CN111056876A - Fertilizer composition, preparation method and application - Google Patents
Fertilizer composition, preparation method and application Download PDFInfo
- Publication number
- CN111056876A CN111056876A CN201911266473.5A CN201911266473A CN111056876A CN 111056876 A CN111056876 A CN 111056876A CN 201911266473 A CN201911266473 A CN 201911266473A CN 111056876 A CN111056876 A CN 111056876A
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- sugar alcohol
- fertilizer composition
- composition
- zinc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Abstract
The invention belongs to the technical field of agricultural chemistry, and particularly relates to a fertilizer composition, and a preparation method and application thereof. The effective components in the foliar fertilizer composition comprise amino-oligosaccharin and sugar alcohol potassium calcium zinc. The amino-oligosaccharin and the sugar alcohol potassium, calcium and zinc have synergistic and complementary effects on promoting the growth of crops and preventing and treating crop diseases, and can be used as an excellent fertilizer composition. The invention also provides a preparation method and application of the composition. The test result shows that the composition of the invention has the effects of promoting the health of crops, improving the yield of the crops and preventing and controlling the diseases of the crops.
Description
Technical Field
The invention belongs to the technical field of agricultural chemistry, and particularly relates to a fertilizer composition, and a preparation method and application thereof.
Background
The amino-oligosaccharin (chitosan oligosaccharide) is an oligosaccharide formed by connecting D-glucosamine with β -1.4 glycosidic bonds, is prepared by degrading chitin to obtain chitosan, or is a low-toxicity fungicide extracted by microbial fermentation, can inhibit the growth of some germs, influence fungal spore germination, induce morphological variation, change of spore inside, and the like, can excite genes in plants, generate chitinase, glucanase, preservative, PR protein and the like with disease-resistant effects, has cell activation effects, is beneficial to the recovery of damaged plants, promotes root growth, strengthens seedlings, enhances the stress resistance of crops, promotes the growth of plants, has the effects of killing virus, bacteria, fungi, viruses, bacteria, viruses, mildew, anthracnose, blight, phytophthora rot, blight, mildew.
The sugar alcohol potassium calcium zinc is a chelate formed by chelating potassium calcium zinc element and sugar alcohol, and containing trace elements which can be absorbed by plants, compared with the common foliar fertilizer, the sugar alcohol chelated potassium calcium zinc is easier to be absorbed by the plants, and is easier to be transported to the parts needing the trace elements through the vascular bundle system of the plants, thereby realizing better utilization.
No report on the fertilizer composition of amino-oligosaccharin and sugar alcohol potassium calcium zinc is found at present.
Disclosure of Invention
The invention discloses a foliar fertilizer composition, which is a fertilizer product with high utilization rate, safety and environmental protection. The effective components of the fertilizer comprise amino-oligosaccharin, sugar alcohol and sugar alcohol potassium calcium zinc, and the inventor finds that the amino-oligosaccharin and the sugar alcohol potassium calcium zinc have synergistic and complementary effects in the aspects of promoting the growth of crops and preventing and treating crop diseases through research, and can be used as an excellent fertilizer combination. The invention also provides a preparation method and application of the composition. The test result shows that the composition of the invention has the effects of promoting the health of crops, improving the yield of the crops and preventing and controlling the diseases of the crops.
The technical scheme of the invention is as follows:
a fertilizer composition comprises amino-oligosaccharin and sugar alcohol potassium calcium zinc as effective components.
Wherein, sugar alcohol potassium calcium zinc is sugar alcohol potassium calcium zinc stock solution, the sugar alcohol potassium calcium zinc stock solution comprises 32 percent of monopotassium phosphate, more than or equal to 180g/L of calcium, more than or equal to 120g/L of zinc, more than or equal to 200g/L of sugar alcohol, and water for 100 percent.
The weight ratio of the amino-oligosaccharin mother liquor to the sugar alcohol potassium calcium zinc stock solution is 1: 20-20: 1.
