and made into compound, is added in compound 0.1% sucrose, 0.1% frerrous chloride, 0.1% potassium nitrate, 0.5% calcium carbonate and 1% magnesium phosphate (mass fraction), water content are adjusted Section adds 0.3% fermenting agent (mass fraction) to 60% (mass percent) afterwards, and mixing is transported to volume after mixing thoroughly and is 1.5m3Strain fermentation groove in ferment, fermentation tank temperature adjusting maintains 10 days at 65 DEG C, every turning in 4 days 1 time, zymophyte is made Kind.
It is 3 that pig manure and elegant precious mushroom bacteria residue are pressed into mass ratio:Mixed thoroughly after 7 mixing, detect the C/N of composting material, with 0.1~ The C/N to 25 of the urea adjustment composting material of 1% mass fraction:1 is made composting material.
Flyash, zeolite, calcium phosphate and calcium hydroxide are pressed 6:3:0.5:0.5 (mass fraction) is mixed and made into compost nutrition tune Manage agent.
The sodium selenite selenium powder (feed grade) of 0.1% concentration is selected to be used as external source selenium.
The composting material of preparation, fermented bacterium, the agent of compost nutrition recuperating and external source selenium sodium selenite are pressed 100:15:10: 0.025 (mass fraction) mixing is mixed thoroughly, and heap body moisture is 75%, build up the wide 1.2~1.5m in bottom, top it is wide by 1.0~ 1.2m, high 1.0~1.2m, long unlimited strip heap body are fermented.Forced ventilation is taken mutually to be tied with turning in fermentation process The draft type ventilation oxygenation of conjunction, it is 16% to control heap body oxygen concentration, 65 DEG C of temperature, and fermentation time is 12 days.After fermentation Heap body is transported to fertilizer reserve storage and builds heap, the high 2~2.5m of heap body, carries out second to heap body under field conditions (factors) and ferments, and 20 After it compost reach completely it is decomposed, routinely organic fertilizer preparation manipulation be dried, crush and sieve operation obtain it is biological selenium-enriched Organic fertilizer.
The lotus field chosen is completed once to plough a field and once harrow a field for 15 days before kind of lotus root transplanting, carried out once again after 3 days Plough a field and once harrow a field, and once ploughed a field and harrowed a field again within 1 day before kind of lotus root transplanting, accomplish the rotten Tian Ping of mud.Transplanted in lotus kind Base manure, base manure composition are applied in lotus Tanaka within first 20 days:Biological selenium-enriched organic fertilizer 1200kg/ mus, quick lime 60kg/ mus, borax 3kg/ mus, magnesium sulfate 8kg/ mus, land plaster 10kg/ mus.Select fresh, internode is short, it is sturdy uniformly, terminal bud is intact and nothing Scab, the lotus root of two lotus root Bao Yijie lotus roots loads make kind of a lotus root.Before kind lotus root transplanting a sprinkling kind lotus root, Ran Houyong are watered using 50% carbendazim Film is covered 12 hours and sterilized.The fine day that more than 15 DEG C of selection daily mean temperature carries out kind of a lotus root transplant planting.According to triangle disposition pair Kind of lotus root definite value, every plant is planted three, and lotus root body is tiltedly buried in the earth in 30 degree during transplanting, and depth 15cm, the Monday of ridge four to two, which encloses, plants The terminal bud of lotus root is entreated towards Tanaka, and remaining kind lotus root terminal bud is in triangle disposition direction, and kind lotus root Transplanting Density is 300 every mu.
In white lotus growth period, according to the general requirement of white lotus plantation carry out following fertilising, water management, the prevention and control of plant diseases, pest control and Weeding:In the vertical leaf phase, mu applies 45% urea 1.5kg, potassium sulfate 1.5kg;In the early flowering season, mu applies urea 5kg, nitrogen-phosphorus-potassium compound fertilizer 10kg;In full-bloom stage, mu applies urea 8kg, potassium sulfate 5kg, nitrogen-phosphorus-potassium compound fertilizer 15kg;At the fluffy florescence, mu applies urea 8kg, sulphur Sour potassium 4kg, nitrogen-phosphorus-potassium compound fertilizer 15kg;Urea 5kg, potassium sulfate 4kg are applied in later stage mu.
