Soil disinfection method for controlling soil-borne disease of protective vegetable
Active Publication Date: 2006-02-15
INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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[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 harm
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Embodiment 1
[0026] 1.1 Select time and remove residue
[0027] Choose a period of time when the weather is hottest and the sun is best in summer. Clean the vegetable residues from the previous season out of the greenhouse or greenhouse. prevent secondary infection.
[0028] 1.2 Irrigation
[0029] After leveling the soil in the greenhouse or greenhouse, irrigate with water to make the soil fully moist, but also to ensure that the water can be operated with simple machinery (such as a tiller, etc.) after the water infiltrates, and the relative humidity of the soil reaches 60%.
[0030] 1.3 Spread lime nitrogen evenly
[0031] Irrigate for 2 days, after the water infiltrates, every 1000m 2 Apply 60 kg of lime nitrogen, mix evenly and spread it on the soil surface.
[0032] 1.4 deep turn
[0033] Use a rotary tiller to evenly plow the lime nitrogen into the soil (30-40cm depth is the best), so as to maximize the contact area between the lime nitrogen particles and the soil. After the ...
Embodiment 2
[0041] 2.1 Select time and remove residue
[0042] Choose a period of time when the weather is hottest and the sun is best in summer. Clean the vegetable residues from the previous season out of the greenhouse or greenhouse. prevent secondary infection.
[0043] 2.2 Irrigation
[0044] After leveling the soil in the greenhouse or greenhouse, irrigate to make the soil fully moist, but also to ensure that the water can be operated with simple machinery (such as a tiller, etc.) after the water infiltrates, and the relative soil humidity is 85%.
[0045] 2.3 Spread lime nitrogen and undecomposed organic matter evenly
[0046] Irrigate for 3 days, after the water infiltrates, every 1000m 2 Apply 1.2 tons of immature organic matter such as rice straw or wheat straw (preferably cut into 4-6cm sections to facilitate plowing), and 100 kg of lime nitrogen, mix evenly and spread it on the soil surface.
[0047] 2.4 deep turning
[0048] Use a rotary tiller to evenly plow lime nitroge...
Embodiment 3
[0056] The operation steps are the same as in Example 2. After the soil is sterilized, after the soil is cooled and sunned for 5 days, the time when the light is dark is selected, and the soil is diluted 1000 times with 1.8% abamectin and the dosage is 0.036ml / m 2 , then plowed, made furrows, and planted crops.
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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 ...
Claims
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Application Information
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IPC IPC(8): A01M17/00
Inventor 李宝聚崔国庆石延霞
Owner INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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