Furthermore, the weight ratio of the amino-oligosaccharin mother liquor to the sugar alcohol potassium-calcium-zinc stock liquor is 1: 10-10: 1.
Furthermore, the composition can also contain trace elements except the macroelements or a mixture of the macroelements and the trace elements except the sugar alcohol potassium calcium zinc stock solution.
Further, the trace elements refer to nutrient elements essential for plant growth, and include one or more elements of sulfur, iron, manganese, copper, boron, molybdenum, chlorine, nickel, silicon, sodium and cobalt. The macroelements comprise one or more of nitrogen, phosphorus and potassium.
In order to further improve the effect of the invention, the composition of the invention can be added with a synergist, including a spreading agent, an anti-volatile agent, an antioxidant and the like.
The fertilizer composition is a liquid type compound foliar fertilizer, preferably a liquid fertilizer; further preferably, the liquid fertilizer may be processed into a soluble agent depending on the subject of application.
The preparation method of the fertilizer composition is a preparation method of a soluble agent, and comprises the following steps:
1) crushing, granulating, drying and cooling potassium dihydrogen phosphate, calcium oxide and zinc sulfate to obtain raw powder;
2) mixing the sugar alcohol chelating agent with raw powder prepared from potassium, calcium and zinc, and chelating at 70-75 ℃ for three hours to obtain sugar alcohol potassium, calcium and zinc stock solution;
3) uniformly mixing the amino-oligosaccharin mother liquor with sugar alcohol potassium calcium zinc stock solution;
4) adding ethanol and Tween 60 according to actual application requirements;
5) adding water to complement to 100%;
6) quantitatively packaging to obtain soluble solution of the fertilizer composition.
Furthermore, the fertilizer composition disclosed by the invention is applied to preventing and treating crop diseases, promoting crop growth and improving crop yield. Further, the fertilizer composition of the present invention is applied together with a pesticide or a fertilizer, and further, the fertilizer composition of the present invention is processed together with a pesticide or a fertilizer into a bio-fertilizer or a bio-pesticide.
In practical application, the composition of the invention can be applied together with other pesticides or fertilizers according to the types of crops, different periods of crop growth, soil moisture or crop disease conditions and other environments, and can also be selectively processed into appropriate dosage forms together with the composition of the invention, such as biological fertilizers or biological pesticides.
The beneficial effect of the invention is that,
the synergy and complementary action of the amino-oligosaccharin and the sugar alcohol potassium calcium zinc are shown in the following concrete points:
1. has obvious disease resistance effect on crops. When the sugar alcohol potassium calcium zinc is applied to the surfaces of crops, the sugar alcohol potassium calcium zinc can be decomposed into potassium element, calcium element and zinc element, the amino-oligosaccharin can be used as a bactericide to directly act on the surfaces of the plants, the prevention and treatment effects on plant diseases are achieved, the utilization rate of sugar alcohol and the duration of the usage of the bactericide can be improved, the amino-oligosaccharin can activate the inherent disease-resistant and stress-resistant activity of the crops, and the sugar alcohol potassium calcium zinc has a synergistic effect on the prevention and control of the diseases of the crops.
2. Can improve the fertilizer absorption and utilization rate of crops. When the sugar alcohol potassium calcium zinc is sprayed on plants as a foliar fertilizer, the potassium element, the calcium element and the zinc element in the sugar alcohol potassium calcium zinc can be gradually released, only a small part of the sugar alcohol potassium calcium zinc can be absorbed and utilized by the plants, and a large part of the sugar alcohol potassium calcium zinc can be lost along with water, while the amino oligosaccharins can be used as a good fertilizer synergist, so that the sugar alcohol potassium calcium zinc foliar fertilizer has strong water and fertilizer retention functions, can reduce the water loss in leaves and the loss of the potassium element, the calcium element and the zinc element, and improves the absorption and utilization rate of the fertilizer by crops.
