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苎麻施用硝酸钾具有很好的肥效，用法以旺长期叶面喷施最经济有效，浓度１～１．５％，用量每次５０公斤／亩左右，每季麻喷２～３次。
Ramie application of potassium nitrate has a good fertilizer effect, the use of Mongolian long-term foliar spray the most cost-effective, the concentration of 1 to 1.5%, the amount of 50 kg / acre about every two to three times Ma spray.