Soil disinfection method for controlling soil-borne disease of protective vegetable

Abstract

The invention relates to procedures of soil disinfection to prevent and wipe out facility vegetable soil-borne diseases, operation steps are as follows: smoothing and watering the soil during the season with high temperature and good illumination to make sure relative humidity of the soil is 65%-80%, liming calcium cyan amide equably 6-100kg per 1000 m2 two days after watering, ploughing under to 30-40cm to make sure that the calcium cyan amide and the soil are mixed equably, confining the surface of the soil with transparent film and the booth or glasshouse totally for 12-20 days. The invention is mainly used for preventing and curing facility vegetable soil-borne diseases of cucumber, tomato, hot pepper, eggplant and so on, caused by pathogeny epiphyte, bacteria and wireworm. The invention prevents and cures soil-borne diseases greatly and duratively, offering vegetables nitrogen, decrease the accumulation of nitrate, accelerating plant growth. Said procedures of soil disinfection are novel to operate with easy steps, low cost, high efficiency and safety, significant economic benefit.

Description

technical field [0001] The invention relates to a soil disinfection method, in particular to a soil disinfection method for preventing and controlling soil-borne diseases of facility vegetables. Background technique [0002] In recent years, with the adjustment of the agricultural planting industry structure, the planting area of ​​economic crops such as melons, fruits, and vegetables has been expanding year by year, and vegetable facility cultivation techniques have been widely adopted. However, under the special conditions of protected cultivation, the growth and reproduction of soil-borne diseases and pathogenic bacteria are accelerated, the accumulation of pathogenic bacteria in the soil increases, and the prevalence of various crop bacteria, fungi, viruses and root-knot nematodes. If this kind of disease is not controlled in time, it will cause severe production reduction or even complete failure of commercial crops. Disinfecting the soil can better control the spread ...

AI Technical Summary

Problems solved by technology

[0003] Lime nitrogen is commonly known as black fertilizer or black fertilizer, and its main component is calcium cyanamide nitride or calcium cyanamide (CaCN 2 ) is a kind of cyanamide nitrogen fertilizer, which is strongly alkaline, can adjust soil acidity, supplement plant calcium, improve soil structure and other advantages; lime nitrogen has been paid more and more attention as an ecological fertilizer, it has non-toxic, High efficiency and pollution-free characteristics can overcome many shortcomings of traditional soil disinfection methods (such as harmful to humans and animals, killing beneficial microorganisms in the soil, destroying soil structure and affecting crop growth), but lime nitrogen is used as soil disinfection. Apply lime nitrogen to the soil first, then deeply plow the soil, cover the film and then irrigate between the ridges. This soil disinfection method is complicated to operate, wastes water, and its effect is not very good.

Biopesticides are low-toxicity, high-efficiency ecological pesticides, which have no adverse effects on the environment, but are expensive and increase the cost of crops