3. The amino-oligosaccharin and the sugar alcohol potassium, calcium and zinc are combined, and the fertilizer is combined into one, so that repeated spraying of fertilizer and bactericide by a user can be reduced, agricultural investment is reduced, and labor cost is saved.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The percentages in all formulations in the following examples are in weight percent (in percent). Various processing techniques of the foliar fertilizer are the prior art and can be changed according to different conditions.
Examples section
Foliar fertilizers prepared according to the processing method of the solubles in the present specification are shown in table 1 below.
Table 1 examples table
Field verification test
(I) test for verifying tomato yield increase and disease control by using fertilizer composition
The experiment is carried out in 2018 in vegetable greenhouses of farmers in Binzhou city, Maxing county, Shandong province 2-6 months.
The experimental soil is yellow moisture soil with general fertility, the total nitrogen content of the soil is 660.1 mg/kg < -1 >, the quick-acting phosphorus content of the soil is 12.00 mg/kg < -1 >, the quick-acting potassium content of the soil is 62.00 mg/kg < -1 >, the organic matter content of the soil is 10.80 g/kg < -1 >, and the pH value of the soil is 8.25.
The experimental variety is Lisheng No. 1, seeding is carried out in 10 days in 2 months, No. 25 planting in 2 months, and No. 10 harvesting in 5 months. The experiment set up 22 processes, each of which set up 3 repetitions for a total of 66 cells. The random block arrangement is adopted, and the area of each cell is 10m2。
The use amount is as follows: the fertilizer of the invention is used by 60ml per mu, the contrast fertilizers of monopotassium phosphate, zinc saccharate and calcium saccharate are respectively used by 60ml per mu, and the dosage of amino-oligosaccharin is respectively 60g per mu. Other conventional nitrogenous fertilizer, phosphate fertilizer and potash fertilizer are normally applied in each treatment, and the water and fertilizer management is consistent.
And measuring the plant height, the single fruit weight, the yield, the vitamin C content and the soluble sugar content of tomato plants in the tomato harvesting period, and measuring the occurrence index of tomato virus diseases.
The results of the fertilizer composition of the present invention on tomato growth test are shown in table 2.
Table 2 leaf fertilizer composition of the present invention versus tomato growth test assay determination
As can be seen from Table 2, the combined use of the sugar alcohol, the potassium, the calcium and the zinc stock solution and the amino-oligosaccharin can obviously improve the yield, the vitamin C content and the soluble sugar content of the tomatoes, has good control effect on tomato virus diseases, and has lasting drug effect. The combination of sugar alcohol potassium calcium zinc stock solution and amino-oligosaccharin can improve the absorption utilization rate of sugar alcohol calcium potassium zinc in soil by tomato and avoid fertilizer loss. On the other hand, the amino-oligosaccharin has a synergistic effect and a good slow control effect on the decomposed sugar alcohol for preventing and treating tomato diseases, and can improve the control effect duration of potassium, calcium and zinc glucitol.
(II) test for verifying yield increase and disease control of watermelons by using fertilizer composition
The experiment is carried out in 2018 in the field of watermelons of a certain farmer in east-Tai City of Jiangsu province in 3-6 months.
The experimental soil is garden soil with general fertility, the total nitrogen content of the soil is 1915mg/kg, the quick-acting phosphorus content of the soil is 34.62mg/kg, the quick-acting potassium content of the soil is 65.92mg/kg, the organic matter content of the soil is 18.03g/kg, and the exchangeable zinc content of the soil is 55.26 mg/kg; the soil pH was 5.21.
The experimental variety is 8424, the seeds are sown in 3 months and 2 days, the field planting is carried out in 3 months and 24 days, and the seeds are harvested in 7 months and 10 days. The experiment set up 22 processes, each of which set up 3 repetitions for a total of 66 cells. The random block arrangement is adopted, and the area of each cell is 20m2Specification: 8m 2.5 m. The test adopts a double-furrow opposite-climbing cultivation mode for the melon vines, the furrow width is 2.5m, the plant spacing is 0.8m, and 20 plants are planted in each cell.