By the biological selenium-enriched organic fertilizer and water respectively according to 1:0.5、1:1、1:1.5 (mass fractions) stir and evenly mix, Temperature is ultrasonic 30min at 45 DEG C, is cooled to after normal temperature after standing 1 hour and removing sediment and takes supernatant, early flowering season, Sheng is made Florescence, biological selenium-enriched nutrient solution of fluffy florescence, select spray respectively the dusk of fine day.
In white lotus Later growth, when brown speckle occurs in the seedpod of the lotus, lotus seed slightly separates with seedpod of the lotus cell, lotus seed pericarp band is in shallow During brown, plucked.
Se content detection is carried out by the drying of harvest white lotus or after drying, the content of selenium is 0.31mg/kg.
Comparative example 1:
Selection color is white, grain is big, sweet delicate fragrance, the space lotus that nutritious, medical value is high, it is easily rotten to stew, the clear meat of soup is continuous No. 36 are done lotus kind.To select that sunny, irrigation and drainage are convenient, soil organic matter content is high, the soil is porous fertile, lotus rhizome corruption did not occurred The field for losing disease does lotus field.
By pig manure, pleurotus eryngii bacteria residue and rice bran in mass ratio 2:1:0.5 is mixed and made into compound, is added in compound 0.1% sucrose, 0.1% frerrous chloride, 0.1% potassium nitrate, 0.5% calcium carbonate and 1% magnesium phosphate (mass fraction), water content are adjusted Section adds 0.3% fermenting agent (mass fraction) to 60% (mass percent) afterwards, and mixing is transported to volume after mixing thoroughly and is 1.2m3Strain fermentation groove in ferment, fermentation tank temperature adjusting maintains 8 days at 55 DEG C, every turning in 4 days 1 time, zymophyte is made Kind.
It is 3 that pig manure and pleurotus eryngii bacteria residue are pressed into mass ratio:Mixed thoroughly after 7 mixing, detect the C/N of composting material, with 0.1~ The C/N to 25 of the urea adjustment composting material of 1% mass fraction:1 is made composting material.
Flyash, zeolite, calcium phosphate and calcium hydroxide are pressed 6:3:0.5:0.5 (mass fraction) is mixed and made into compost nutrition tune Manage agent.
The sodium selenite selenium powder (feed grade) of 0.1% concentration is selected to be used as external source selenium.
The composting material of preparation, fermented bacterium, the agent of compost nutrition recuperating and external source selenium sodium selenite are pressed 100:15:10: 0.025 (mass fraction) mixing is mixed thoroughly, and heap body moisture is 65%, build up the wide 1.2~1.5m in bottom, top it is wide by 1.0~ 1.2m, high 1.0~1.2m, long unlimited strip heap body are fermented.Forced ventilation is taken mutually to be tied with turning in fermentation process The draft type ventilation oxygenation of conjunction, it is 12% to control heap body oxygen concentration, temperature 60 C, and fermentation time is 10 days.After fermentation Heap body is transported to fertilizer reserve storage and builds heap, the high 2~2.5m of heap body, carries out second to heap body under field conditions (factors) and ferments, and 15 After it compost reach completely it is decomposed, routinely organic fertilizer preparation manipulation be dried, crush and sieve operation obtain it is biological selenium-enriched Organic fertilizer.
