2. Mixing with ammonium bicarbonate and farmyard manure: When planting potatoes and sweet potatoes, mix 20-25 kg of ammonium bicarbonate with farmyard manure per 667 square meters (one mu) and apply it to cultivated ridges to drive away Kill the cockroaches that are harmful to the seedlings. Before planting seed or seedlings such as amaranth, garlic, cowpea, cucumber, etc., use 25-30 kg of ammonium bicarbonate per 667 square meters and mix with the farmyard manure to kill roots and small tigers.
3. Dilute ammonium bicarbonate and spray on the foliar surface: when the aphids are produced in fruits and vegetables, the ammonium bicarbonate is diluted 80-100 times, and evenly sprayed on the stems and leaves of these crops with a sprayer to kill the aphids and reduce Diseases, bacteria and viral diseases.
Using ammonium bicarbonate to control pests and diseases
1. Self-matching pesticide with ammonium bicarbonate and copper sulfate: take 3.8 kg of ammonium bicarbonate and 0.5 kg of copper sulfate which is ground into a powder. Immediately add 1 kg of lime and mix well, and then seal it in a container for 24 hours. "Copper ammonium powder". When used, the copper ammonium powder is diluted to a "copper ammonium mixture" by adding 1200 to 1500 times of copper content. Spraying vegetables and cotton not only can prevent fungal and bacterial diseases, but also has the effect of topdressing.
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