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通过市郊粮区和菜区的畜禽粪肥适宜施用量田间小区试验，以期为市郊畜禽粪便还田利用的可行性区划提供参考依据。试验结果认为：在每公顷施２２５ｋｇ纯氨基础上，水稻田的猪粪肥适宜施用量为１５～３０ｔ／ｈｍ２，临界施用量为４５ｔ／ｈｍ２；蔬菜作物在每公顷施专用复合肥２２５０ｋｇ基础上，以每季每公顷施鸡粪４５ｔ为宜，避免撒施土表，谨防污染环境。
Through the suburbs of grain and vegetable area of livestock and poultry manure suitable for the application of field plot test, with a view to provide a reference for the feasibility of zoning the use of livestock manure in the suburbs. The results showed that the suitable application rate of pig manure in paddy field was 15-30 t / hm2 and the critical application rate was 45 t / hm2 at the 225 kg pure ammonia per hectare. Based on 2250 kg of special compound fertilizer per hectare, Apply 45t of chicken manure per hectare per quarter to avoid spreading soil surface and guard against environmental pollution.