CN113248317A - Preparation method of leaf fertilizer for promoting rice maturity and improving rice yield - Google Patents

Preparation method of leaf fertilizer for promoting rice maturity and improving rice yield Download PDF

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Publication number
CN113248317A
CN113248317A CN202110648021.4A CN202110648021A CN113248317A CN 113248317 A CN113248317 A CN 113248317A CN 202110648021 A CN202110648021 A CN 202110648021A CN 113248317 A CN113248317 A CN 113248317A
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foliar fertilizer
rice
cfu
preparation
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李凤兰
冯哲
何流琴
印遇龙
刘娣
冯艳忠
吴建
贺付蒙
冯旭
徐永清
李柱刚
王丽娟
袁强
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Northeast Agricultural University
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C11/00—Other nitrogenous fertilisers
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for
    • A01G22/20—Cereals
    • A01G22/22—Rice
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
    • 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
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Botany (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a preparation method of a foliar fertilizer for promoting rice maturity and improving rice yield, which comprises the following steps: step 1, preparing a compound microorganism; step 2, adding the compound microorganisms, the sucrose, the compound amino acid and the clear water together according to a preset weight proportion, and uniformly stirring to obtain a mixed material; and 3, carrying out facultative fermentation on the mixed material at the temperature higher than 10 ℃ until the pH value is 2.8-3.2, and obtaining the foliar fertilizer after finishing the fermentation. The foliar fertilizer prepared by the method is used for rice planting, can promote rice maturity, increase the yield of rice and improve the rice yield of rice.

Description

Preparation method of leaf fertilizer for promoting rice maturity and improving rice yield
Technical Field
The invention belongs to the technical field of fertilizers, and particularly relates to a preparation method of a foliar fertilizer for promoting rice maturity and improving rice yield.
Background
With the promotion of urbanization in China and the continuous improvement of living standard of people, the grain yield and quality gradually become key factors influencing the sustainable development of the society in China. The rice is the first large grain crop in China, and under the condition that the agricultural cultivated land area is gradually reduced, how to improve the yield per unit of the rice and the quality of the rice becomes a long-term difficult problem facing the rice planting industry.
In the growth cycle of rice, the grain filling period is a key period influencing the high and low yield of rice, and the greedy and premature senility of rice plants can be prevented by applying granular fertilizer, so that the rice is promoted to mature, and the yield and the quality of rice are improved.
Therefore, the development of the fertilizer for promoting the rice maturity and improving the rice yield is of great significance to the sustainable development of the society and agriculture in China.
Disclosure of Invention
In order to solve the technical problems, the invention provides a preparation method of a foliar fertilizer for promoting rice maturity and improving rice yield, which promotes rice maturity and improves rice yield and quality.
In a first aspect, the invention provides a preparation method of a foliar fertilizer for promoting rice maturity and improving rice yield, which comprises the following steps:
step 1, preparing a compound microorganism;
step 2, adding the compound microorganisms, the sucrose, the compound amino acid and the clear water together according to a preset weight proportion, and uniformly stirring to obtain a mixed material;
and 3, carrying out facultative fermentation on the mixed material at the temperature higher than 10 ℃ until the pH value is 2.8-3.2, and obtaining the foliar fertilizer after finishing the fermentation.
Preferably, in step 1, the compound microorganism is composed of lactic acid bacteria, yeast, photosynthetic bacteria and spore bacteria, and the weight ratio of the four components is: the lactobacillus is saccharomycete, photosynthetic bacteria and spore bacteria, and the ratio is 8-9: 2-3.
Preferably, the lactic acid bacteria consist of lactobacillus delbrueckii and lactobacillus acidophilus, and the weight ratio of the two lactic acid bacteria is as follows: lactobacillus delbrueckii, lactobacillus acidophilus 1: 3;
the yeast consists of saccharomyces cerevisiae and issatchenkia orientalis, and the weight ratio of the two yeasts is as follows: saccharomyces cerevisiae, Issatchenkia orientalis 1: 4;
the photosynthetic bacteria consist of rhodospirillum rubrum and rhodopseudomonas acidophilus, and the weight ratio of the two photosynthetic bacteria is as follows: rhodospirillum rubrum, rhodopseudomonas acidophilus 1: 2;
the bacillus is composed of bacillus megatherium and bacillus pumilus, and the weight ratio of the two kinds of bacillus is as follows: bacillus megaterium, bacillus pumilus 1: 5.
