Green high-efficiency damage-control water-soluble fertilizer suitable for southwest open-field pepper and preparation method of green high-efficiency damage-control water-soluble fertilizer

Abstract

The invention provides a green high-efficiency damage-control water-soluble fertilizer suitable for southwest open-field pepper and a preparation method thereof, and relates to the technical field of fertilizers. According to the green high-efficiency loss-control water-soluble fertilizer suitable for southwest open-field capsicum, a small amount of humic acid, amino acid, a microbial agent and a nitrification inhibitor are added into an inorganic compound fertilizer, so that the fertility of the water-soluble fertilizer is effectively improved, the water-soluble fertilizer can be efficiently absorbed by capsicum plants, and the fertilization frequency and the fertilization metering of the fertilizer are reduced; meanwhile, the quality of the chilies can be improved, and pollution to the environment is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of fertilizers, and particularly relates to a water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest and a preparation method thereof. Background Art

[0002] The southwest region has unique mountain climate advantages. Most of the main pepper production areas are distributed between 600 and 1500 meters above sea level, with a large temperature difference between day and night and fewer pests and diseases, which is very suitable for the growth of peppers. The peppers produced under the unique regional climate conditions also have unique flavors. For example, the most pepper varieties are planted in Guizhou Province and Yunnan Province, forming pepper products with different regional characteristics. At present, the southwest region has become the main production base of characteristic peppers in China and is also the region with the richest pepper germplasm resources in China.

[0003] At present, there are problems in the open-field pepper planting technology in the southwest region, such as generally excessive fertilizer application, high nutrient loss, and a decreasing trend in pepper quality year by year. Therefore, providing a water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest is a current research hotspot. Summary of the Invention

[0004] Based on this, the present invention provides a water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest and a preparation method thereof. The water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest of the present invention adds a small amount of humic acid, amino acids, microbial inoculants, and nitrification inhibitors to the inorganic compound fertilizer, thereby effectively improving the fertility of the water-soluble fertilizer and enabling the water-soluble fertilizer to be efficiently absorbed by pepper plants, reducing the number of fertilizations and the dosage of fertilizers, and at the same time improving the quality of peppers without polluting the environment.

[0005] Specifically, the present invention is implemented by the following technical solutions:

[0006] A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest, comprising an inorganic compound fertilizer and a synergist; the synergist is composed of humic acid, amino acids, microbial inoculants, and nitrification inhibitors. The inorganic compound fertilizer of the present invention is a mixture of nitrogen, phosphorus, and potassium compound fertilizer and magnesium oxide. Preferably, the nitrogen, phosphorus, and potassium compound fertilizer is a 20-5-25 nitrogen, phosphorus, and potassium fertilizer.

[0007] Preferably, the amino acids of the present invention are at least three of aspartic acid, glycine, lysine, methionine, and tryptophan.

[0008] Preferably, the amino acids account for 1-5% of the mass of the inorganic compound fertilizer.

[0009] In some embodiments, the amino acids of the present invention are mixed in a mass ratio of 1:2-3:2 of aspartic acid, glycine, and tryptophan.

[0010] In some embodiments, the amino acids of the present invention are a mixture of aspartic acid, lysine, methionine, and tryptophan in a mass ratio of 1:1:2 to 4:1.

[0011] Preferably, the microbial inoculant of the present invention is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis. In some embodiments, the microbial inoculant is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 1:1:1. In some embodiments, the microbial inoculant is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 1:2:1. In some embodiments, the microbial inoculant is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 2:1:1.

[0012] Preferably, the microbial inoculant accounts for 0.1 to 0.3% of the mass of the inorganic compound fertilizer.

[0013] Preferably, the humic acid accounts for 5 to 10% of the mass of the inorganic compound fertilizer. The nitrification inhibitor accounts for 0.5 to 1.0% of the mass of the inorganic compound fertilizer. Preferably, the nitrification inhibitor is 3,4-dimethylpyrazole phosphate (DMPP).

