Method for preventing and controlling apple or pear continuous cropping obstacles through fumigation
A technology of heavy cropping and obstacles, which is applied in the field of prevention and control of apple or pear heavy cropping obstacles, can solve the problems of small fumigation range and high cost of cotton fumigation, and achieve the effects of benefiting growth, improving bactericidal effect and reducing usage
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Embodiment 1
[0038] A method for preventing and controlling apple cropping obstacles by fumigation, comprising the steps of:
[0039] (1) After harvesting fruits in autumn, remove old trees before winter, adjust the relative water content of the soil in the range of planting rows to 50%-70%, and rotary tillage and rake the 1m row of planting rows, and the depth of rotary tillage is 35-40cm;
[0040] (2) Mix cotton wool and quicklime at a weight ratio of 1:4 to prepare a fumigant;
[0041] (3) spread the fumigant prepared by step (2) in the planting row, and the consumption of fumigant is 450g / m 2 , followed by two times of rotary tillage with a depth of 35-40cm;
[0042] (4) Cover the soil of the planting row containing the fumigant for fumigation. The film is a plastic film with a thickness of not less than 4 filaments, and the surrounding area is compacted with soil. The film covering and fumigation start from the end of autumn and early winter to the end of March of the next year Fini...
Embodiment 2
[0044] Embodiment 2: a kind of method for preventing and controlling apple cropping obstacle by fumigation, comprises the following steps:
[0045] (1) After harvesting fruits in autumn, remove old trees before winter, adjust the relative water content of the soil in the range of planting rows to 50%-70%, and rotary tillage and rake the 1m row of planting rows, and the depth of rotary tillage is 35-40cm;
[0046] (2) Mix cotton wool and quicklime at a weight ratio of 1:4 to prepare a fumigant;
[0047] (3) spread the fumigant prepared by step (2) in the planting row, and the consumption of fumigant is 620g / m 2 , followed by two times of rotary tillage with a depth of 35-40cm;
[0048] (4) Cover the soil of the planting row containing the fumigant for fumigation. The film is a plastic film with a thickness of not less than 4 filaments, and the surrounding area is compacted with soil. The film covering and fumigation start from the end of autumn and early winter to the end of M...
Embodiment 3
[0050] Embodiment 3: a kind of method for preventing and controlling apple cropping obstacle by fumigation, comprises the steps:
[0051] (1) After harvesting fruits in autumn, remove old trees before winter, adjust the relative water content of the soil in the range of planting rows to 50%-70%, and rotary tillage and rake the 1m row of planting rows, and the depth of rotary tillage is 35-40cm;
[0052] (2) Mix cotton wool and quicklime at a weight ratio of 1:4 to prepare a fumigant;
[0053] (3) spread the fumigant prepared by step (2) in the planting row, and the consumption of fumigant is 900g / m 2 , followed by two times of rotary tillage with a depth of 35-40cm;
[0054] (4) Cover the soil of the planting row containing the fumigant for fumigation. The film is a plastic film with a thickness of not less than 4 filaments, and the surrounding area is compacted with soil. The film covering and fumigation start from the end of autumn and early winter to the end of March of th...
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