Preferably, the bacterium content of the lactobacillus delbrueckii is more than or equal to 3.0 multiplied by 1011cfu/mL, the bacterium content of the lactobacillus acidophilus is more than or equal to 3.0 multiplied by 1011cfu/mL, the bacteria content of the saccharomyces cerevisiae is more than or equal to 4.0 multiplied by 109cfu/mL, the content of the Issatchenkia orientalis is more than or equal to 4.0 multiplied by 109cfu/mL, the bacterium content of the rhodospirillum rubrum is more than or equal to 2.0 multiplied by 1010cfu/mL, the bacterium content of the rhodopseudomonas acidophilus is more than or equal to 2.0 multiplied by 1010cfu/mL, the bacterium content of the bacillus megaterium is more than or equal to 2.5 multiplied by 109cfu/mL, the bacterium content of the bacillus pumilus is more than or equal to 2.5 multiplied by 109cfu/mL。
Preferably, the weight ratio of the four raw materials in step 2 is: the composite microorganism comprises cane sugar, composite amino acid and clear water, wherein the clear water accounts for 14-18: 4-5: 2-3: 180-200.
Preferably, the weight ratio of the four raw materials in step 2 is: the compound microorganism is sucrose, compound amino acid and clear water, wherein the ratio of the compound amino acid to the clear water is 7:2:1: 90.
Preferably, the sucrose in step 2 is brown sugar.
In a second aspect, the invention provides a foliar fertilizer which is prepared according to the preparation method of the foliar fertilizer.
In a third aspect, the invention provides an application method of the foliar fertilizer, wherein the foliar fertilizer is diluted by clear water before rice harvesting and then sprayed on rice foliar surfaces.
Preferably, the application amount of the foliar fertilizer is 15-30L/hm2The dilution multiple of the foliar fertilizer is 10-15 times, and the application time of the foliar fertilizer is 14-16 days before harvesting of rice.
The foliar fertilizer prepared by the method is used for rice planting, can promote rice maturity, increase the yield of rice and improve the rice yield of rice.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. It should be understood that the examples are illustrative only and are not limiting upon the scope of the invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
In the following description, all methods involved are conventional in the art unless otherwise specified. The starting materials mentioned are all those which are commercially available from the public unless otherwise specified.
In one embodiment of the invention, the preparation method of the foliar fertilizer for promoting rice maturity and improving rice yield comprises the following steps:
1) preparing the compound microorganism. The compound microorganism in the step consists of lactic acid bacteria, saccharomycetes, photosynthetic bacteria and spore bacteria. The weight proportion of the four bacteria is as follows: the lactobacillus is saccharomycete, photosynthetic bacteria and spore bacteria, and the ratio is 8-9: 2-3. The Lactobacillus consists of Lactobacillus delbrueckii and Lactobacillus acidophilus in the weight ratio of 1 to 3, and the bacterium content of the Lactobacillus delbrueckii is not less than 3.0X 1011cfu/mL, the bacterium content of lactobacillus acidophilus is more than or equal to 3.0 multiplied by 1011cfu/mL. The yeast comprises Saccharomyces cerevisiae (Saccharomyces cerevisiae) and Issatchenkia orientalis (Issatchenkia orientalis), wherein the weight ratio of the two yeasts is that the Saccharomyces cerevisiae is Issatchenkia orientalis 1:4, and the bacterial content of the Saccharomyces cerevisiae is more than or equal to 4.0 multiplied by 109cfu/mL, the content of Issatchenkia orientalis is more than or equal to 4.0 multiplied by 109cfu/mL. The photosynthetic bacteria comprise Rhodospirillum rubrum (Rhodospirillum rubrum) and Rhodopseudomonas acidophilus (Rhodopseudomonas acidophilus) at a weight ratio of Rhodospirillum rubrum to Rhodopseudomonas acidophilus of 1:2, and the content of Rhodospirillum rubrum is not less than 2.0 × 1010cfu/mL, the bacterium content of the rhodopseudomonas acidophilus is more than or equal to 2.0 multiplied by 1010cfu/mL. The Bacillus consists of Bacillus megaterium and Bacillus pumilus in the weight ratio of 1 to 5, and the Bacillus megaterium has bacteria content not lower than 2.5 x 109cfu/mL, the bacterium content of the bacillus pumilus is more than or equal to 2.5 multiplied by 109cfu/mL。
The eight bacterial liquids can be prepared by adopting commercially available qualified products or by self, and are preferably prepared by the inventor.