[0014] The preparation method of the water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest of the present invention includes the following steps:

[0015] (1) Weigh humic acid, amino acids, and microbial inoculant in proportion and set aside;

[0016] (2) After mixing the weighed humic acid and microbial inoculant, add them to the inorganic compound fertilizer and stir well to obtain a mixture;

[0017] (3) Add the weighed amino acids and nitrification inhibitor to the mixture and stir well to obtain the green and efficient loss-control water-soluble fertilizer.

[0018] Preferably, the microbial inoculant in step (1) needs to be activated before use.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention provides a water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest and its preparation method. The green and efficient loss-control water-soluble fertilizer prepared by the present invention is suitable for open-field pepper planting in the southwest region, can significantly reduce the use frequency and dosage of fertilizers in pepper planting, improve the quality and yield of peppers, reduce nutrient loss, and will not pollute the soil. Detailed implementation methods

[0021] To make the objectives, technical solutions, and advantages of the present invention clearer, the preferred implementation of the present invention will be further described in detail below in conjunction with embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention. The inorganic compound fertilizer used in the following specific embodiments of the present invention is prepared by mixing 20-5-25 nitrogen-phosphorus-potassium fertilizer and magnesium oxide, wherein the content of magnesium oxide is 2 wt%.

[0022] Example 1

[0023] A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest, which is composed of inorganic compound fertilizer, humic acid, amino acid, microbial inoculum, and nitrification inhibitor DMPP.

[0024] Among them, the amino acid accounts for 3% of the mass of the inorganic compound fertilizer; the amino acid is composed of aspartic acid, glycine, and tryptophan mixed in a mass ratio of 1:3:2.

[0025] The microbial inoculum is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 1:1:1. And the microbial inoculum accounts for 0.2% of the mass of the inorganic compound fertilizer.

[0026] The humic acid accounts for 6% of the mass of the inorganic compound fertilizer. The nitrification inhibitor DMPP accounts for 0.8% of the mass of the inorganic compound fertilizer.

[0027] The preparation method of the water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest according to the present invention includes the following steps:

[0028] (1) Weigh humic acid, amino acid, and microbial inoculum in proportion and set aside. The microbial inoculum needs to be activated before use;

[0029] (2) After mixing the weighed humic acid and microbial inoculum, add them to the inorganic compound fertilizer and stir well to obtain a mixture;

[0030] (3) Add the weighed amino acid and nitrification inhibitor DMPP to the mixture and stir well to obtain the green and efficient loss control water-soluble fertilizer.

[0031] Example 2

[0032] A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest, which is composed of inorganic compound fertilizer, humic acid, amino acid, microbial inoculum, and nitrification inhibitor DMPP.

[0033] Among them, the amino acid accounts for 3% of the mass of the inorganic compound fertilizer. The amino acid is composed of aspartic acid, glycine, and tryptophan mixed in a mass ratio of 1:3:2.

[0034] The microbial inoculant is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 1:1:1. The microbial inoculant accounts for 0.2% of the mass of the inorganic compound fertilizer. The humic acid accounts for 6% of the mass of the inorganic compound fertilizer. The nitrification inhibitor DMPP accounts for 0.9% of the mass of the inorganic compound fertilizer.

[0035] The preparation method of the water-soluble fertilizer suitable for green and high-efficiency loss control of open-field peppers in the southwest of the present invention includes the following steps:

[0036] (1) Weigh humic acid, amino acid, and microbial inoculant in proportion and set aside. The microbial inoculant needs to be activated before use.

[0037] (2) After mixing the weighed humic acid and microbial inoculant, add them to the inorganic compound fertilizer and stir well to obtain a mixture.

[0038] (3) Add the weighed amino acid and nitrification inhibitor DMPP to the mixture and stir well to obtain the green and high-efficiency loss control water-soluble fertilizer.

[0039] Example 3

[0040] A water-soluble fertilizer suitable for green and high-efficiency loss control of open-field peppers in the southwest is composed of inorganic compound fertilizer, humic acid, amino acid, microbial inoculant, and nitrification inhibitor DMPP.

