CN114890844A - Corn nitrogen slow-release organic-inorganic compound fertilizer and application thereof - Google Patents
Corn nitrogen slow-release organic-inorganic compound fertilizer and application thereof Download PDFInfo
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- CN114890844A CN114890844A CN202210563681.7A CN202210563681A CN114890844A CN 114890844 A CN114890844 A CN 114890844A CN 202210563681 A CN202210563681 A CN 202210563681A CN 114890844 A CN114890844 A CN 114890844A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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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
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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
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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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)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a corn nitrogen slow-release organic-inorganic compound fertilizer which comprises the following components in parts by weight: 24-65 parts of decomposed sheep manure, 17-45 parts of urea, 7-25 parts of triple superphosphate, 0.6-8 parts of potassium sulfate, 1-2 parts of zinc sulfate, 0.05-0.2 part of urease inhibitor, 0.1-0.3 part of nitrification inhibitor and 8-10 parts of attapulgite. Compared with the compound fertilizer for producing the corn seeds in the prior art, the compound fertilizer can effectively reduce the loss of nitrogen, reduce the use amount of chemical fertilizer, improve the utilization rate of the fertilizer and reduce the production cost of the corn seeds.
Description
Technical Field
The invention belongs to the field of compound fertilizers, and particularly relates to a corn nitrogen slow-release organic-inorganic compound fertilizer.
Background
The yield of the corn seeds produced in the Hexi corridor is mainly improved by depending on chemical fertilizers, and the long-term application of the chemical fertilizers in large quantities causes the reduction of the organic matter content of soil, the hardening of the soil, the weakening of the water storage function, the degradation of the self-repairing capability of the soil and the reduction of the quality of agricultural products. Some researches at home and abroad in recent years show that organic fertilizer can coordinate the balanced supply of organic and inorganic nutrients by replacing partial fertilizers, increase the content of soil nutrients, meet the requirements of crops on nutrients during growth and development, and reduce the application amount of the fertilizers while ensuring the stable yield and the yield increase of the crops. The organic fertilizer replaces partial chemical fertilizer, so that the number of soil microorganism groups can be improved, the absorption and utilization of corn to nutrients and the storage of the soil nutrients are promoted, and the soil nutrients and the corn yield can be improved. Chinese patent document CN102320890A discloses a multifunctional special fertilizer for seed corn, which is prepared by mixing and granulating urea, monoammonium phosphate, cow dung, zinc sulfate, polyvinyl alcohol, a water-retaining agent and continuous cropping resistant factors according to the air-drying weight percentage of 48-52: 28-32: 6-10: 3-6: 1-4. However, the content of the organic fertilizer (cow dung) in the fertilizer is low and is only about 10%, and how to further increase the use level of the organic fertilizer so as to reduce the fertilization cost of corn for seed production is a technical problem to be solved in the field.
Disclosure of Invention
Based on the defects of the prior art, the invention aims to provide the seed production corn nitrogen slow-release organic-inorganic compound fertilizer with low cost and good yield increase effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the slow release organic and inorganic compound fertilizer for corn nitrogen comprises the following components in parts by weight: 24-65 parts of decomposed sheep manure, 17-45 parts of urea, 7-25 parts of triple superphosphate, 0.6-8 parts of potassium sulfate, 1-2 parts of zinc sulfate, 0.05-0.2 part of urease inhibitor, 0.1-0.3 part of nitrification inhibitor and 8-10 parts of attapulgite.
Preferably, the ratio of the total weight of the urea, the triple superphosphate, the potassium sulfate and the zinc sulfate to the weight of the decomposed sheep manure is less than or equal to 0.5:1 or more than or equal to 1.2:1, and within the ratio range, a better effect of increasing the yield of the corn seeds can be obtained.
Preferably, the organic matter content of the compound fertilizer is more than or equal to 15%.
More preferably, the ratio of the total weight of the urea, the triple superphosphate, the potassium sulfate and the zinc sulfate to the weight of the decomposed sheep manure is 0.4: 1-0.45: 1 or 1.3: 1-1.35: 1.
Preferably, the weight ratio of the total weight of the urease inhibitor and the nitrification inhibitor to the weight of the attapulgite is less than or equal to 0.035:1, and in the proportion range, the compound fertilizer can obtain better nitrogen slow release effect.
More preferably, the weight ratio of the total weight of the urease inhibitor and the nitrification inhibitor to the weight of the attapulgite is 0.02: 1-0.032: 1.