2) Preparing a mixed material. Weighing the composite microorganism, the sucrose, the composite amino acid and the clear water according to a preset weight proportion, adding the four raw material components into the same fermentation tank, and uniformly stirring to obtain a mixed material. The weight ratio of the four raw material components is preferably as follows: the composite microorganism comprises cane sugar and composite amino acid, wherein clear water accounts for 14-18: 4-5: 2-3: 180-200. More preferably, the microorganism is a complex microorganism, sucrose, complex amino acid, and clear water 7:2:1: 90. The sucrose is preferably one, two or more of white sugar, brown sugar, soft white sugar, brown sugar or brown sugar, and more preferably brown sugar.
3) And (5) fermenting. And (3) carrying out facultative fermentation on the mixed material at the temperature higher than 10 ℃, and finishing fermentation when the pH value of the material is 2.8-3.2, wherein the fermented product is used as a foliar fertilizer.
In another specific embodiment of the invention, when the foliar fertilizer is applied, the foliar fertilizer is applied according to the proportion of 15-30L/hm2The application amount of the fertilizer is 10-15 times diluted, and then the fertilizer is uniformly sprayed on the leaf surfaces of rice plants 14-16 days before the rice is harvested.
In order to help better understand the technical scheme of the invention, the following examples are provided for illustrating the preparation method and the application method of the foliar fertilizer for promoting the rice maturity and improving the rice yield.
Example one
The preparation method of the foliar fertilizer comprises the following steps:
1) preparing the compound microorganism. The method mainly comprises three substeps of preparing single-strain bacterial liquid, compound bacterial liquid and compound microbial liquid, and the specific process is as follows:
firstly, the inventor prepares a lactobacillus delbrueckii bacterial liquid, a lactobacillus acidophilus bacterial liquid, a saccharomyces cerevisiae bacterial liquid, an issatchenkia orientalis bacterial liquid, a rhodospirillum rubrum bacterial liquid, a rhodopseudomonas acidophilus bacterial liquid, a bacillus megaterium bacterial liquid and a bacillus pumilus bacterial liquid by oneself. Respectively preserving Lactobacillus delbrueckii, Lactobacillus acidophilus, Saccharomyces cerevisiae, Issatchenkia orientalis, Rhodospirillum rubrum, Rhodopseudomonas acidophilus, Bacillus megaterium and Bacillus pumilusActivating the strain, enlarging culture to prepare liquid seed liquid, inoculating to corresponding liquid fermentation culture medium, and fermenting and culturing to obtain liquid culture. The bacterial contents of the eight single-strain bacterial liquids are respectively as follows: the bacterium content of Lactobacillus delbrueckii is not less than 3.0 × 1011cfu/mL, the bacterium content of lactobacillus acidophilus is more than or equal to 3.0 multiplied by 1011cfu/mL, the bacteria content of the saccharomyces cerevisiae is more than or equal to 4.0 multiplied by 109cfu/mL, the content of Issatchenkia orientalis is more than or equal to 4.0 multiplied by 109cfu/mL, the bacterium content of rhodospirillum rubrum is more than or equal to 2.0 multiplied by 1010cfu/mL, the bacterium content of the rhodopseudomonas acidophilus is more than or equal to 2.0 multiplied by 1010cfu/mL, the bacteria content of the bacillus megaterium is more than or equal to 2.5 multiplied by 109cfu/mL, the bacterium content of the bacillus pumilus is more than or equal to 2.5 multiplied by 109cfu/mL。
Secondly, the inventor compounds lactobacillus delbrueckii bacterial liquid and lactobacillus acidophilus bacterial liquid into lactobacillus bacterial liquid according to the weight ratio of 1:3, compounds saccharomyces cerevisiae bacterial liquid and issatchenkia orientalis bacterial liquid into saccharomycete bacterial liquid according to the weight ratio of 1:4, compounds rhodospirillum rubrum bacterial liquid and pseudomonas acidophilus bacterial liquid into photosynthetic bacteria bacterial liquid according to the weight ratio of 1:2, and compounds bacillus megaterium bacterial liquid and bacillus pumilus bacterial liquid into bacillus bacterial liquid according to the weight ratio of 1: 5.
