非化学农药防病治虫小苏打学名叫碳酸氢钠（ＮａＨＣＯ３），是食品制造和医药的重要原料。但近１０多年来，国内外的大量试验和实践表明，它在防治植物某些常发性病害方面也具有良好的效果。小苏打是一种碱性物质，以其喷洒可将病菌杀死，达到灭病的目的。以０．２～０．... Non-chemical pesticides disease control Bacteria baking soda called sodium bicarbonate (NaHCO3), is an important raw material in food manufacturing and medicine. However, over the past 10 years, a large number of experiments and practices at home and abroad have shown that it also has good effects in controlling some common plant diseases. Baking soda is an alkaline substance, with its spraying can kill bacteria to achieve the purpose of disease. With 0.2 ~ 0. ...