Application amount: the fertilizer disclosed by the invention is used by 60ml per mu, the contrast fertilizers are potassium dihydrogen phosphate, zinc glycolate and calcium alditol which are used by 60ml per mu respectively, the contrast fertilizers are amino oligosaccharins which are used by 60g per mu respectively, and other conventional nitrogenous fertilizers, phosphate fertilizers and potash fertilizers are applied normally and are consistent in water and fertilizer management.
And (3) measuring the weight, yield, soluble solid, sugar content and vitamin C content of a single watermelon in the watermelon harvesting period, and measuring the occurrence index of the watermelon fusarium wilt.
The test results for verifying the yield increase and the disease control of watermelons by using the fertilizer composition are shown in table 3.
TABLE 3 verification of watermelon yield increase and disease control test by foliar fertilizer of the invention
As can be seen from Table 3, the combined use of the sugar alcohol potassium, calcium, zinc and amino-oligosaccharins can remarkably promote the growth of watermelons, mainly shows that the fruit weight is increased, the unit yield is increased, the sugar acid content and the soluble solid content are increased, the quality of the watermelons is improved, and the watermelon wilt prevention effect is good. The sugar alcohol potassium calcium zinc and the amino-oligosaccharin have good complementary action.
While the invention has been described in detail by reference to and in connection with the preferred embodiments, the invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A fertilizer composition characterized in that the active ingredients in the composition comprise amino-oligosaccharin and sugar alcohol potassium calcium zinc.
2. The fertilizer composition as claimed in claim 1, wherein the sugar alcohol potassium calcium zinc is a sugar alcohol potassium calcium zinc stock solution consisting of 32% potassium dihydrogen phosphate, calcium greater than or equal to 180g/L, zinc greater than or equal to 120g/L, sugar alcohol greater than or equal to 200g/L, and water to make up 100%.
3. The fertilizer composition of claim 1, wherein the weight ratio of the amino-oligosaccharin mother liquor to the sugar alcohol potassium calcium zinc stock liquor is 1: 20-20: 1.
4. The fertilizer composition of claim 3, wherein the weight ratio of the amino-oligosaccharin mother liquor to the sugar alcohol potassium calcium zinc stock liquor is 1: 10-10: 1.
5. The fertilizer composition of claim 1, wherein the composition further comprises trace elements other than the macroelements, or a mixture of the macroelements and trace elements other than the sugar alcohol potassium calcium zinc stock solution.
6. The fertilizer composition as claimed in claim 5, wherein the trace elements are essential nutrients for plant growth, and include one or more elements selected from sulfur, iron, manganese, copper, boron, molybdenum, chlorine, nickel, silicon, sodium and cobalt; the macroelements comprise one or more of nitrogen, phosphorus and potassium.
7. The fertilizer composition of claim 1 wherein said composition further comprises a synergist selected from the group consisting of a spreading agent, an anti-volatile agent, and an antioxidant.
8. The fertilizer composition of claim 1, wherein the fertilizer composition is a liquid type complex foliar fertilizer, preferably a liquid fertilizer; further preferably, the liquid fertilizer is a soluble agent.
9. The method of producing a fertilizer composition according to claim 1, wherein the method of producing a soluble agent comprises the steps of:
1) crushing, granulating, drying and cooling potassium dihydrogen phosphate, calcium oxide and zinc sulfate to obtain raw powder;
2) mixing the sugar alcohol chelating agent with raw powder prepared from potassium, calcium and zinc, and chelating at 70-75 ℃ for three hours to obtain sugar alcohol potassium, calcium and zinc stock solution;
3) uniformly mixing the amino-oligosaccharin mother liquor with sugar alcohol potassium calcium zinc stock solution;
4) adding ethanol and Tween 60 according to actual application requirements;
5) adding water to complement to 100%;
6) quantitatively packaging to obtain soluble solution of the fertilizer composition.