Finally, the inventor mixes 40kg of lactobacillus solution, 10kg of saccharomycete solution, 10kg of photosynthetic bacteria solution and 10kg of spore bacteria solution to obtain the composite microbial solution 1.
2) Preparing a mixed material. Weighing 20kg of brown sugar, 10kg of compound amino acid and 900kg of clear water, adding the compound microbial liquid 1, the brown sugar, the compound amino acid and the clear water into the same fermentation tank, and uniformly stirring to obtain a mixed material.
3) Carrying out facultative fermentation on the mixed material obtained in the step 2) at the temperature higher than 10 ℃, and finishing the fermentation when the pH value of the material is 3.2 to obtain the foliar fertilizer 1.
When the foliar fertilizer 1 is applied, the concentration is 15L/hm2The application amount of the fertilizer is that the fertilizer is diluted by 10 times with clear water and then is evenly sprayed on the leaf surfaces of rice plants 14 days before the rice is harvested.
Example two
The preparation method of the foliar fertilizer comprises the following steps:
1) preparing the compound microorganism. Firstly, preparing single-strain bacterial liquid and compound bacterial liquid by the same method as the first embodiment, and then mixing 42kg of lactic acid bacteria liquid, 13kg of saccharomycete liquid, 12kg of photosynthetic bacteria liquid and 13kg of spore bacteria liquid to obtain the compound microbial liquid 2.
2) Preparing a mixed material. Weighing 22kg of brown sugar, 13kg of compound amino acid and 950kg of clear water, adding the compound microbial liquid 2, the brown sugar, the compound amino acid and the clear water into the same fermentation tank, and uniformly stirring to obtain a mixed material.
3) Carrying out facultative fermentation on the mixed material obtained in the step 2) at the temperature higher than 10 ℃, and finishing the fermentation when the pH value of the material is 3.0 to obtain the foliar fertilizer 2.
When the foliar fertilizer 2 is applied, the concentration is 23L/hm2The application amount of the fertilizer is that the fertilizer is diluted by 13 times with clear water and then is evenly sprayed on the leaf surfaces of rice plants 15 days before the rice is harvested.
EXAMPLE III
The preparation method of the foliar fertilizer comprises the following steps:
1) preparing the compound microorganism. Firstly, preparing single-strain bacterial liquid and compound bacterial liquid by the same method as the first embodiment, and then mixing 45kg of lactobacillus bacterial liquid, 15kg of saccharomycete bacterial liquid, 15kg of photosynthetic bacteria bacterial liquid and 15kg of spore bacteria bacterial liquid to obtain the compound microbial liquid 3.
2) Preparing a mixed material. Weighing 25kg of brown sugar, 15kg of compound amino acid and 1000kg of clear water, adding the compound microbial liquid 3, the brown sugar, the compound amino acid and the clear water into the same fermentation tank, and uniformly stirring to obtain a mixed material.
