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熏土造肥,是一项取之不尽,用之不竭的肥源,方法看起来很简单,但有一定的技术操作要求,熏得好,化工少,收益大;熏得不好,不仅浪费时间和劳力,反而降低肥效,达不到预定的效果。建湖县农民利用熏土造肥有悠久的历史,积累了许多实用的鉴别熏土肥效的方法。 一、看外表:黑色肥效最高,黑而不浓或带有土黄色,说明潜在肥效没有充分发挥。外表红色,说明熏得过火,肥效降低。
Soil-made fertilizer, is an inexhaustible source of fertilizer, the method looks very simple, but there are certain technical requirements, smoked well, less chemical, large benefits; smoked bad, Not only a waste of time and labor, but reduce fertilizer, fail to achieve the desired effect. Jianhu County farmers use smoked soil to make fertilizer has a long history, has accumulated many practical methods to identify smoked soil fertility. First, look at the appearance: the highest efficiency of black, black and not concentrated or with khaki, indicating that the potential of fertilizer did not give full play. Red appearance, that smoked too much, reduce fertilizer efficiency.