Preferably, the nutrient content of the decomposed sheep manure is that N is more than or equal to 2.1wt%, and P is 2 O 5 ≥1.0wt%、K 2 More than or equal to 2.0wt% of O, more than or equal to 40wt% of organic matter and less than or equal to 30wt% of water.
Preferably, the urease inhibitor is n-butyl thiophosphoric triamide.
Preferably, the nitrification inhibitor is 3, 4-dimethylpyrazole phosphate.
Preferably, 63.05 parts of decomposed sheep manure, 17.45 parts of urea, 7.84 parts of triple superphosphate, 0.63 part of potassium sulfate and 1 part of zinc sulfate;
or 39.5 parts of decomposed sheep manure, 31.4 parts of urea, 14.9 parts of triple superphosphate, 4.5 parts of potassium sulfate and 1.7 parts of zinc sulfate.
The seed production corn nitrogen slow-release organic-inorganic compound fertilizer is applied to seed production corn planting.
Preferably, the compound fertilizer is used as a base fertilizer.
Advantageous effects
The raw material proportion of the invention is finally obtained by a large number of experiments, and the using amount of the organic fertilizer can be greatly improved within the proportion range under the condition of not influencing the yield of the corn for seed production, so that the content of the organic fertilizer in the compound fertilizer can reach more than 20 percent. Compared with the existing compound fertilizer for producing the corns, the compound fertilizer disclosed by the invention can better utilize animal manure and reduce the production cost of the corns for producing the seeds.
The compound fertilizer can effectively reduce the loss of nitrogen, release the nitrogen for a long time, promote the absorption of crops on nutrients and reduce the soil pollution. The soil quality is greatly improved, the fertilizer usage amount is reduced, the fertilizer utilization rate is improved, and the method is particularly suitable for producing corn seeds in the riverway corridor.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to preferred embodiments.
The decomposed sheep manure is obtained by adding a deodorizing nitrogen-retaining agent into fresh sheep manure and then composting at high temperature, wherein the nutrient content of the decomposed sheep manure is more than or equal to 2.1wt%, and the nutrient content of the decomposed sheep manure is P 2 O 5 ≥1.0wt%、K 2 More than or equal to 2.0wt% of O, more than or equal to 40wt% of organic matter and less than or equal to 30wt% of water.
The urea (N is more than or equal to 46 percent) is prepared by adopting a conventional commercial product.
Triple superphosphate (P) 2 O 5 Not less than 42 percent) by adopting the conventional commercial products.
Potassium sulfate (K) 2 O is more than or equal to 51 percent) by adopting conventional commercial products.
The urease inhibitor can be selected from n-butyl thiophosphoric triamide (NBPT), and is produced by Wuwei Jincang Biotech limited.
The nitrification inhibitor may be 3, 4-dimethylpyrazole phosphate (DMPP) produced by Wuwei Jincang Biotech Co., Ltd.
Example 1
39.5 parts of decomposed sheep manure, 31.4 parts of urea, 14.9 parts of triple superphosphate, 4.5 parts of potassium sulfate, 1.7 parts of zinc sulfate, 0.1 part of urease inhibitor, 0.3 part of nitrification inhibitor and 8 parts of attapulgite are mixed uniformly and granulated to obtain the organic-inorganic compound fertilizer, wherein the content of N in the fertilizer is more than or equal to 15 percent, and the content of P in the fertilizer is more than or equal to 8 percent 2 O 5 ≥6.7%，K 2 O≥3.3%，ZnSO 4 Not less than 1.7 percent and not less than 15 percent of organic matter.
Example 2
Mixing 50.3 parts by mass of decomposed sheep manure, 24.4 parts by mass of urea, 11.35 parts by mass of triple superphosphate, 2.61 parts by mass of potassium sulfate, 1.33 parts by mass of zinc sulfate, 0.08 part by mass of urease inhibitor, 0.24 part by mass of nitrification inhibitor and 10 parts by mass of attapulgite uniformly, and granulating to obtain the organic-inorganic compound fertilizer containing more than or equal to 12% of N and P 2 O 5 ≥5.3%，K 2 O≥2.7%，ZnSO 4 Not less than 1.3 percent and not less than 20 percent of organic matter.
Example 3
63.05 parts of decomposed sheep manure, 17.45 parts of urea, 7.84 parts of triple superphosphate, 0.63 part of potassium sulfate, 1 part of zinc sulfate, 0.05 part of urease inhibitor, and nitrification inhibitor0.15 part of preparation and 10 parts of attapulgite are evenly mixed and granulated to obtain the organic-inorganic compound fertilizer, the content of N in the fertilizer is more than or equal to 9 percent, and P is 2 O 5 ≥4%，K 2 O≥2%，ZnSO 4 Not less than 1 percent and not less than 25 percent of organic matter.