3) Carrying out facultative fermentation on the mixed material obtained in the step 2) at the temperature higher than 10 ℃, and finishing the fermentation when the pH value of the material is 2.8 to obtain the foliar fertilizer 3.
When the foliar fertilizer 3 is applied, the concentration is 30L/hm2The application amount of the fertilizer is that the fertilizer is firstly diluted by 15 times by clear water and then is evenly sprayed on the leaves of rice plants 16 days before the rice is harvestedOn the face.
In order to make those skilled in the art better understand the technical scheme of the present invention, the following provides a test example of foliar fertilizer on rice planting for illustrating the application effect of the present invention.
Test example influence of leaf fertilizer for promoting rice maturity and improving rice yield on rice growth
The same rice field is selected in the Helan county of Heilongjiang province, and the basic physicochemical properties of the field soil are as follows: pH6.23, organic matter content of 27g/kg, total nitrogen content of 1.28g/kg, quick-acting nitrogen content of 114mg/kg, quick-acting phosphorus content of 24.2mg/kg and quick-acting potassium content of 118 mg/kg. 4 groups of experimental designs, including 3 experimental groups and 1 control group, each group of experimental designs 3 experimental cells, each area of the experimental cells is 25m2All test cells are randomly distributed.
In the filling period of rice, three test groups are respectively sprayed with three foliar fertilizers prepared by the invention, and the specific application method comprises the following steps: test group 1, according to 15L/hm2The application amount of the foliar fertilizer is that firstly the foliar fertilizer 1 is diluted by 10 times by using clear water, and then the foliar fertilizer is uniformly sprayed on the leaf surfaces of rice plants 14 days before the rice is harvested; test group 2, according to 23L/hm2The application amount of the foliar fertilizer is that firstly, the foliar fertilizer 2 is diluted by 13 times by using clear water, and then, the diluted foliar fertilizer is uniformly sprayed on the leaf surfaces of rice plants 15 days before the rice is harvested; test group 3, according to 30L/hm2The application amount of the foliar fertilizer is that the foliar fertilizer 3 is diluted by 15 times by using clear water and then is uniformly sprayed on the leaf surfaces of rice plants 16 days before the rice is harvested. The control group was sprayed with the same amount of clear water as the test group 2 without applying a foliar fertilizer.
Dongnong 425 is selected as a test variety according to 65kg/hm in middle ten days of 4 months2The sowing amount of the seeds is adopted for sowing, the same conventional management is adopted for each district, and the seeds are harvested in the last 9 months. Before harvesting rice, 20 plants are randomly selected from each cell for seed test, and the plant height, the effective spike number, the grain number per spike, the maturing rate and the thousand seed weight are measured. In addition, before harvesting, each plot was sampled diagonally, 20 plants were harvested continuously at each point, threshed, husked, and the rice yield was measured with a precision machine. After harvesting, the rice yield of each cell was counted. The results are shown in Table 1.
TABLE 1
Figure BDA0003109979810000061
As can be seen from the data in Table 1, the effective spike number, the spike grain number, the maturing rate, the thousand grain weight, the rice yield and the yield of the rice in the residential area of the rice applied with the foliar fertilizer 1-3 are all obviously higher than those of the control group. Compared with a control group, the foliar fertilizer can obviously promote the maturity of rice and improve the yield and the rice yield of the rice.
The foliar fertilizer prepared by the preparation method of the invention is used for planting rice, can promote the maturity of the rice and improve the yield and the rice yield of the rice.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification, or any other related technical fields directly or indirectly, are included in the scope of the present invention.

Claims (10)

1. A preparation method of a foliar fertilizer for promoting rice maturity and improving rice yield comprises the following steps:
step 1, preparing a compound microorganism;
step 2, adding the compound microorganisms, the sucrose, the compound amino acid and the clear water together according to a preset weight proportion, and uniformly stirring to obtain a mixed material;
and 3, carrying out facultative fermentation on the mixed material at the temperature higher than 10 ℃ until the pH value is 2.8-3.2, and obtaining the foliar fertilizer after finishing the fermentation.
