有机肥“当家”地位不能让近年来，在广大农村普遍存在着绿不种（绿肥），黄不要（人粪肥），粗不挑（灰杂肥），湿不捞（河泥肥），专要白肥（化肥）的现象。其后果是很不好的。首先，作物在生长过程中，除需要氮、磷、钾以外，还需要大量的微量元素，如铁、锰、镁、朗等... In recent years, the status of organic fertilizer as a “leader” has not been able to make green (green manure), yellow manure (manure manure), coarse manure (gray manure), wet manure (river mud manure) To white fat (fertilizer) phenomenon. The consequences are very bad. First of all, in addition to the need for nitrogen, phosphorus and potassium, crops also need a large number of trace elements such as iron, manganese, magnesium, lang, etc. in the growth process.