Example 4
The organic-inorganic compound fertilizers prepared in the embodiments 1, 2 and 3 are used for field tests.
The test is arranged at a Zhangye water-saving test station of agricultural science college of Gansu province, the test is repeated for 4 times, and the area of the cell is 33m 2 (6 m.times.5.5 m), random block permutation. Planting specification: the female parent is planted at equal row spacing, the row spacing is 50cm, and the plant spacing is 22 cm. And (3) seedling protection of 6061 plants/mu, mulching film with the width of 70cm, film surface of 50cm and open ditch of 50 cm. Artificial hole sowing is adopted, 2 grains are planted in each hole, the test is carried out in 15 sowing days after 4 months, and harvesting is carried out in 26 days after 9 months.
The fertilizer application method comprises the following steps: conventional fertilization treatment is carried out on all phosphate fertilizers, potassium fertilizers, zinc fertilizers and 33.3% of nitrogen fertilizers for basic application, wherein 33.3% of nitrogen fertilizers are applied after the corn is in the jointing stage (when the top water is poured), and 33.3% of nitrogen fertilizers are applied after the corn is in the silking stage (when the top water is poured); compound fertilizer treatment, basic application of all compound fertilizers and no additional fertilization. Urea (containing 46% of N) for nitrogen fertilizer and calcium superphosphate (containing P) for phosphate fertilizer 2 O 5 42 percent of the amount), and zinc sulfate for zinc fertilizers. The base fertilizer is manually turned into the soil before sowing according to the spreading of the cells, the additional fertilizer is uniformly spread before irrigation, and all the cells are kept consistent by other management measures. Irrigating 4 times in the whole growth period, and irrigating in seedling stage, jointing stage, spinning stage and middle stage of grouting.
The soil sample collection method comprises the following steps: before topdressing and harvesting in the jointing stage, a soil drill is used for collecting 0-100cm deep soil samples by adopting a 2-point sampling method in each cell, and each 20cm is divided into 5 levels of 0-20cm, 20-40cm, 40-60cm, 60-80 and 80-100. And mixing the soil samples at the same level, determining the mass water content of soil by a drying method for one part, bagging the other part, and taking the sample bag back to a laboratory and storing the sample bag in a refrigerator at the temperature of 20 ℃ below zero for subsequent determination of soil nitrate nitrogen.
A test harvested plant sampling method comprises the following steps: each cell is divided into a sampling area and a harvesting area, the harvesting area is specially used for harvesting and yield-calculating, corn ears are harvested and yield-calculating areas when the corn ears are ripe, the corn ears are air-dried, threshed and weighed, the yield of the cells is converted, 10 corn seeds are taken from the sampling areas, and the plant height, the ear position, the stem thickness, the ear length, the ear row number, the ear grain number, the row grain number, the hundred grain weight and the like are investigated.
Note: different lower case english letters after the same column of data indicate differences at the 0.05 level.
As can be seen from table 1, the organic-inorganic compound fertilizers of examples 1, 2 and 3 had better yield increasing effect and increased yield by 22.25%, 15.66% and 22.6% respectively compared with the Control (CK) group without fertilization under the condition of the equal nutrient fertilization. And as can be seen from the comparison of the examples 1 and 3 with the example 2, the weight ratio of the fertilizer to the decomposed sheep manure in the organic-inorganic compound fertilizer is below 0.5 or above 1.2, the yield increasing effect is better, and the fertilizer is obviously better than the conventional fertilizer with equal nutrient content.
Note: different lower case english letters after the same column of data indicate differences at the 0.05 level.
Table 2 results show that the application of the organic-inorganic compound fertilizers of examples 1, 2 and 3 significantly reduced the content of nitrate nitrogen in soil under the condition of the fertilization with an equal nutrient amount. Compared with the conventional fertilization, the content of nitrate nitrogen in the soil with the depth of 0-20cm is respectively reduced by 40.7%, 52.7% and 62.9%; the content of nitrate nitrogen in the soil with the depth of 20-40cm is respectively reduced by 48.5%, 60.4% and 59.6%. Moreover, as can be seen from the comparison between examples 2 and 3 and example 1, the ratio of the weight of the urease/nitrification inhibitor to the weight of the attapulgite is less than 0.035, the slow release effect on the nitrogen is better.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The slow release organic and inorganic compound fertilizer for corn nitrogen is characterized by comprising the following components in parts by weight: 24-65 parts of decomposed sheep manure, 17-45 parts of urea, 7-25 parts of triple superphosphate, 0.6-8 parts of potassium sulfate, 1-2 parts of zinc sulfate, 0.05-0.2 part of urease inhibitor, 0.1-0.3 part of nitrification inhibitor and 8-10 parts of attapulgite.
