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无机肥料也称化学肥料,因其所含成分不同,可分为氮肥、磷肥、钾肥、钙肥等。其分较确切,肥效快,对池塘污染较轻,用量和操作方便,因此深受广大渔民青睐。(一)氮肥:氮肥是植物体主要营养元素一,也是水域中经常不足的营养成分,池塘氮的含量是决定浮游植物生产量的重要条之一,在靠?
Inorganic fertilizers, also known as chemical fertilizers, can be divided into nitrogen fertilizers, phosphate fertilizers, potash fertilizers, calcium fertilizers and the like due to their different compositions. Its more accurate points, fertilizer fast, less pollution to the pond, the amount and ease of operation, so favored by the majority of fishermen. (A) Nitrogen fertilizer: Nitrogen fertilizer is the main nutrient elements of plants, and is also a nutrient often lacking in waters. The content of nitrogen in ponds is one of the important items that determine the production of phytoplankton.