水稻追肥八忌石屏县农业局６６２２００王凯勤水稻追肥必须讲究科学性，如果盲目追肥，害处极大，一是增加了化肥投入成本；二是导致苗棵徒长贪青，咆呛倒伏；三是诱发稻瘟病、稻曲病、纹枯病、稻飞虱等病虫害。最终得不偿失，造成减产。为了达到经济、有效、安全的目的，... Rice topdress eight taboo Shibao County Bureau of Agriculture 662200 Wang Kaiqin Rice topdressing must pay attention to science, if blindly topdressing, the damage is enormous, one is to increase the cost of fertilizer; the second is caused by the seedlings grow long greedy, Roaring choke; third is induced Rice blast, smut, sheath blight, planthopper and other pests and diseases. Ultimately worth the candle, resulting in reduced production. In order to achieve economic, effective and safe purpose, ...