[0041] Among them, the amino acid accounts for 5% of the mass of the inorganic compound fertilizer. The amino acid is a mixture of aspartic acid, glycine, and tryptophan in a mass ratio of 1:2:2.

[0042] The microbial inoculant is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 1:2:1. The microbial inoculant accounts for 0.2% of the mass of the inorganic compound fertilizer. The humic acid accounts for 6% of the mass of the inorganic compound fertilizer. The nitrification inhibitor DMPP accounts for 0.7% of the mass of the inorganic compound fertilizer.

[0043] The preparation method of the water-soluble fertilizer suitable for green and high-efficiency loss control of open-field peppers in the southwest of the present invention includes the following steps:

[0044] (1) Weigh humic acid, amino acid, and microbial inoculant in proportion and set aside. The microbial inoculant needs to be activated before use.

[0045] (2) After mixing the weighed humic acid and microbial inoculant, add them to the inorganic compound fertilizer and stir well to obtain a mixture.

[0046] (3) Add the weighed amino acid and nitrification inhibitor DMPP to the mixture and stir well to obtain the green and high-efficiency loss control water-soluble fertilizer.

[0047] Example 4

[0048] A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China, which is composed of inorganic compound fertilizer, humic acid, amino acids, microbial inoculum and nitrification inhibitor DMPP. Among them, the amino acids account for 4% of the mass of the inorganic compound fertilizer. The amino acids are composed of aspartic acid, glycine and tryptophan mixed in a mass ratio of 1:3:2.

[0049] The microbial inoculum is composed of Bacillus subtilis, Bacillus mucilaginosus and Bacillus licheniformis in a mass ratio of 1:1:1. And the microbial inoculum accounts for 0.1% of the mass of the inorganic compound fertilizer.

[0050] The humic acid accounts for 7% of the mass of the inorganic compound fertilizer. The nitrification inhibitor DMPP accounts for 0.8% of the mass of the inorganic compound fertilizer.

[0051] The preparation method of the water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China according to the present invention includes the following steps:

[0052] (1) Weigh humic acid, amino acids and microbial inoculum in proportion and set aside. Among them, the microbial inoculum needs to be activated before use;

[0053] (2) After mixing the weighed humic acid and microbial inoculum, add them to the inorganic compound fertilizer and stir well to obtain a mixture;

[0054] (3) Add the weighed amino acids and nitrification inhibitor DMPP to the mixture and stir well to obtain the green and efficient loss control water-soluble fertilizer.

[0055] Example 5

[0056] A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China, which is composed of inorganic compound fertilizer, humic acid, amino acids, microbial inoculum and nitrification inhibitor DMPP.

[0057] Among them, the amino acids account for 4% of the mass of the inorganic compound fertilizer. The amino acids are composed of aspartic acid, lysine, methionine and tryptophan mixed in a mass ratio of 1:1:2:1.

[0058] The microbial inoculum is composed of Bacillus subtilis, Bacillus mucilaginosus and Bacillus licheniformis in a mass ratio of 1:1:1. And the microbial inoculum accounts for 0.3% of the mass of the inorganic compound fertilizer.

[0059] The humic acid accounts for 5% of the mass of the inorganic compound fertilizer. The nitrification inhibitor DMPP of the present invention accounts for 0.8% of the mass of the inorganic compound fertilizer.

[0060] The preparation method of the water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China according to the present invention comprises the following steps:

[0061] (1) Weigh humic acid, amino acids, and microbial inoculum in proportion and set aside. The microbial inoculum needs to be activated before use;

[0062] (2) After mixing the weighed humic acid and microbial inoculum, add them to the inorganic compound fertilizer and stir well to obtain a mixture;

[0063] (3) Add the weighed amino acids and nitrification inhibitor DMPP to the mixture and stir well to obtain the green and efficient loss-control water-soluble fertilizer.

[0064] Example 6

[0065] A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China is composed of inorganic compound fertilizer, humic acid, amino acids, microbial inoculum, and nitrification inhibitor DMPP.

