How to use ammonium bicarbonate to prevent insects and diseases?

What are the medicinal effects of ammonium bicarbonate? Which pests can potassium bicarbonate control? How to use ammonium bicarbonate to prevent diseases and insects? Also ask experienced netizens to make a brief introduction. Ammonium bicarbonate is known as "gas fertilizer". Ammonium bicarbonate can not only provide nourishment for crop growth as a kind of quick-acting nitrogen fertilizer, but also has certain medicinal value and can better control the occurrence of crop diseases and diseases. the following planting network introduces several methods of ammonium bicarbonate to prevent diseases and pests: 1. deep application mixed with farm manure: when planting potatoes and sweet potatoes 20 to 25 kilograms of ammonium bicarbonate per mu is mixed with farm manure and applied into ridges to drive away and kill grubs that harm seedlings. Before planting leek, garlic, cowpea, cucumber and other vegetables, mix 25,30kg ammonium bicarbonate per mu with farm manure to kill root maggots and small tigers. 2. Foliar spraying after dilution: for example, when aphids occur in melons, fruits and vegetables, ammonium bicarbonate is diluted to 80,100 times, and the stems and leaves of these crops are sprayed evenly, which can kill aphids and reduce fungal, bacterial and viral diseases such as blight and Verticillium wilt. 3. Self-made pesticide with copper sulfate as raw material: 3.8 kg of ammonium bicarbonate, 0.5 kg of powdered copper sulfate, mixed evenly and immediately mixed with 1 kg of lime, then packed into a container or airtight nylon bag sealed for 24 hours to make "copper ammonium powder". When in use, the copper ammonium powder is diluted into "copper ammonium mixture" by adding water 1200-1500 times according to the content of copper sulfate. Spraying vegetables and cotton can not only control fungal and bacterial diseases, but also have the effect of topdressing outside the root.