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自从《鱼用复混肥的施用技术》一文在《农家顾问》1994年第1期发表后,作者收到武汉市蔡甸区郭岭乡余明放同志和江西的部分读者来信,询问复混肥施用的其它有关问题,现答复如下:(1)施用技术 余明放同志信中说他去年使用稻类复混肥喂鱼,效果不好。稻类复混肥为氮磷钾三元素复混肥,含有钾的成分,而氮的含量比鱼用复混肥低2～3个百分点,所以效
Since the publication of “The Application Technique of Compound Fertilizer for Fish”, published in “Farm Consultant”, No. 1, 1994, the author received letters from some readers of Yu Mingxiang and some of Jiangxi Province in Guo Ling, Caidian District, Wuhan, Other relevant questions about the application are as follows: (1) Application Techniques Yu Ming-chih comrades said he did not work well with rice compound fertilizer to feed the fish last year. Rice compound fertilizers are NPK three-element compound fertilizers, which contain potassium, while the nitrogen content is 2-3% lower than that of fish compound fertilizers