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虾蟹池的传统施肥方法是大量施用有机肥或单一的无机肥,往往造成营养不均衡和肥效不稳点,有着较多的弊端。根据扬州市农业部门对各乡镇土地磷、钾等主要营养元素测定结果,笔者研制了虾蟹专用肥料。现将有关情况报告如下。
Shrimp crab pool of traditional fertilization method is to use large amounts of organic fertilizer or inorganic fertilizer, often resulting in nutritional imbalance and fertilizer instability, has more drawbacks. According to Yangzhou City, the agricultural sector of the township of phosphorus, potassium and other key nutrients measured results, the author developed a dedicated shrimp and crab fertilizer. The relevant information is as follows.