2. The preparation method of the foliar fertilizer as claimed in claim 1, characterized in that:
in the step 1, the compound microorganism consists of lactic acid bacteria, saccharomycetes, photosynthetic bacteria and bacillus, and the weight ratio of the four components is as follows: the lactobacillus is saccharomycete, photosynthetic bacteria and spore bacteria, and the ratio is 8-9: 2-3.
3. The preparation method of the foliar fertilizer as claimed in claim 2, characterized in that:
the lactobacillus consists of lactobacillus delbrueckii and lactobacillus acidophilus, and the weight ratio of the two lactobacillus is as follows: lactobacillus delbrueckii, lactobacillus acidophilus 1: 3;
the yeast consists of saccharomyces cerevisiae and issatchenkia orientalis, and the weight ratio of the two yeasts is as follows: saccharomyces cerevisiae, Issatchenkia orientalis 1: 4;
the photosynthetic bacteria consist of rhodospirillum rubrum and rhodopseudomonas acidophilus, and the weight ratio of the two photosynthetic bacteria is as follows: rhodospirillum rubrum, rhodopseudomonas acidophilus 1: 2;
the bacillus is composed of bacillus megatherium and bacillus pumilus, and the weight ratio of the two kinds of bacillus is as follows: bacillus megaterium, bacillus pumilus 1: 5.
4. The preparation method of the foliar fertilizer as claimed in claim 3, characterized in that:
the bacterium content of the Lactobacillus delbrueckii is more than or equal to 3.0 multiplied by 1011cfu/mL, the bacterium content of the lactobacillus acidophilus is more than or equal to 3.0 multiplied by 1011cfu/mL, the bacteria content of the saccharomyces cerevisiae is more than or equal to 4.0 multiplied by 109cfu/mL, the content of the Issatchenkia orientalis is more than or equal to 4.0 multiplied by 109cfu/mL, the bacterium content of the rhodospirillum rubrum is more than or equal to 2.0 multiplied by 1010cfu/mL, the bacterium content of the rhodopseudomonas acidophilus is more than or equal to 2.0 multiplied by 1010cfu/mL, the bacterium content of the bacillus megaterium is more than or equal to 2.5 multiplied by 109cfu/mL, the bacterium content of the bacillus pumilus is more than or equal to 2.5 multiplied by 109cfu/mL。
5. The preparation method of the foliar fertilizer as claimed in claim 1, characterized in that:
the weight ratio of the four raw materials in the step 2 is as follows: the composite microorganism comprises cane sugar, composite amino acid and clear water, wherein the clear water accounts for 14-18: 4-5: 2-3: 180-200.
6. The preparation method of the foliar fertilizer as claimed in claim 1, characterized in that:
the weight ratio of the four raw materials in the step 2 is as follows: the compound microorganism is sucrose, compound amino acid and clear water, wherein the ratio of the compound amino acid to the clear water is 7:2:1: 90.
7. The preparation method of the foliar fertilizer as claimed in claim 1, characterized in that:
the sucrose in the step 2 is brown sugar.
8. A foliar fertilizer is characterized in that:
the foliar fertilizer is prepared according to the preparation method of the foliar fertilizer as claimed in any one of claims 1 to 7.
9. The application method of the foliar fertilizer as claimed in claim 8, characterized in that:
before harvesting the rice, diluting the foliar fertilizer with clear water, and then spraying the foliar fertilizer on the rice leaf surfaces.
10. The method of application according to claim 9, characterized in that:
the application amount of the foliar fertilizer is 15-30L/hm2The dilution multiple of the foliar fertilizer is 10-15 times, and the application time of the foliar fertilizer is 14-16 days before harvesting of rice.
CN202110648021.4A 2021-06-10 2021-06-10 Preparation method of leaf fertilizer for promoting rice maturity and improving rice yield Pending CN113248317A (en)

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Publication number Priority date Publication date Assignee Title
CN113796391A (en) * 2021-08-25 2021-12-17 北京东方力原生物科技有限公司 Biological dormancy breaking agent

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