2. The seed production corn nitrogen slow-release organic-inorganic compound fertilizer as claimed in claim 1, characterized in that the ratio of the total weight of the urea, triple superphosphate, potassium sulfate and zinc sulfate to the weight of the decomposed sheep manure is less than or equal to 0.5:1 or more than or equal to 1.2:1, preferably, the organic matter content of the compound fertilizer is more than or equal to 15%.
3. The seed production corn nitrogen slow-release organic-inorganic compound fertilizer as claimed in claim 2, wherein the weight ratio of the total weight of the urea, the triple superphosphate, the potassium sulfate and the zinc sulfate to the weight of the decomposed sheep manure is 0.4: 1-0.45: 1 or 1.3: 1-1.35: 1.
4. The seed production corn nitrogen slow-release organic-inorganic compound fertilizer as claimed in claim 1, characterized in that the ratio of the total weight of the urease inhibitor and the nitrification inhibitor to the weight of the attapulgite is less than or equal to 0.035: 1.
5. The seed production corn nitrogen slow-release organic-inorganic compound fertilizer as claimed in claim 1, characterized in that the ratio of the total weight of the urease inhibitor and the nitrification inhibitor to the weight of the attapulgite is 0.02: 1-0.032: 1.
6. Corn for seed production according to claim 1The nitrogen slow-release organic-inorganic compound fertilizer is characterized in that the nutrient content of the decomposed sheep manure is more than or equal to 2.1wt% and P 2 O 5 ≥1.0wt%、K 2 More than or equal to 2.0wt% of O, more than or equal to 40wt% of organic matter and less than or equal to 30wt% of water.
7. The seed production corn nitrogen slow-release organic-inorganic compound fertilizer as claimed in claim 1, characterized in that the urease inhibitor is n-butyl thiophosphoric triamide.
8. The seed production corn nitrogen slow-release organic-inorganic compound fertilizer as claimed in claim 1, characterized in that the nitrification inhibitor is 3, 4-dimethylpyrazole phosphate.
9. The seed production corn nitrogen slow-release organic-inorganic compound fertilizer as claimed in claim 1, characterized in that 63.05 parts of decomposed sheep manure, 17.45 parts of urea, 7.84 parts of triple superphosphate, 0.63 part of potassium sulfate and 1 part of zinc sulfate;
or 39.5 parts of decomposed sheep manure, 31.4 parts of urea, 14.9 parts of triple superphosphate, 4.5 parts of potassium sulfate and 1.7 parts of zinc sulfate.
10. The seed production corn nitrogen slow-release organic-inorganic compound fertilizer as defined in claim 1 is applied to seed production corn planting, preferably, the compound fertilizer is used as a base fertilizer.
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| CN202210563681.7A CN114890844A (en) | 2022-05-23 | 2022-05-23 | Corn nitrogen slow-release organic-inorganic compound fertilizer and application thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990431A (en) * | 2005-12-27 | 2007-07-04 | 中国科学院沈阳应用生态研究所 | Slow release long-acting inorganic complex blending fertilizer |
| CN102079669A (en) * | 2009-11-27 | 2011-06-01 | 中国科学院沈阳应用生态研究所 | Efficient organic compound fertilizer and preparation method |
| CN103360150A (en) * | 2012-03-27 | 2013-10-23 | 河北农业大学 | Special slow-release long-acting compound fertilizer for carrots and application method thereof |
| CN104276906A (en) * | 2014-09-17 | 2015-01-14 | 湖北祥云(集团)化工股份有限公司 | Humic acid synergistic slow-release compound fertilizer and preparation method thereof |
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- 2022-05-23 CN CN202210563681.7A patent/CN114890844A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990431A (en) * | 2005-12-27 | 2007-07-04 | 中国科学院沈阳应用生态研究所 | Slow release long-acting inorganic complex blending fertilizer |
| CN102079669A (en) * | 2009-11-27 | 2011-06-01 | 中国科学院沈阳应用生态研究所 | Efficient organic compound fertilizer and preparation method |
| CN103360150A (en) * | 2012-03-27 | 2013-10-23 | 河北农业大学 | Special slow-release long-acting compound fertilizer for carrots and application method thereof |
| CN104276906A (en) * | 2014-09-17 | 2015-01-14 | 湖北祥云(集团)化工股份有限公司 | Humic acid synergistic slow-release compound fertilizer and preparation method thereof |
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