Method for remediating soil pesticide residues
A technology for pesticide residues and restoration methods, which is applied in the restoration of polluted soil, soil conditioning materials, chemical instruments and methods, etc., to achieve the effects of increasing loosening performance, ensuring water storage, and reducing pesticide residues
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Embodiment 1
[0027] A method for remediating soil pesticide residues, comprising the steps of:
[0028] 1) Deep plowing and deep loosening, and straw returning to the field: deep plowing and deep loosening of the soil to 60cm to ensure that the soil is loose and free from agglomeration, while spraying soil repair agents and putting crop straws into the soil; increasing the organic matter and air permeability of the soil;
[0029] The addition amount of the soil repair agent is 1 kg / ton of soil; the addition amount of straw is 15 kg / ton of soil; the straw is matured before returning the straw to the field, and the specific operation is to add slaked lime and caustic soda to the mixed solution cycle after crushing the straw Spray, then spray with phosphoric acid cycle, reach the purpose of neutralization; Described soil remediation agent is made up of the raw material of following weight part: 90 parts of potassium humate, 35 parts of pituitary bark, 30 parts of hibiscus, 20 parts of tannins,...
Embodiment 2
[0040] A method for remediating soil pesticide residues, comprising the steps of:
[0041] 1) Deep plowing and deep loosening, and straw returning to the field: deep plowing and deep loosening of the soil to 70cm to ensure that the soil is loose and free from agglomeration, while spraying soil repair agents and putting crop straws into the soil; increasing the organic matter and air permeability of the soil; the soil restoration The addition amount of agent is 3kg / ton of soil; the addition amount of straw is 30kg / ton of soil;
[0042] Before the straw is returned to the field, the straw is subjected to aging treatment, and the specific operation is to add slaked lime and caustic soda to the mixed solution for circulating spraying after crushing the straw, and then spraying with phosphoric acid to achieve the purpose of neutralization; the soil restoration agent It consists of the following raw materials in parts by weight: 140 parts of potassium humate, 90 parts of pituitary b...
Embodiment 3
[0053] A method for remediating soil pesticide residues, comprising the steps of:
[0054] 1) Deep plowing and deep loosening, and straw returning to the field: deep plowing and deep loosening of the soil to 65cm to ensure that the soil is loose and free from agglomeration, and at the same time spray soil repair agents and put crop straws into the soil; increase the organic matter and air permeability of the soil; the soil restoration The addition amount of agent is 2kg / ton of soil; the addition amount of straw is 25kg / ton of soil;
[0055] Before the straw is returned to the field, the straw is subjected to aging treatment, and the specific operation is to crush the straw, add slaked lime and caustic soda for circulating spraying, and then use phosphoric acid for circulating spraying to achieve the purpose of neutralization;
[0056] The soil remediation agent is composed of the following raw materials in parts by weight: 115 parts of potassium humate, 60 parts of pituitary b...
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