Nontoxic non-residual soil processing and biological organic fertilizer combination method for preventing and controlling cucumber fusarium wilt

A technology of cucumber fusarium wilt and bio-organic fertilizer, which is applied in the fields of land preparation methods, applications, agricultural machinery and implements, etc., can solve problems such as considering cucumber fusarium wilt, and achieve the effects of saving expenses, increasing income, and using moderate costs.

Active Publication Date: 2014-12-03
金星(日照)农业科技发展有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

None of the above individual prevention and control methods considered the prevention and control of cucumber wilt from the perspective ...

Method used

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  • Nontoxic non-residual soil processing and biological organic fertilizer combination method for preventing and controlling cucumber fusarium wilt
  • Nontoxic non-residual soil processing and biological organic fertilizer combination method for preventing and controlling cucumber fusarium wilt
  • Nontoxic non-residual soil processing and biological organic fertilizer combination method for preventing and controlling cucumber fusarium wilt

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Experimental program
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Embodiment Construction

[0023] (1) Liquid ammonia fumigation

[0024] Plow the soil with frequent or severe occurrence of cucumber wilt to a depth of 25 cm. When the soil moisture content is below 30%, cover the plastic film and tighten the surrounding area. Pass one end of a pressure-resistant plastic tube equal to the length of the ridge into the plastic film ( figure 1 ), leave a small hole in the plastic pipe every 1.5-2.5 meters to let the liquid ammonia gasify and release it at multiple points in the shed to ensure its uniform concentration distribution. The other end of the pressure-resistant plastic pipe is connected to the pressure reducing valve of the special tank for the liquid ammonia cylinder ( figure 1 ), generally choose to open the hydraulic valve around noon and release liquid ammonia once a day for 2 minutes each time or when the ammonia concentration in the shed reaches 3500ml / m 3 Stop the air supply at the time, and put it 3-6 times in 300 square meters (depending on the severity of ...

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Abstract

The invention relates to a nontoxic non-residual soil processing and biological organic fertilizer combination method for preventing and controlling cucumber fusarium wilt, and belongs to an agricultural intensive production technology. According to the method, liquid ammonia is utilized for fumigating and disturbing the original soil microbiologic population, and special bio-organic fertilizers are combined and applied, so the number of beneficial bacteria in the soil is increased, the number of fusarium oxysporum in the soil is reduced (the number of the fusarium oxysporum in the soil is smaller than or equal to 8.4*10<3> cfu per gram of soil, and when the number of the fusarium oxysporum in the soil is below 10*<4>cfu per gram of soil, the cucumber fusarium wilt can be effectively prevented and controlled), and a disease suppression type soil microflora is established. Test results show that after the soil which is subjected to continuous cropping for nine years, has higher cucumber fusarium wilt morbidity and nearly has no harvest is processed by the method, through comparison and contrasting, the morbidity is reduced by 88.5 percent, and the cucumber fruit yield is increased by 350 percent. The method provided by the invention has the advantages that the cucumber fusarium wilt can be effectively inhabited, and the sustainable development of intensive cucumber production is ensured.

Description

1. Technical Field [0001] The invention relates to a method for combined use of non-toxic and residue-free soil treatment and biological organic fertilizer for preventing and controlling cucumber fusarium wilt, and belongs to the technical field of agricultural intensive production. 2. Background technology [0002] Cucumber fusarium wilt is the main limiting factor in the continuous cropping of cucumbers in greenhouses and open air. It causes serious losses to cucumber production every year. Especially after three consecutive crops, the incidence of fusarium wilt sometimes reaches more than 80%, and even the production is stopped. [0003] Cucumber fusarium wilt prevention and control methods mainly include disease-resistant varieties selection, chemical control and biological control. Among them, due to the long cycle of selection and breeding of disease-resistant varieties, and the variation of the physiological races of the pathogen of Fusarium wilt in continuous cropping, the ...

Claims

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Application Information

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IPC IPC(8): A01B79/02
Inventor 沈其荣黄启为李荣张树生
Owner 金星(日照)农业科技发展有限公司
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