CN106856929A - A kind of method for subtracting nitrogen fertilizer application in corn planting - Google Patents
A kind of method for subtracting nitrogen fertilizer application in corn planting Download PDFInfo
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- CN106856929A CN106856929A CN201710101607.2A CN201710101607A CN106856929A CN 106856929 A CN106856929 A CN 106856929A CN 201710101607 A CN201710101607 A CN 201710101607A CN 106856929 A CN106856929 A CN 106856929A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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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
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention relates to a kind of agricultural plantation technology field, and in particular to a kind of method for subtracting nitrogen fertilizer application in corn planting.It is specific include being sown into corn seed in the matrix being mixed to get by seabed mud, Chaetoceros carry out rush rooting treatment, when maize seedling bears the root system that length is 6 8cm, dug in crop field and transplant cave, apply to release slow nitrogenous fertilizer transplanting treatment, growth period in cave and constantly pour the management of manganese sulfate dilution, growth period by pouring butyric bacterium dwarf treatment this several procedure, controlled by above-mentioned each plantation operation, amount of application of nitrogen fertilizer in corn planting can be significantly reduced, in addition to planting cost is reduced, also it is prevented effectively from inorganic fertilizer and crosses the pollution applied and caused to soil.
Description
Technical field
The present invention relates to a kind of agricultural plantation technology field, and in particular to a kind of method for subtracting nitrogen fertilizer application in corn planting.
Background technology nitrogen is one of maximum element of common crops demand, and nitrogenous fertilizer is the most widely usedization in China
Fertilizer.Nitrogenous fertilizer can be obviously promoted plant growth, quickly improve leaf color, and fertilization effect gets instant result, hence it is evident that increase crop yield, tool
There are low input, high production, therefore, it is popular with the masses of users.Nitrogenous fertilizer is to promote flowers root, stem, the master of leaf growth
Want fertilizer, China is the relatively low country of utilization rate of nitrogen fertilizer, the nitrogenous fertilizer agronomy efficiency and nitrogenous fertilizer of staple food crop corn in the world
Utilization rate is respectively 9.8kg/kg and 26.1%, and in the relatively low state of a utilization rate, this is to improving agricultural production efficiency and ring
There is certain obstruction in the process of border protection.
The content of the invention
For utilization rate of nitrogen fertilizer is relatively low in solving the problems, such as existing corn planting, it is an object of the invention to provide a kind of corn
The method for subtracting nitrogen fertilizer application in plantation.
The technical solution adopted by the present invention is, a kind of method that nitrogen fertilizer application is subtracted in corn planting, specifically:
(1)Promote rooting treatment:The corn seed of full grains is selected, is sown into the matrix being mixed to get by seabed mud, Chaetoceros
Rush rooting treatment is carried out, depth of planting is 2-2.5cm, growth-promoting root processing stage, every 3 days, is poured with the salt solution that concentration is 3-4 ‰
A saturating matrix;
(2)Transplanting is processed:When maize seedling bears the root system that length is 6-8cm, dug in crop field and transplant cave, transplanted cave diameter and exist
30-50cm, depth in 25-30cm, at cave bottom, spill one layer and release slow urea, by corn transplantation of seedlings to cave, fills up original soil by uniform paving;
(3)Growth period applies water management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, 5000 times of a manganese sulfate was poured every 5 days
Liquid, every plant is poured 50-100ml every time;At corn heading stage, in addition to rainy season, 3000 times of liquid of a manganese sulfate were poured every 10 days, every time
Every plant of pouring 450-500ml;The corn silking phase, in addition to rainy season, 1000 times of liquid of a manganese sulfate were poured every 15 days, every plant is poured every time
Fill 200-300ml;The corn pustulation period, in addition to rainy season, 5000 times of liquid of a manganese sulfate were poured every 5 days, every time every plant of pouring 200-
300ml;
(4)Growth period downgrades management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, a butyric acid was poured at root system every 2 days
Bacterium bacterium solution, every plant is poured 5-10ml every time.
