First, in early May, melons began to be melons, which should be top-dressed in time, or combined with insecticides for foliar spraying, spraying 0.4% potassium dihydrogen phosphate or 0.3% amino acid liquid fertilizer to promote seedling growth.
Second, the yellow melon pests in the melon field prevention and control methods: leaf spray 1.5% trichlorfon powder can kill pests, the root powder agent 2.5 to 3.5 kg per mu, can prevent the root of the yellow Shougua larvae.
3. In mid-July and mid-July, after the melons were pulled out, the cotton was top-dressed with water, and 20 kilograms of ammonium nitrate or 1.3 kilograms of urea and 2.5 kilograms of superphosphate mixed fertilizer were needed for growth and development of cotton. Insect pests can be pollution-free pesticides or bacterial lipid pesticides.
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