一、施用农家回应充分沤制。未腐熟的人粪尿及畜栏肥等，含有各种传染性病菌（毒）及寄生虫卵，若直接浇施到菜田上，会使蔬菜遭受污染。对这些农家肥，应先通过密封、堆沤、药物消毒或沼气发酵等无害化处理后，再施用。二、不宜缺水施碳铵。碳铁性质不太稳定，土壤干旱缺水时 First, the application of full response farmers farm system. Undeclared human excrement and corral fat, etc., contain a variety of infectious germs (parasites) and parasite eggs, if poured directly into the vegetable fields, vegetables will be contaminated. For these peasant households, they should be applied before they are detoxified by sealing, stacking, drug disinfection or biogas fermentation. Second, unfavorable water supply ammonium bicarbonate. Carbonic nature is not stable, soil drought and water shortage