Preferably, Chaetoceros content is 1 × 10 in the seabed mud2-2×102cell/g。
Preferably, it is described to release slow urea when making, a layer thickness is uniformly wrapped for 0.8-1cm in urea surface, by natural pond
Damp soil, salt, water press 100:1-2:The weight of 15-20 releases slow coating than what mixing was obtained, after the completion of coating, in 60-65
DEG C baking temperature under bake 30-40 minutes;
Preferably, butyric activity is 1 × 10 in the butyric bacterium solution3-3×103CFU/ml。
Beneficial effect of the present invention is,
Corn planting method of the present invention can significantly reduce amount of application of nitrogen fertilizer during corn planting, and more traditional ordinary maize plants nitrogen
Fertile consumption reduces more than 40%, and milpa at least downgrades more than 25cm, wherein corn seed is mixed by seabed mud, Chaetoceros
Carry out rush rooting treatment in the matrix that obtains of conjunction, can make within a short period of time corn seed Rapid development into it is healthy and strong, thick,
The maize seedling of flourishing root system, Chaetoceros and maize root system symbiosis, it is possible to increase maize root system is to the absorption in soil to nitrogen
Performance, after maize seedling forms healthy and strong root system, by corn transplantation of seedlings to cave is transplanted, at transplanting cave cave bottom, uniform paving is spilt one layer and releases slow
Urea, slow coating is released in the coating of urea outer layer by what bog soil, salt, water were mixed to get, can suppress the work of urine enzyme in soil
Property, so as to delay urea decomposable process, that improves urea releases slow performance, water-soluble by constantly regulate manganese sulfate in corn growing season
Dilution factor and the Gen Shi amount of liquid, it is possible to increase absorption and transmission performance of the root system to nitrogen, improve the utilization rate of nitrogenous fertilizer, in jade
After rice transplantation of seedlings-jointing stage, a butyric bacterium solution was poured at root system every 2 days, being capable of effective Dwarf corn plant, reduction
To the demand of nitrogen in milpa growth course, controlled by above-mentioned each plantation operation, in significantly reducing corn planting
Amount of application of nitrogen fertilizer, in addition to planting cost is reduced, is also prevented effectively from inorganic fertilizer and crosses the pollution applied and caused to soil.
Specific embodiment
A kind of method for subtracting nitrogen fertilizer application in embodiment 1, corn planting, specifically:
(1)Promote rooting treatment:The corn seed of full grains is selected, is sown into the matrix being mixed to get by seabed mud, Chaetoceros
Rush rooting treatment is carried out, Chaetoceros content is 1 × 10 in the seabed mud2Cell/g, depth of planting is 2cm, promotees rooting treatment
In the stage, every 3 days, a matrix is irrigated with the salt solution that concentration is 3 ‰;
(2)Transplanting is processed:When maize seedling bears the root system that length is 6-8cm, dug in crop field and transplant cave, transplanted cave diameter and exist
30-50cm, depth in 25-30cm, at cave bottom, spill one layer and release slow urea, by corn transplantation of seedlings to cave, fills up original soil by uniform paving,
It is described to release slow urea when making, a layer thickness is uniformly wrapped for 0.8cm in urea surface, press 100 by bog soil, salt, water:
1:15 weight releases slow coating than what mixing was obtained, after the completion of coating, is baked under 60 DEG C of baking temperature 30 minutes;
(3)Growth period applies water management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, 5000 times of a manganese sulfate was poured every 5 days
Liquid, every plant is poured 50ml every time;At corn heading stage, in addition to rainy season, 3000 times of liquid of a manganese sulfate were poured every 10 days, every plant every time
Pour 450ml;The corn silking phase, in addition to rainy season, 1000 times of liquid of a manganese sulfate were poured every 15 days, every time every plant of pouring 200ml;
The corn pustulation period, in addition to rainy season, 5000 times of liquid of a manganese sulfate were poured every 5 days, every time every plant of pouring 200ml;
(4)Growth period downgrades management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, a butyric acid was poured at root system every 2 days
Bacterium bacterium solution, butyric activity is 1 × 10 in the butyric bacterium solution3CFU/ml, every plant is poured 5ml every time.
A kind of method for subtracting nitrogen fertilizer application in embodiment 2, corn planting, specifically:
(1)Promote rooting treatment:The corn seed of full grains is selected, is sown into the matrix being mixed to get by seabed mud, Chaetoceros
Rush rooting treatment is carried out, Chaetoceros content is 2 × 10 in the seabed mud2Cell/g, depth of planting is 2.5cm, at growth-promoting root
In the reason stage, every 3 days, a matrix is irrigated with the salt solution that concentration is 4 ‰;
(2)Transplanting is processed:When maize seedling bears the root system that length is 6-8cm, dug in crop field and transplant cave, transplanted cave diameter and exist
30-50cm, depth in 25-30cm, at cave bottom, spill one layer and release slow urea, by corn transplantation of seedlings to cave, fills up original soil by uniform paving,
It is described to release slow urea when making, a layer thickness is uniformly wrapped for 1cm in urea surface, press 100 by bog soil, salt, water:2:
20 weight releases slow coating than what mixing was obtained, after the completion of coating, is baked under 65 DEG C of baking temperature 40 minutes;
(3)Growth period applies water management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, 5000 times of a manganese sulfate was poured every 5 days
Liquid, every plant is poured 100ml every time;At corn heading stage, in addition to rainy season, 3000 times of liquid of a manganese sulfate were poured every 10 days, it is every every time
500ml is poured in strain;The corn silking phase, in addition to rainy season, 1000 times of liquid of a manganese sulfate were poured every 15 days, every time every plant of pouring
300ml;The corn pustulation period, in addition to rainy season, 5000 times of liquid of a manganese sulfate were poured every 5 days, every time every plant of pouring 300ml;
(4)Growth period downgrades management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, a butyric acid was poured at root system every 2 days
Bacterium bacterium solution, butyric activity is 3 × 10 in the butyric bacterium solution3CFU/ml, every plant is poured 10ml every time.
