Compound fertilizer for increasing corn yield and preparation method thereof

Abstract

The invention discloses a compound fertilizer for increasing corn yield and a preparation method thereof, and belongs to the technical field of fertilizers for corn planting. The compound fertilizer is prepared from the following raw materials in parts by weight: 50 to 200 parts of compound microbial fertilizer, 40 to 100 parts of compound fertilizer, 1 to 2 parts of polyglutamic acid, 0.2 to 0.5 part of urease inhibitor, 5 to 10 parts of corn straw and 2 to 5 parts of zinc sulfate. By adding the compound bacterial fertilizer and utilizing the interaction between mycorrhiza and a corn root system, the corn can absorb more nutrients in the growth period, and the problems of soil hardening, pollution and the like are relieved by remaining the microbial inoculum in soil.

Description

Technical Field

[0001] This invention relates to the field of fertilizer technology for corn cultivation, and in particular to a compound fertilizer for increasing corn yield and its preparation method. Background Technology

[0002] Corn, as one of the world's most important food crops, occupies a pivotal position in the human food structure. It is not only a staple food source for billions of people but also plays an irreplaceable role in food, feed, and industrial raw materials. Northeast my country has the largest corn-growing region in the country, but long-term fertilizer application can easily lead to soil degradation, which is detrimental to the sustainable development of my country's agriculture. Furthermore, currently available traditional fertilizers have simple formulations, cannot effectively improve corn yields after application, and also pose potential risks of environmental pollution. Therefore, there is a need to develop more new types of compound fertilizers. Summary of the Invention

[0003] The purpose of this invention is to provide a novel compound fertilizer for corn cultivation that can increase corn yield and solve environmental pollution problems.

[0004] To achieve the above objectives, firstly, the present invention provides a compound fertilizer for increasing corn yield, wherein the raw materials of the compound fertilizer include, by weight: 50-200 parts of compound microbial fertilizer, 40-100 parts of compound fertilizer, 1-2 parts of polyglutamic acid, 0.2-0.5 parts of urease inhibitor, 5-10 parts of corn straw, and 2-5 parts of zinc sulfate.

[0005] Preferably, the raw materials for the compound microbial fertilizer include, by weight: 50-100 parts cow dung, 1-5 parts compound microbial agent, 10-15 parts sand, and 20-100 parts peat moss.

[0006] Preferably, the ratio of nitrogen, phosphorus, and potassium in the compound fertilizer is 10-12:15-20:10-15.

[0007] Preferably, the composite microbial agent comprises Bacillus subtilis and arbuscular mycorrhizal fungi in a ratio of 1:1.

[0008] Preferably, the compound fertilizer raw materials include, by weight: 200 parts compound microbial fertilizer, 80 parts compound fertilizer, 2 parts polyglutamic acid, 0.2 parts urease inhibitor, 8 parts corn straw, and 3 parts zinc sulfate.

[0009] In addition, the present invention also provides a method for preparing compound fertilizer for increasing corn yield, wherein the method comprises: fully mixing the above-mentioned compound fertilizer raw materials to obtain the target compound fertilizer.

[0010] Beneficial effects of the present invention

[0011] This invention discloses a compound fertilizer for increasing corn yield and its preparation method. By adding compound microbial fertilizer, the interaction between mycorrhizae and corn roots is utilized to enable corn to absorb more nutrients during its growth period. The microbial agent remains in the soil, alleviating problems such as soil compaction and pollution. Detailed Implementation

[0012] First, the present invention provides a compound fertilizer for increasing corn yield, wherein the raw materials of the compound fertilizer include, by weight: 50-200 parts of compound microbial fertilizer, 40-100 parts of compound fertilizer, 1-2 parts of polyglutamic acid, 0.2-0.5 parts of urease inhibitor, 5-10 parts of corn straw, and 2-5 parts of zinc sulfate.

[0013] Preferably, the raw materials for the compound microbial fertilizer include, by weight: 50-100 parts cow dung, 1-5 parts compound microbial agent, 10-15 parts sand, and 20-100 parts peat moss.

[0014] Preferably, the ratio of nitrogen, phosphorus, and potassium in the compound fertilizer is 10-12:15-20:10-15.

[0015] Preferably, the composite microbial agent comprises Bacillus subtilis and arbuscular mycorrhizal fungi in a ratio of 1:1.

[0016] Preferably, the compound fertilizer raw materials include, by weight: 200 parts compound microbial fertilizer, 80 parts compound fertilizer, 2 parts polyglutamic acid, 0.2 parts urease inhibitor, 8 parts corn straw, and 3 parts zinc sulfate.