10. The use of a fertilizer composition according to claim 1 for controlling crop diseases, promoting crop growth, increasing crop yield; further, the fertilizer composition is applied together with a pesticide or a fertilizer, and further, the fertilizer composition is processed together with the pesticide or the fertilizer into a bio-fertilizer or a bio-pesticide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266473.5A CN111056876A (en) | 2019-12-11 | 2019-12-11 | Fertilizer composition, preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266473.5A CN111056876A (en) | 2019-12-11 | 2019-12-11 | Fertilizer composition, preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111056876A true CN111056876A (en) | 2020-04-24 |
Family
ID=70300550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911266473.5A Pending CN111056876A (en) | 2019-12-11 | 2019-12-11 | Fertilizer composition, preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111056876A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116751096A (en) * | 2023-07-28 | 2023-09-15 | 山东万物新农业科技有限公司 | Liquid multifunctional fertilizer without chemical fertilizer application in dry farming and preparation method and application thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276891A (en) * | 2014-09-29 | 2015-01-14 | 谢绪叶 | Foliage fertilizer containing amino oligosaccharins |
| CN104945027A (en) * | 2015-06-08 | 2015-09-30 | 京博农化科技股份有限公司 | Chelated Fe-Zn-B fertilizer and preparation method thereof |
| CN105000994A (en) * | 2015-07-28 | 2015-10-28 | 山东天达生物股份有限公司 | Fertilizer containing oligose and preparation method thereof |
| CN105016855A (en) * | 2015-06-30 | 2015-11-04 | 谢绪叶 | Multifunctional foliar fertilizer special for mulberries |
| CN106542904A (en) * | 2016-11-07 | 2017-03-29 | 马睿 | A kind of tea free leaven material |
| CN106957200A (en) * | 2017-04-28 | 2017-07-18 | 四川安达农森科技股份有限公司 | It is a kind of to improve the liquid fertilizer of crop yellow |
| CN108299077A (en) * | 2018-01-31 | 2018-07-20 | 哈尔滨萃实农业科技有限公司 | A kind of special increasing flower and fruit selenium-rich Foliage Absorption nutrient solution of grape and preparation method thereof |
| CN109279956A (en) * | 2018-10-24 | 2019-01-29 | 江苏辉丰生物技术有限公司 | Fertilizer composition containing amino-oligosaccharide and sulfuric acid K-Mg-Ca |
| CN109400382A (en) * | 2018-12-12 | 2019-03-01 | 四川国光农化股份有限公司 | A kind of medicine fertilizer composition, preparation and its application |
| CN109678568A (en) * | 2018-12-28 | 2019-04-26 | 京博农化科技有限公司 | A kind of novel earthworm fertilizer and preparation method thereof |
| CN110204399A (en) * | 2019-06-26 | 2019-09-06 | 新疆生产建设兵团第九师农业科学研究所 | A kind of selenium-rich clay fertilizer for planting rich selenium vegetables |
-
2019
- 2019-12-11 CN CN201911266473.5A patent/CN111056876A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276891A (en) * | 2014-09-29 | 2015-01-14 | 谢绪叶 | Foliage fertilizer containing amino oligosaccharins |
| CN104945027A (en) * | 2015-06-08 | 2015-09-30 | 京博农化科技股份有限公司 | Chelated Fe-Zn-B fertilizer and preparation method thereof |
| CN105016855A (en) * | 2015-06-30 | 2015-11-04 | 谢绪叶 | Multifunctional foliar fertilizer special for mulberries |
| CN105000994A (en) * | 2015-07-28 | 2015-10-28 | 山东天达生物股份有限公司 | Fertilizer containing oligose and preparation method thereof |
| CN106542904A (en) * | 2016-11-07 | 2017-03-29 | 马睿 | A kind of tea free leaven material |
| CN106957200A (en) * | 2017-04-28 | 2017-07-18 | 四川安达农森科技股份有限公司 | It is a kind of to improve the liquid fertilizer of crop yellow |
| CN108299077A (en) * | 2018-01-31 | 2018-07-20 | 哈尔滨萃实农业科技有限公司 | A kind of special increasing flower and fruit selenium-rich Foliage Absorption nutrient solution of grape and preparation method thereof |
