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

Pending Publication Date: 2021-03-02
SHANDONG AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned prior art, the purpose of the present invention is to provide a method for preventing and controlling apple and pear cropping obstacles through fumigation. The present invention solves the problems of small fumigation range and high cost of fumigation in cotton, and avoids the current spring and summer problems. Insufficiency in the need to build gardens every other year for heavy cropping soil fumigation in autumn and autumn ensures the income of fruit farmers and overcomes the obstacle of repeated cropping of apples and pears

Method used

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  • Method for preventing and controlling apple or pear continuous cropping obstacles through fumigation

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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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Abstract

The invention discloses a method for preventing and controlling apple or pear continuous cropping obstacles through fumigation. The method comprises the following steps: (1) carrying out soil preparation before winter, adjustment of soil moisture content in planting rows to 50-70%, rotary tillage and raking of the planting rows; (2) preparing a fumigant; (3) spreading the fumigant prepared in thestep (2) in field planting rows, and then performing rotary tillage; (4) covering the field planting row soil containing the fumigant with a film for fumigation; and (5) after film removal and ventilation, planting young trees. According to the method, the problems of small dazomet fumigation range and high dazomet fumigation cost are solved, the defect that orchard establishment needs to be delayed for one year when continuous cropping soil fumigation is conducted in spring, summer and autumn at present is overcome, the income of orchard workers is guaranteed, and apple or pear continuous cropping obstacles are overcome.

Description

technical field [0001] The invention relates to the technical field of fruit tree cultivation, in particular to a method for preventing and controlling apple or pear replanting obstacles through fumigation. Background technique [0002] The phenomenon of repeated cropping obstacles is common in the plant world, especially for apples and pears, which is characterized by low plant survival rate, slow growth and development, short plants, irregular garden appearance, reduced root activity and rot, and the yield can be reduced by 20-50%. Even production is cut off, the quality deteriorates, and the economic loss is huge. The main reasons for the obstacles to continuous cropping are as follows: first, the deterioration of the microbial community structure of the heavy cropping soil, especially the increase of harmful fungi; second, the accumulation of a large number of harmful allelochemicals in the soil; and third, the imbalance of nutrients in the soil. Among them, the large i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/06A01N43/88A01P1/00A01P3/00A01G17/00A01G11/00A01B79/02
CPCA01B79/02A01G11/00A01G17/005A01N43/88A01N59/06
Inventor 毛志泉王功帅尹承苗刘宇松徐少卓王晓宝陈学森沈向
Owner SHANDONG AGRICULTURAL UNIVERSITY
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