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Special controlled-release fertilizer for biological control of soil-borne diseases of watermelons, and preparation method and application of fertilizer

A soil-borne disease, controlled-release fertilizer technology, applied in the application, fertilization device, fertilizer mixture, etc., can solve problems such as lack of disease prevention function

Active Publication Date: 2014-07-02
河南豫邮金大地科技服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The above special fertilizer for watermelon mainly considers the nutrient supply of watermelon when it grows, and does not have the function of disease prevention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] Watermelon special controlled-release fertilizer for biological control of soil-borne diseases, the composition of raw materials is:

[0086] Biocontrol fertilizer 130kg,

[0087] Sulfur plus polymer coated urea 120kg,

[0088] Humic acid coated urea 200kg,

[0089] Humic acid coated potassium sulfate 340kg,

[0090] Diammonium phosphate 210kg.

[0091] Preparation:

[0092] (1) Preparation of biocontrol fertilizer

[0093] A. Solid culture of actinomycetes: the species of actinomycetes is Actinobacillus capsulata ACCC11051.

[0094] Actinomycete slant seeds were prepared by using PDA medium according to the prior art. PDA medium formula: 200g potatoes, 20g glucose, 16g agar, 1000g water;

[0095] The actinomycetes slant seeds were eluted with sterile water to prepare conidia containing actinomycetes 2.13╳10 7 Each / g of the suspension; the suspension is inserted into the sterilized liquid medium according to the mass ratio of 4wt%. The liquid medium formula is: s...

Embodiment 2

[0111] Watermelon special controlled-release fertilizer for biological control of soil-borne diseases, the composition of raw materials is:

[0112] Biocontrol fertilizer 150kg,

[0113] Sulfur plus polymer coated urea 80kg,

[0114] Humic acid coated urea 180kg,

[0115] Humic acid coated potassium sulfate 290kg,

[0116] Diammonium phosphate 300kg.

[0117] The preparation method is the same as in Example 1.

Embodiment 3

[0119] Watermelon special controlled-release fertilizer for biological control of soil-borne diseases, the composition of raw materials is:

[0120] Biocontrol fertilizer 100kg,

[0121] Sulfur plus polymer coated urea 110kg,

[0122] Humic acid coated urea 240kg,

[0123] Humic acid coated potassium sulfate 300kg,

[0124] Diammonium phosphate 250kg.

[0125] The preparation method is the same as in Example 1, except that the actinomycete strain is Actinomyces madura ACCC40497, and the solid culture contains 3.84 × 10 actinomycete conidia 10 pcs / g, the strain of Chlamydospora P. chlamydoides is ACCC30607, and the solid culture contains chlamydospora P. chlamydospores 2.16╳10 11 pcs / g.

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Abstract

The invention relates to a special controlled-release fertilizer for biological control of soil-borne diseases of watermelons, and a preparation method and application of the fertilizer. The special controlled-release fertilizer comprises biological-control pesticidal fertilizer, sulfurated high-molecular polymer coated urea, humic-acid coated urea, humic-acid coated potassium sulfate and diammonium phosphate in proportion, wherein the biological-control pesticidal fertilizer is formed by compounding and granulating a solid culture, urea and diatomite, and the solid culture is prepared from actinomycetes and pochonia chlamydosporia through solid cultivation in the prior art. The invention also provides the preparation method and the application of the special controlled-release fertilizer for the watermelons. According to the nutrient need rule of the watermelons, the biological-control pesticidal fertilizer is matched with controlled-release nitrogen fertilizer, phosphatic fertilizer and potassic fertilizer, and the special controlled-release fertilizer not only provides a biological disease preventing function to the watermelons, but also enables nutrient release to meet a watermelon absorbing requirement. Field experiments prove that the special fertilizer has a good effect.

Description

technical field [0001] The invention relates to a watermelon special controlled-release fertilizer for biological control of soil-borne diseases, a preparation method and application thereof, and belongs to the technical field of production and application of controlled-release fertilizers. Background technique [0002] my country is the main producer of watermelon, its planting area accounts for more than 50% of the world, and its output is more than 70% of the world's output, ranking first in the world. With the expansion of watermelon planting scale in my country, the occurrence of diseases is becoming more and more serious, which affects the further healthy development of watermelon planting industry. [0003] The so-called soil-borne diseases refer to the general term for the spread of plant diseases using soil as a medium, and the pathogens can survive in the soil for several years. Soil-borne diseases of watermelon mainly include blight, damping-off, root rot, root-k...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00C05G3/08C05G3/90
Inventor 高义武李志国徐淑班陈宏坤
Owner 河南豫邮金大地科技服务有限公司
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