The lotus field chosen is completed once to plough a field and once harrow a field for 15 days before kind of lotus root transplanting, carries out one after 2~3 days again It is secondary to plough a field and once harrow a field, and once ploughed a field and harrowed a field again within 1 day before kind of lotus root transplanting, accomplish the rotten Tian Ping of mud.Moved in lotus kind Base manure, base manure composition are applied in lotus Tanaka within 15~20 days before cultivation:Biological selenium-enriched organic fertilizer 1000kg/ mus, quick lime 40kg/ mus, Borax 1kg/ mus, magnesium sulfate 6kg/ mus, land plaster 8kg/ mus.Select fresh, internode is short, it is sturdy uniformly, terminal bud it is intact Make kind of a lotus root with the lotus root of disease-free spot, two lotus root Bao Yijie lotus roots loads.A sprinkling kind lotus root is watered using 50% carbendazim before kind lotus root transplanting, so Covered 12 hours and sterilized with film afterwards.The fine day that more than 15 DEG C of selection daily mean temperature carries out kind of a lotus root transplant planting.According to " product " word For shape to kind of a lotus root definite value, every plant is planted three, and lotus root body is tiltedly buried in the earth in 30 degree during transplanting, depth 12cm, the Monday of ridge four to two The terminal bud of circle kind lotus root is entreated towards Tanaka, and remaining kind lotus root terminal bud is in triangle disposition direction, and kind lotus root Transplanting Density is 300 every mu.
In white lotus growth period, according to the general requirement of white lotus plantation carry out following fertilising, water management, the prevention and control of plant diseases, pest control and Weeding:In the vertical leaf phase, mu applies 45% urea 1kg, potassium sulfate 1kg;In the early flowering season, mu applies urea 3kg, nitrogen-phosphorus-potassium compound fertilizer 8kg; In full-bloom stage, mu applies urea 6kg, potassium sulfate 3kg, nitrogen-phosphorus-potassium compound fertilizer 13kg;At the fluffy florescence, mu applies urea 6kg, potassium sulfate 2kg, nitrogen-phosphorus-potassium compound fertilizer 13kg;Urea 3kg, potassium sulfate 3kg are applied in later stage mu.
In white lotus Later growth, when brown speckle occurs in the seedpod of the lotus, lotus seed slightly separates with seedpod of the lotus cell, lotus seed pericarp band is in shallow During brown, plucked.
Se content detection is carried out by the drying of harvest white lotus or after drying, the content of selenium is 0.08mg/kg.
Comparative example 2:
Selection color is white, grain is big, sweet delicate fragrance, the space lotus that nutritious, medical value is high, it is easily rotten to stew, the clear meat of soup is continuous No. 36 are done lotus kind.To select that sunny, irrigation and drainage are convenient, soil organic matter content is high, the soil is porous fertile, lotus rhizome corruption did not occurred The field for losing disease does lotus field.
By pig manure, pleurotus eryngii bacteria residue and rice bran in mass ratio 2:1:0.5 is mixed and made into compound, is added in compound 0.1% sucrose, 0.1% frerrous chloride, 0.1% potassium nitrate, 0.5% calcium carbonate and 1% magnesium phosphate (mass fraction), water content are adjusted Section adds 0.3% fermenting agent (mass fraction) to 60% (mass percent) afterwards, and mixing is transported to volume after mixing thoroughly and is 1.2m3Strain fermentation groove in ferment, fermentation tank temperature adjusting maintains 8 days at 55 DEG C, every turning in 4 days 1 time, zymophyte is made Kind.
It is 3 that pig manure and pleurotus eryngii bacteria residue are pressed into mass ratio:Mixed thoroughly after 7 mixing, detect the C/N of composting material, with 0.1~ The C/N to 25 of the urea adjustment composting material of 1% mass fraction:1 is made composting material.
Flyash, zeolite, calcium phosphate and calcium hydroxide are pressed 6:3:0.5:0.5 (mass fraction) is mixed and made into compost nutrition tune Manage agent.
The sodium selenite selenium powder (feed grade) of 0.1% concentration is selected to be used as external source selenium.
