一、注意合理施肥 利用城镇粪水作为肥源的菜地,由于粪水没经过腐熟发酵的无害化处理,其内含有多种寄生虫卵和传染性病菌,易使蔬菜沾污进而为害人体健康。因此蔬菜采收前30天内不要 First, pay attention to the rational use of fertilizers and urban manure as a fertilizer source of vegetable land, as the manure has not been decomposed fermented detoxification, which contains a variety of parasitic eggs and infectious bacteria, easy to vegetable contamination and thus harm to human health . So do not pick vegetables within 30 days before harvesting