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草木灰是一种以含钾为主的多种营养元素的复合肥,一般草木灰除含钾8％左右外,还含有钙、磷以及镁、锌、硼、钼、铜、锰等。但目前农村中,很多农户对草木灰的保管与施用很不科学,如露天堆放、与化肥或人粪尿混合施用等,造成草木灰的肥效损失很大。为了提高草木灰的施用效果,在保管与施用上,要注意以下几点。一、不能露天堆放,日晒雨淋。草木灰中的钾,主要以碳酸钾形态存在,含量达90％以上,
Plant ash is a kind of compound fertilizer containing various nutrients such as potassium. Generally, plant ash contains about 8% potassium, calcium, phosphorus and magnesium, zinc, boron, molybdenum, copper and manganese. However, in rural areas, many farmers are unscientific about the custody and application of plant ash, such as open-air storage and mixed application with chemical fertilizers or human waste, which cause great loss of the efficiency of plant ash. In order to improve the application of plant ash, in custody and application, pay attention to the following points. First, can not be piled open, sun and rain. Ash in grass ash, mainly in the form of potassium carbonate, the content of more than 90%