A kind of method for subtracting nitrogen fertilizer application in embodiment 3, corn planting, specifically:
(1)Promote rooting treatment:The corn seed of full grains is selected, is sown into the matrix being mixed to get by seabed mud, Chaetoceros
Rush rooting treatment is carried out, Chaetoceros content is 1.5 × 10 in the seabed mud2Cell/g, depth of planting is 2.2cm, growth-promoting root
Processing stage, every 3 days, a matrix is irrigated with the salt solution that concentration is 3.5 ‰;
(2)Transplanting is processed:When maize seedling bears the root system that length is 6-8cm, dug in crop field and transplant cave, transplanted cave diameter and exist
30-50cm, depth in 25-30cm, at cave bottom, spill one layer and release slow urea, by corn transplantation of seedlings to cave, fills up original soil by uniform paving,
It is described to release slow urea when making, a layer thickness is uniformly wrapped for 0.9cm in urea surface, press 100 by bog soil, salt, water:
1.5:17 weight releases slow coating than what mixing was obtained, after the completion of coating, is baked under 62 DEG C of baking temperature 35 minutes;
(3)Growth period applies water management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, 5000 times of a manganese sulfate was poured every 5 days
Liquid, every plant is poured 70ml every time;At corn heading stage, in addition to rainy season, 3000 times of liquid of a manganese sulfate were poured every 10 days, every plant every time
Pour 480ml;The corn silking phase, in addition to rainy season, 1000 times of liquid of a manganese sulfate were poured every 15 days, every time every plant of pouring 250ml;
The corn pustulation period, in addition to rainy season, 5000 times of liquid of a manganese sulfate were poured every 5 days, every time every plant of pouring 250ml;
(4)Growth period downgrades management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, a butyric acid was poured at root system every 2 days
Bacterium bacterium solution, butyric activity is 2 × 10 in the butyric bacterium solution3CFU/ml, every plant is poured 7ml every time.
Below in conjunction with specific plantation contrast test, the present invention will be described:
Test material:Examination is agriculture China 101 for corn variety, and corn seed used is the corn that upper one year produces from same plantation place
Seed, experimental group, conventional group, control group 1, control group 2, control group 3, control group 4, control are randomly divided into by produced corn seed
Totally seven groups, every group 100 of group 5;
Test was carried out in 2015 in Zongyang County Jin She townshiies, and experimental field soil is loess, and each group plot soil fertility is close;
Wherein, experimental group carries out Cultivate administration according to the mode of embodiment 3;
Conventional group is managed according to ordinary maize planting patterns;
The cancellation step on the basis of embodiment 3 of control group 1(1)Growth-promoting root treatment process;
The cancellation step on the basis of embodiment 3 of control group 2(2)In uniformly wrap one layer in urea surface and release slow coating;
Control group 3 is on the basis of embodiment 3 by step(2)In slow urea of releasing be substituted for commercially available routine and release slow urea;
The cancellation step on the basis of embodiment 3 of control group 4(3);
The cancellation step on the basis of embodiment 3 of control group 5(4);
Wherein, experimental group, control group 1, control group 2, control group 3, control group 4, control group 5 only apply nitrogenous fertilizer, and nitrogen in cave
Fertile applied amount is identical, and conventional group applies nitrogenous fertilizer according to a conventional method(Urea), in addition, each group remaining way to manage all same;
During experiment, statistics each group maize seedling grows average time needed for 6-8cm corings, and off-test counts each group corn per mu yield,
Remaining each group applies to increase or decrease percentage relative to conventional group nitrogenous fertilizer, as a result see the table below 1:
Group | Maize seedling grows average time needed for 6-8cm corings(d) | Corn per mu yield(kg) | Apply to increase or decrease percentage for conventional group nitrogenous fertilizer(%) |
Experimental group | 5 | 662 | -45 |
Conventional group | 18 | 660 | - |
Control group 1 | 18 | 660 | -45 |
Control group 2 | 5 | 437 | -45 |
Control group 3 | 5 | 584 | -45 |
Control group 4 | 5 | 422 | -45 |
Control group 5 | 5 | 570 | -45 |
As shown in Table 1, amount of application of nitrogen fertilizer can be significantly reduced while per mu yield is ensured using the implantation methods of embodiment 3, will
Corn seed carries out rush rooting treatment in the matrix being mixed to get by seabed mud, Chaetoceros, can within a short period of time make corn
Seed Rapid development carries out applying special in corn growing season into the maize seedling with healthy and strong, thick, flourishing root system to milpa
System releases slow urea and rationally pours manganese sulfate dilution, appropriate butyric bacterium solution of pouring and downgrades, and has to reducing nitrogenous fertilizer mu amount of application
Significantly help.
