Lime is one of the common building materials in rural areas and can be used to control some vegetable pests and diseases in addition to building houses.
First, soil disinfection
During the summer high temperature season, 100 kg of lime and 500 to 1000 kg of straw are planted per acre of protected land, and deep-buried into the soil. After filling the ridge, the water is filled and the mulching film is applied to cover the greenhouse film for 15 to 20 days to increase the soil temperature to 45°C. Bacteria and killing nematodes.
Second, point sterilization
Before the watering or before the rain, remove the diseased plants in the field, and apply 250 g of quicklime in the diseased cavity to sterilize it, which can prevent tomato blight and ulcer disease, eggplant bacterial wilt, leek white peony disease, melon disease, zucchini, potato, etc. Soft rot such as celery and carrot, and clubroot and soft rot of cabbage vegetables.
Third, control pests
After plowing the land, 25 to 40 kilograms of lime are sprinkled and the soil is sunk for 5 to 7 days. On sunny days, lime is sprinkled linearly between the rows of vegetables, and 5 to 7.5 kilograms per mu can be used to control lice.
Fourth, adjust the soil pH
Lime 100-150 kilograms per acre, ploughing into the soil, adjusting the pH of the soil, can prevent white melon vegetable diseases, eggplant vegetables bacterial wilt, cruciferous vegetable root club disease and tomato virus disease, carrot bacteria soft Rot disease, melon wilt disease, pea blight and other diseases.
Fifth, the preparation of liquid medicine
Lime and sulphur powders are used to formulate lime sulfur, and lime and copper sulfate are used to make Bordeaux mixture.
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