The composting material of preparation, fermented bacterium, the agent of compost nutrition recuperating and external source selenium sodium selenite are pressed 100:15:10: 0.025 (mass fraction) mixing is mixed thoroughly, and heap body moisture is 65%, build up the wide 1.2~1.5m in bottom, top it is wide by 1.0~ 1.2m, high 1.0~1.2m, long unlimited strip heap body are fermented.Forced ventilation is taken mutually to be tied with turning in fermentation process The draft type ventilation oxygenation of conjunction, it is 12% to control heap body oxygen concentration, temperature 60 C, and fermentation time is 10 days.After fermentation Heap body is transported to fertilizer reserve storage and builds heap, the high 2~2.5m of heap body, carries out second to heap body under field conditions (factors) and ferments, and 15 After it compost reach completely it is decomposed, routinely organic fertilizer preparation manipulation be dried, crush and sieve operation obtain it is biological selenium-enriched Organic fertilizer.
The lotus field chosen is completed once to plough a field and once harrow a field for 15 days before kind of lotus root transplanting, carries out one after 2~3 days again It is secondary to plough a field and once harrow a field, and once ploughed a field and harrowed a field again within 1 day before kind of lotus root transplanting, accomplish the rotten Tian Ping of mud.Moved in lotus kind Base manure, base manure composition are applied in lotus Tanaka within 15~20 days before cultivation:Biological selenium-enriched organic fertilizer 1000kg/ mus, quick lime 40kg/ mus, Borax 1kg/ mus, magnesium sulfate 6kg/ mus, land plaster 8kg/ mus.Select fresh, internode is short, it is sturdy uniformly, terminal bud it is intact Make kind of a lotus root with the lotus root of disease-free spot, two lotus root Bao Yijie lotus roots loads.A sprinkling kind lotus root is watered using 50% carbendazim before kind lotus root transplanting, so Covered 12 hours and sterilized with film afterwards.The fine day that more than 15 DEG C of selection daily mean temperature carries out kind of a lotus root transplant planting.According to " product " word For shape to kind of a lotus root definite value, every plant is planted three, and lotus root body is tiltedly buried in the earth in 30 degree during transplanting, depth 12cm, the Monday of ridge four to two The terminal bud of circle kind lotus root is entreated towards Tanaka, and remaining kind lotus root terminal bud is in triangle disposition direction, and kind lotus root Transplanting Density is 300 every mu.
In white lotus growth period, according to the general requirement of white lotus plantation carry out following fertilising, water management, the prevention and control of plant diseases, pest control and Weeding:In the vertical leaf phase, mu applies 45% urea 1kg, potassium sulfate 1kg;In the early flowering season, mu applies urea 3kg, nitrogen-phosphorus-potassium compound fertilizer 8kg; In full-bloom stage, mu applies urea 6kg, potassium sulfate 3kg, nitrogen-phosphorus-potassium compound fertilizer 13kg;At the fluffy florescence, mu applies urea 6kg, potassium sulfate 2kg, nitrogen-phosphorus-potassium compound fertilizer 13kg;Urea 3kg, potassium sulfate 3kg are applied in later stage mu.
The preparation of inorganic selenium solution:After the sodium selenite pulvis of commercially available 1% concentration is dissolved in into water, precipitation is removed after standing Supernatant is taken after thing, selects sprayed at white lotus early flowering season, full-bloom stage and fluffy florescence the dusk of fine day.
In white lotus Later growth, when brown speckle occurs in the seedpod of the lotus, lotus seed slightly separates with seedpod of the lotus cell, lotus seed pericarp band is in shallow During brown, plucked.
Se content detection is carried out by the drying of harvest white lotus or after drying, the content of selenium is 0.12mg/kg.
The data of the Se content of embodiment 1-3 and comparative example 1-2 the kinds white lotus planted are collected, are shown in Table 1
Table 1:Embodiment 1-3 and comparative example 1-2 white lotus Se content data comparison table
Numbering Embodiment 1 Embodiment 2 Embodiment 3 Comparative example 1 Comparative example 2
Se content (mg/kg) 0.25 0.28 0.31 0.08 0.12
The Se content of comparative example 1 and the gained white lotus of comparative example 2 is contrasted, it is known that in the main growing period first flower of white lotus Phase, full-bloom stage and the inorganic selenium solution of fluffy Spraying in the flowering stage, the Se content of white lotus can be increased, but the increase of the Se content of white lotus is not clear It is aobvious.