Claims (4)
1. a kind of method for subtracting nitrogen fertilizer application in corn planting, it is characterised in that specific:
(1)Promote rooting treatment:The corn seed of full grains is selected, is sown into the matrix being mixed to get by seabed mud, Chaetoceros
Rush rooting treatment is carried out, depth of planting is 2-2.5cm, growth-promoting root processing stage, every 3 days, is poured with the salt solution that concentration is 3-4 ‰
A saturating matrix;
(2)Transplanting is processed:When maize seedling bears the root system that length is 6-8cm, dug in crop field and transplant cave, transplanted cave diameter and exist
30-50cm, depth in 25-30cm, at cave bottom, spill one layer and release slow urea, by corn transplantation of seedlings to cave, fills up original soil by uniform paving;
(3)Growth period applies water management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, 5000 times of a manganese sulfate was poured every 5 days
Liquid, every plant is poured 50-100ml every time;At corn heading stage, in addition to rainy season, 3000 times of liquid of a manganese sulfate were poured every 10 days, every time
Every plant of pouring 450-500ml;The corn silking phase, in addition to rainy season, 1000 times of liquid of a manganese sulfate were poured every 15 days, every plant is poured every time
Fill 200-300ml;The corn pustulation period, in addition to rainy season, 5000 times of liquid of a manganese sulfate were poured every 5 days, every time every plant of pouring 200-
300ml;
(4)Growth period downgrades management:After corn transplantation of seedlings-jointing stage, in addition to rainy season, a butyric acid was poured at root system every 2 days
Bacterium bacterium solution, every plant is poured 5-10ml every time.
2. the method for subtracting nitrogen fertilizer application in a kind of corn planting according to claim 1, it is characterised in that
Chaetoceros content is 1 × 10 in the seabed mud2-2×102cell/g。
3. the method for subtracting nitrogen fertilizer application in a kind of corn planting according to claim 1, it is characterised in that
It is described to release slow urea when making, a layer thickness is uniformly wrapped for 0.8-1cm in urea surface, by bog soil, salt, water
By 100:1-2:The weight of 15-20 releases slow coating than what mixing was obtained, after the completion of coating, in 60-65 DEG C of baking temperature
Under bake 30-40 minutes.
4. the method for subtracting nitrogen fertilizer application in a kind of corn planting according to claim 1, it is characterised in that
Butyric activity is 1 × 10 in the butyric bacterium solution3-3×103CFU/ml。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102351595A (en) * | 2011-06-30 | 2012-02-15 | 山东金正大生态工程股份有限公司 | Soil conditioning type controlled release fertilizer special for fruit vegetable in facility, and preparation and application thereof |
CN103749034A (en) * | 2013-12-31 | 2014-04-30 | 中国科学院南京土壤研究所 | Method for reducing nitrogen fertilizer in wheat-corn rotation system |
CN105993277A (en) * | 2016-05-10 | 2016-10-12 | 广西兆和种业有限公司 | Stable-yield and high-yield cultivation method for corn |
-
2017
- 2017-02-24 CN CN201710101607.2A patent/CN106856929A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102351595A (en) * | 2011-06-30 | 2012-02-15 | 山东金正大生态工程股份有限公司 | Soil conditioning type controlled release fertilizer special for fruit vegetable in facility, and preparation and application thereof |
CN103749034A (en) * | 2013-12-31 | 2014-04-30 | 中国科学院南京土壤研究所 | Method for reducing nitrogen fertilizer in wheat-corn rotation system |
CN105993277A (en) * | 2016-05-10 | 2016-10-12 | 广西兆和种业有限公司 | Stable-yield and high-yield cultivation method for corn |
Non-Patent Citations (1)
Title |
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鲁剑巍等: "《肥料使用技术手册》", 31 January 2010, 金盾出版社 * |
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