[0066] Among them, the amino acids account for 5% of the mass of the inorganic compound fertilizer. The amino acids are composed of aspartic acid, lysine, methionine, and tryptophan mixed in a mass ratio of 1:1:3:1.

[0067] The microbial inoculum is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 1:1:1. And the microbial inoculum accounts for 0.1% of the mass of the inorganic compound fertilizer.

[0068] The humic acid accounts for 8% of the mass of the inorganic compound fertilizer. The nitrification inhibitor DMPP of the present invention accounts for 0.8% of the mass of the inorganic compound fertilizer.

[0069] The preparation method of the water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China according to the present invention comprises the following steps:

[0070] (1) Weigh humic acid, amino acids, and microbial inoculum in proportion and set aside. The microbial inoculum needs to be activated before use;

[0071] (2) After mixing the weighed humic acid and microbial inoculum, add them to the inorganic compound fertilizer and stir well to obtain a mixture;

[0072] (3) Add the weighed amino acids and nitrification inhibitor DMPP to the mixture and stir well to obtain the green and efficient loss-control water-soluble fertilizer.

[0073] Example 7

[0074] A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China is composed of inorganic compound fertilizer, humic acid, amino acids, microbial inoculum, and nitrification inhibitor DMPP.

[0075] Among them, the amino acids account for 2% of the mass of the inorganic compound fertilizer. The amino acids are composed of aspartic acid, lysine, methionine, and tryptophan mixed in a mass ratio of 1:1:2:1.

[0076] The microbial inoculant is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 1:2:1. And the microbial inoculant accounts for 0.3% of the mass of the inorganic compound fertilizer.

[0077] The humic acid accounts for 8% of the mass of the inorganic compound fertilizer. The nitrification inhibitor DMPP of the present invention accounts for 0.8% of the mass of the inorganic compound fertilizer.

[0078] The preparation method of the water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest of the present invention includes the following steps:

[0079] (1) Weigh the humic acid, amino acids, and microbial inoculant in proportion and set aside. Among them, the microbial inoculant needs to be activated before use;

[0080] (2) After mixing the weighed humic acid and microbial inoculant, add them to the inorganic compound fertilizer and stir well to obtain a mixture;

[0081] (3) Add the weighed amino acids and the nitrification inhibitor DMPP to the mixture and stir well to obtain the green and efficient loss control water-soluble fertilizer.

[0082] Example 8

[0083] A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest is composed of an inorganic compound fertilizer, humic acid, amino acids, a microbial inoculant, and the nitrification inhibitor DMPP. Among them, the amino acids account for 3% of the mass of the inorganic compound fertilizer. The amino acids are composed of aspartic acid, lysine, methionine, and tryptophan mixed in a mass ratio of 1:1:2:1.

[0084] The microbial inoculant is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis in a mass ratio of 2:1:1. The microbial inoculant accounts for 0.1% of the mass of the inorganic compound fertilizer.

[0085] The humic acid accounts for 9% of the mass of the inorganic compound fertilizer. The nitrification inhibitor DMPP of the present invention accounts for 0.8% of the mass of the inorganic compound fertilizer.

[0086] The preparation method of the water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest of the present invention includes the following steps:

[0087] (1) Weigh the humic acid, amino acids, and microbial inoculant in proportion and set aside. Among them, the microbial inoculant needs to be activated before use;

[0088] (2) Mix the weighed humic acid and microbial inoculum, then add them to the inorganic compound fertilizer and stir well to obtain a mixture.

[0089] (3) Add the weighed amino acids and nitrification inhibitor DMPP to the mixture and stir well to obtain the green and highly efficient loss-controlled water-soluble fertilizer.

[0090] Example 9

[0091] A green and highly efficient loss-controlled water-soluble fertilizer suitable for open-field peppers in the southwest is composed of inorganic compound fertilizer, humic acid, amino acids, microbial inoculum and nitrification inhibitor DMPP.

[0092] Among them, the amino acids account for 4% of the mass of the inorganic compound fertilizer. The amino acids are composed of aspartic acid, glycine and tryptophan mixed in a mass ratio of 1:3:2.