| CN109279956A (en) * | 2018-10-24 | 2019-01-29 | 江苏辉丰生物技术有限公司 | Fertilizer composition containing amino-oligosaccharide and sulfuric acid K-Mg-Ca |
| CN109400382A (en) * | 2018-12-12 | 2019-03-01 | 四川国光农化股份有限公司 | A kind of medicine fertilizer composition, preparation and its application |
| CN109678568A (en) * | 2018-12-28 | 2019-04-26 | 京博农化科技有限公司 | A kind of novel earthworm fertilizer and preparation method thereof |
| CN110204399A (en) * | 2019-06-26 | 2019-09-06 | 新疆生产建设兵团第九师农业科学研究所 | A kind of selenium-rich clay fertilizer for planting rich selenium vegetables |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116751096A (en) * | 2023-07-28 | 2023-09-15 | 山东万物新农业科技有限公司 | Liquid multifunctional fertilizer without chemical fertilizer application in dry farming and preparation method and application thereof |
| CN116751096B (en) * | 2023-07-28 | 2024-04-26 | 山东万乃馨生态科技有限公司 | Liquid multifunctional fertilizer without chemical fertilizer application in dry farming and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| El-Sayed et al. | Responses of productivity and quality of sweet potato to phosphorus fertilizer rates and application methods of the humic acid. | |
| Zamir et al. | Effect of different sowing techniques and mulches on the growth and yield behavior of spring planted maize (Zea mays L.) | |
| CN104193540B (en) | Disinsection prophylaxis nutritional drugs fertilizer and application thereof, disinsection prophylaxis nutritional drugs fertilizer slow-release agent and application thereof | |
| Kassab | Soil moisture stress and micronutrients foliar application effects on growth and yield of mung bean plants | |
| CN104909870A (en) | Saline-alkaline and hardened soil improvement and remediation agent | |
| CN113615695B (en) | Composition for improving fruit tree yield and quality and application thereof | |
| CN111449078A (en) | Wheat accurate regulation and control method | |
| CN112521231A (en) | Soil improvement bacterial fertilizer | |
| RU2675485C1 (en) | Production and application of agrochemical composition based on polydisperse chitosan | |
| CN103819274A (en) | Preparation method for phosphite- chitosan oligosaccharide composite biological medical fertilizer | |
| CN113308251A (en) | Soil conditioner | |
| CN1242962C (en) | Nimbic coating slow release granular fertilizer | |
| CN111056876A (en) | Fertilizer composition, preparation method and application | |
| CN101805229A (en) | Polypeptide organic compound mineral fertilizer | |
| CN104521466A (en) | Corn planting method | |
| Jakienė et al. | Effect of the biological preparations Azofit and Amalgerol on sugar beet seeding | |
| CN103951529A (en) | Agricultural multifunctional biological bacterial fertilizer | |
| CN113575574A (en) | Herbicide adjuvant, compound herbicide comprising herbicide adjuvant and preparation method of herbicide | |
| CN103626609B (en) | A kind of nitre sulfenyl functional fertilizer | |
| CN113480356A (en) | Chelated controlled-release compound fertilizer and preparation method thereof | |
| CN112244041A (en) | Sesame salt-resistant seedling-protecting agent and using method thereof | |
| CN104649828A (en) | Chitosan and amino acid-containing synergetic composition and applications | |
| Patel et al. | Study on the effect of organic manures and biofertilizers on growth, yield and quality of Potato (Solanum tuberosum L.) | |
| CN106172403B (en) | Composition and application containing chitosan and choline chloride | |
| CN112753508A (en) | Prevention and treatment method for panax notoginseng root rot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200424 |
|
| RJ01 | Rejection of invention patent application after publication |