Soil treatment and bio-organic fertilizer combined method for controlling crop wilt disease

A bio-organic fertilizer and soil treatment technology, which is applied in the field of joint application of soil treatment and bio-organic fertilizer for the prevention and control of crop wilt, can solve the problems of lack of physical and chemical products of the three-dimensional comprehensive prevention and control technology system, and achieve cost savings and moderate use costs , the effect of reducing dosage

Active Publication Date: 2016-11-16
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology

Therefore, there is a lack of a three-dimensional comprehensive prevention and contr...

Method used

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  • Soil treatment and bio-organic fertilizer combined method for controlling crop wilt disease
  • Soil treatment and bio-organic fertilizer combined method for controlling crop wilt disease
  • Soil treatment and bio-organic fertilizer combined method for controlling crop wilt disease

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Embodiment 1

[0034] (1) Crop Seedlings

[0035] Seedling raising substrate or seedling soil preparation: add "Nang Bowang" compound microbial fertilizer with a mass ratio (W / W) of 1% (not more than 1%) in the seedling raising substrate or seedling soil, mix well, and set aside;

[0036] Sowing and management: sow the selected plump crop seeds in the prepared seedling substrate or soil, and manage water and fertilizer routinely.

[0037] (2) Cotton fumigation

[0038] Remove the crop residues from the last stubble, and rotary-plow the soil with frequent or severe blight of crops to a depth of 20-25cm, fully break the soil, and keep the soil moisture content at 60-75%. If the moisture is insufficient, it is necessary to irrigate the soil (humidity maintenance The surface layer of the soil should be sufficiently moist within 3 cm), and maintained for about 7 days, the purpose is to allow the microorganisms (especially pathogenic microorganisms) in the soil to grow rapidly.

[0039]Sprinkle ...

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Abstract

The invention relates to a soil treatment and bio-organic fertilizer combined method for controlling a crop wilt disease. The method includes: disturbing original soil microorganism flora through dazomet fumigating; applying a Nangbowang compound microbial fertilizer to improve the number of beneficial bacterium in soil and decrease the number of fusarium oxysporum in soil (the number is less than or equal to 5.4*103 cfu/g, wherein when the number of the fusarium oxysporum is less than 104 cfu/g, the wilt disease can be effectively controlled), and establishing a disease-suppressing soil microorganism zone. The test result shows that after soil in which continuous cropping of more than or equal to 7 times of crops (cucumber, watermelon, muskmelon, bitter gourd, and banana) is performed and the crops have no fruits at all due to the wilt disease, compared with a contrast, the morbidity of the crops is decreased by 87.5-91.0%, and the yield of crop fruits is increased and is 9.87-29.54 times that of the contrast. The method can effectively suppress the crop wilt disease, and can ensure sustainable development of intensive crop production.

Description

technical field [0001] The invention relates to a method for combining soil treatment and bio-organic fertilizer for preventing and controlling crop wilt, and belongs to the technical field of agricultural intensive production. Background technique [0002] With the adjustment of my country's agricultural industrial structure, the planting area of ​​economic crops in my country has exceeded 500 million mu per year. Continuous cropping with high multiple cropping index and highly intensive production have brought a heavy burden to the soil, and continuous cropping biological obstacles frequently occur , a lot of land used for economic crops has become abandoned land, and the economic loss caused by soil-borne diseases in my country is nearly 100 billion yuan every year. Crop wilt is the most common soil-borne disease, which can cause crop failure in severe cases. The banana planting area in Hainan Province was 1 million mu in 2005, but it dropped sharply to 580,000 mu in 2009...

Claims

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Application Information

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IPC IPC(8): A01B77/00
CPCA01B77/00
Inventor 黄启为沈其荣
Owner NANJING AGRICULTURAL UNIVERSITY
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