[0093] The microbial inoculum is composed of Bacillus subtilis, Bacillus mucilaginosus and Bacillus licheniformis in a mass ratio of 1:2:1. The microbial inoculum accounts for 0.2% of the mass of the inorganic compound fertilizer.

[0094] The humic acid accounts for 10% of the mass of the inorganic compound fertilizer. In the present invention, the nitrification inhibitor DMPP accounts for 0.8% of the mass of the inorganic compound fertilizer.

[0095] The preparation method of the green and highly efficient loss-controlled water-soluble fertilizer suitable for open-field peppers in the southwest in the present invention includes the following steps:

[0096] (1) Weigh humic acid, amino acids and microbial inoculum in proportion and set aside. The microbial inoculum needs to be activated before use.

[0097] (2) Mix the weighed humic acid and microbial inoculum, then add them to the inorganic compound fertilizer and stir well to obtain a mixture.

[0098] (3) Add the weighed amino acids and nitrification inhibitor DMPP to the mixture and stir well to obtain the green and highly efficient loss-controlled water-soluble fertilizer.

[0099] Conduct an open-field pepper planting experiment in the southwest region with the green and highly efficient loss-controlled water-soluble fertilizers (experimental groups) prepared in Examples 1-9 and inorganic compound fertilizers (control groups). The specific experimental methods are as follows:

[0100] The experimental planting area is the Chongqing Tongliang Jiecui Pepper Planting Base. Apply the green and highly efficient loss-controlled water-soluble fertilizers prepared in Examples 1-9 and phosphorus-potassium balanced water-soluble fertilizers to the pepper seedlings, flowering stage and harvesting stage after planting respectively. The specific dosages are shown in Table 1.

[0101] Table 1

[0102]

[0103]

[0104] The embodiments described above are some, but not all, of the embodiments of the present invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without any creative effort fall within the scope of protection of the present invention.

Claims

1. A water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest, characterized in that: The green and efficient loss-control water-soluble fertilizer includes an inorganic compound fertilizer and a synergist; the synergist is composed of humic acid, amino acids, microbial inoculum, and nitrification inhibitor.

2. The water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China according to claim 1, wherein: The amino acids include at least three of aspartic acid, glycine, lysine, methionine, and tryptophan.

3. The water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China according to claim 2, characterized in that: The amino acids account for 1-5% of the mass of the inorganic compound fertilizer.

4. The water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest according to claim 3, characterized in that: The amino acids are mixed by aspartic acid, glycine, and tryptophan in a mass ratio of 1:2-3:

2.

5. The water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest according to claim 3, characterized in that: The amino acids are mixed by aspartic acid, lysine, methionine, and tryptophan in a mass ratio of 1:1:2-4:

1.

6. The water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China according to claim 1, characterized in that, The microbial inoculum is composed of Bacillus subtilis, Bacillus mucilaginosus, and Bacillus licheniformis.

7. The water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China according to claim 6, characterized in that The microbial inoculum accounts for 0.1-0.3% of the mass of the inorganic compound fertilizer.

8. The water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in Southwest China according to claim 6, characterized in that, The humic acid accounts for 5-10% of the mass of the inorganic compound fertilizer; the nitrification inhibitor accounts for 0.5-1.0% of the mass of the inorganic compound fertilizer.

9. The preparation method of the water-soluble fertilizer suitable for green and efficient loss control of open-field peppers in the southwest according to any one of claims 1 to 8, characterized in that, It includes the following steps: (1) Weigh humic acid, amino acids, and microbial inoculum in proportion and set aside. (2) After mixing the weighed humic acid and microbial inoculum, add them to the inorganic compound fertilizer and stir well to obtain a mixture. (3) Add the weighed amino acids and nitrification inhibitor to the mixture and stir well to obtain the green and efficient loss-control water-soluble fertilizer.

10. The preparation method according to claim 9, characterized in that, The microbial inoculum in step (1) needs to be activated before use.

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