The Se content of embodiment 1-3 and the gained white lotus of comparative example 1 is contrasted and understood, in the main growing period beginning of white lotus The biological selenium-enriched nutrient solution that florescence, full-bloom stage and fluffy Spraying in the flowering stage are prepared by biological selenium-enriched organic fertilizer, can dramatically increase white lotus Se content.
The Se content of embodiment 1-3 and the gained white lotus of comparative example 2 is contrasted and understood, in the main growing period beginning of white lotus The biological selenium-enriched nutrient solution that florescence, full-bloom stage and fluffy Spraying in the flowering stage are prepared using biological selenium-enriched organic fertilizer replaces inorganic Se form Se-containing nutritive liquid, white lotus dramatically increase to the absorptivity of selenium.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

1. a kind of implantation methods of selenium-rich Guangchang Nymphaea alba, comprise the following steps:
(1) lotus kind selects:The lotus kind is the lotus kind of Guangchang Nymphaea alba strain;
(2) lotus field selects:That the lotus field is that sunny, irrigation and drainage are convenient, soil organic matter content is high, the soil is porous is fertile, not The field of lotus rhizome rot occurred;
(3) biological selenium-enriched organic fertilizer is prepared;
(4) whole field;
(5) basal dressing:Base manure is applied in lotus Tanaka within 15~20 days before the transplanting of lotus kind;
Wherein, the base manure applies according to following dosage:Biological selenium-enriched 1000~1200kg/ of organic fertilizer mus, quick lime 40~ 60kg/ mus, borax 1~3kg/ mus, magnesium sulfate 6~8kg/ mus, land plaster 8~10kg/ mus;
(6) selection kind lotus root:Select fresh, internode is short, it is sturdy uniformly, terminal bud is intact and disease-free spot, two lotus root Bao Yijie The lotus root of lotus root load makees kind of a lotus root;
(7) lotus root sterilization is planted;
(8) lotus root transplant planting is planted:The fine day that more than 15 DEG C of selection daily mean temperature carries out kind of a lotus root transplant planting;
(9) field management:Applied fertilizer, water management, the prevention and control of plant diseases, pest control and weeding;
(10) biological selenium-enriched nutrient solution is sprayed:Biological richness is sprayed respectively in the dusk of early flowering season, full-bloom stage, selection of fluffy florescence fine day Selenium nutrient solution;Wherein, the compound method of described biological selenium-enriched nutrient solution is:The biological selenium-enriched organic fertilizer is mixed with water, Stand and take supernatant after removing sediment;
(11) pluck:Carried out when brown speckle occurs in the seedpod of the lotus, lotus seed slightly separates light brown with lotus seed pericarp band with seedpod of the lotus cell Harvesting.
2. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 1, it is characterised in that the lotus in the step (1) Kind is space lotus 36.
3. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 1, it is characterised in that the lotus field of the step (2) Former years planted selenium-rich white lotus.
4. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 1, it is characterised in that biological in the step (3) The preparation of selenium-enriched organic fertilizer comprises the following steps:
Step 1: prepare fermented bacterium:By fowl and animal excrement, bacteria residue and rice bran in mass ratio 2:1:0.5 is mixed and made into compound, The sucrose, 0.1% frerrous chloride, 0.1% potassium nitrate, 0.5% calcium carbonate that mass fraction is 0.1% are added in compound Magnesium phosphate with 1%, water content is adjusted the fermentation that 0.3~0.5% mass fraction is added to 60~65% mass percent Microbial inoculum, it is 1.2~1.5m that volume is transported to after mixing3Strain fermentation groove in ferment, fermentation tank temperature adjusting at 55~65 DEG C, Maintain 8~10 days, every turning in 4 days 1 time, fermented bacterium is made;
Step 2: prepare composting material:It is 3 that feces of livestock and poultry and bacteria residue are pressed into mass ratio:7 mix, with 0.1~1% mass point The C/N to 25~35 of several urea adjustment composting materials:1;
Step 3: selection external source selenium:The sodium selenite selenium powder of 0.1% concentration is selected as external source selenium;
Step 4: prepare compost nutrition recuperating agent:It is 6 that flyash, zeolite, calcium phosphate and calcium hydroxide are pressed into mass ratio:3: 0.5:0.5 mixing;
Step 5: build heap fermentation:The composting material, fermented bacterium, the agent of compost nutrition recuperating and external source selenium are pressed into mass ratio For 100:15:10:0.025 mix, build heap ferment to completely it is decomposed, be dried, crush and sieve operation obtain it is biological selenium-enriched Organic fertilizer.
5. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 4, it is characterised in that the bacteria residue is pleurotus eryngii bacterium One or more in slag, flat mushroom bacteria residue and elegant precious mushroom bacteria residue;And/or the feces of livestock and poultry is pig manure, chicken manure and cattle and sheep excrement In one or more.
6. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 1, it is characterised in that biological in the step (3) The heap fermentation condition of building of selenium-enriched organic fertilizer is:It is 65% to control moisture, build up the wide 1.2~1.5m in bottom, top it is wide by 1.0~ 1.2m, high 1.0~1.2m, long unlimited strip heap body are fermented, and take forced ventilation mutually to be tied with turning in fermentation process The draft type ventilation oxygenation of conjunction, it is 12% to control heap body oxygen concentration, and temperature 60 C, fermentation time is 10 days, after fermentation Heap body is transported to fertilizer reserve storage and builds heap, the high 2~2.5m of heap body, carries out second of fermentation 15 to heap body under field conditions (factors) My god.
7. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 1, it is characterised in that the whole field of the step (4) Comprise the following steps:The lotus field chosen is completed once to plough a field and once harrow a field for 15 days before kind of lotus root transplanting, after 2~3 days again Once ploughed a field and once harrowed a field;And once ploughed a field and harrowed a field again within 1 day before kind of lotus root transplanting, accomplish the rotten Tian Ping of mud.
8. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 1, it is characterised in that the kind lotus root of the step (8) Transplant planting method is, according to triangle disposition to kind of a lotus root definite value, every plant is planted three, and lotus root body is tiltedly buried in the earth in 30 degree during transplanting, Depth is 12~15cm, and the Monday of ridge four to the terminal bud of two circle kind lotus roots entreats towards Tanaka, and remaining kind lotus root terminal bud is in triangle disposition court To kind lotus root Transplanting Density is 300 every mu.
9. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 1, it is characterised in that step (9) the field pipe Reason includes, according to soil fertility and white lotus upgrowth situation, in the vertical leaf phase, mu apply 45% 1~1.5kg of urea, potassium sulfate 1~ 1.5kg;In the early flowering season, mu applies 3~5kg of urea, 8~10kg of nitrogen-phosphorus-potassium compound fertilizer;In full-bloom stage, mu applies 6~8kg of urea, sulphur Sour 3~5kg of potassium, 13~15kg of nitrogen-phosphorus-potassium compound fertilizer;At the fluffy florescence, mu applies 6~8kg of urea, 2~4kg of potassium sulfate, azophoska 13~15kg of Hefei;3~5kg of urea, 3~4kg of potassium sulfate are applied in later stage mu.
10. the implantation methods of selenium-rich Guangchang Nymphaea alba according to claim 1, it is characterised in that the life of the step (10) Thing Selenium-rich nutrient solution is 1 according to the mass ratio of biological selenium-enriched organic fertilizer and water:0.5~1.5 mixing, it is preferable that early flowering season, full blossom Phase, the biological selenium-enriched nutrient solution of fluffy Spraying in the flowering stage are respectively 1 according to the mass ratio of biological selenium-enriched organic fertilizer and water:0.5、1:1、1: 1.5 mixing.
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Application publication date: 20171205

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