[0017] In addition, the present invention also provides a method for preparing compound fertilizer for increasing corn yield, wherein the method comprises: fully mixing the above-mentioned compound fertilizer raw materials to obtain the target compound fertilizer.

[0018] Example 1

[0019] A compound fertilizer for increasing corn yield, wherein the raw materials of the compound fertilizer include, by weight: 50 parts compound microbial fertilizer, 100 parts compound fertilizer, 1 part polyglutamic acid, 0.2 parts urease inhibitor, 10 parts corn straw, and 5 parts zinc sulfate.

[0020] The raw materials for the compound microbial fertilizer include, by weight: 50 parts cow dung, 1 part compound microbial agent, 10 parts sand, and 100 parts peat moss.

[0021] The ratio of nitrogen, phosphorus, and potassium in the compound fertilizer is 10:15:10.

[0022] The compound microbial agent includes Bacillus subtilis and arbuscular mycorrhizal fungi in a ratio of 1:1.

[0023] The target compound fertilizer is obtained by thoroughly mixing the above-mentioned compound fertilizer raw materials.

[0024] Example 2

[0025] A compound fertilizer for increasing corn yield, wherein the raw materials of the compound fertilizer include, by weight: 200 parts compound microbial fertilizer, 80 parts compound fertilizer, 2 parts polyglutamic acid, 0.2 parts urease inhibitor, 8 parts corn straw, and 3 parts zinc sulfate.

[0026] The raw materials for the compound microbial fertilizer include, by weight: 100 parts cow dung, 5 parts compound microbial agent, 15 parts sand, and 20 parts peat moss.

[0027] The ratio of nitrogen, phosphorus, and potassium in the compound fertilizer is 12:20:15.

[0028] The compound microbial agent includes Bacillus subtilis and arbuscular mycorrhizal fungi in a ratio of 1:1.

[0029] The target compound fertilizer is obtained by thoroughly mixing the above-mentioned compound fertilizer raw materials.

[0030] Example 3

[0031] A compound fertilizer for increasing corn yield, wherein the raw materials of the compound fertilizer include, by weight: 100 parts compound microbial fertilizer, 40 parts compound fertilizer, 1 part polyglutamic acid, 0.5 parts urease inhibitor, 10 parts corn straw, and 5 parts zinc sulfate.

[0032] The raw materials for the compound microbial fertilizer include, by weight, 80 parts cow dung, 4 parts compound microbial agent, 12 parts sand, and 60 parts peat moss.

[0033] The ratio of nitrogen, phosphorus, and potassium in the compound fertilizer is 12:16:10.

[0034] Preferably, the composite microbial agent comprises Bacillus subtilis and arbuscular mycorrhizal fungi in a ratio of 1:1.

[0035] The target compound fertilizer is obtained by thoroughly mixing the above-mentioned compound fertilizer raw materials.

[0036] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A compound fertilizer for increasing corn yield, characterized in that, The raw materials for the compound fertilizer, by weight, include: 50-200 parts of compound microbial fertilizer, 40-100 parts of compound fertilizer, 1-2 parts of polyglutamic acid, 0.2-0.5 parts of urease inhibitor, 5-10 parts of corn straw, and 2-5 parts of zinc sulfate.

2. The compound fertilizer for increasing corn yield according to claim 1, characterized in that, The raw materials for the compound microbial fertilizer include, by weight: 50-100 parts cow dung, 1-5 parts compound microbial agent, 10-15 parts sand, and 20-100 parts peat moss.

3. The compound fertilizer for increasing corn yield according to claim 1, characterized in that, The ratio of nitrogen, phosphorus, and potassium in the compound fertilizer is 10-12:15-20:10-15.

4. A compound fertilizer for increasing corn yield according to claim 2, characterized in that, The compound microbial agent includes Bacillus subtilis and arbuscular mycorrhizal fungi in a ratio of 1:

1.

5. A compound fertilizer for increasing corn yield according to claim 1, characterized in that, The raw materials for the compound fertilizer, by weight, include: 200 parts of compound microbial fertilizer, 80 parts of compound fertilizer, 2 parts of polyglutamic acid, 0.2 parts of urease inhibitor, 8 parts of corn straw, and 3 parts of zinc sulfate.

6. A method for preparing a compound fertilizer for increasing corn yield, characterized in that, The method is as follows: the above-mentioned compound fertilizer raw materials are thoroughly mixed to obtain the target compound fertilizer.