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有机肥包括除化肥以外一切可做肥料的物质,通常以人畜粪尿、作物秸秆、绿肥为主。有机肥料养分全面,肥效持久均衡,既能改善土壤结构,培肥改土,促进土壤养分的释放,又能供应作物养分,特别是对发展有机农业、绿色农业和无公害农业有着重要意义。但是,有机肥料种类很多,功能不一,施用有机肥料也要讲究科学,切忌盲目施肥,应注意以下几点:一、有机肥所含养分不是万能的。有机肥料所含养分种类较多,与养分单一的化肥相比是优点,但是它所含养分并不平衡,不能满足作
Organic fertilizers include everything except fertilizers that can be used as fertilizers, usually human and animal excrement, crop straws, and green manures. Organic fertilizer has comprehensive nutrients and lasting fertilizer balance, which can not only improve soil structure, improve soil fertility, promote the release of soil nutrients, but also supply crop nutrients, especially for the development of organic agriculture, green agriculture and pollution-free agriculture. However, many types of organic fertilizers, different functions, the application of organic fertilizer should also pay attention to science, should not blindly fertilize, should note the following: First, the nutrients contained in organic fertilizer is not a panacea. Organic fertilizer contains more types of nutrients, compared with a single nutrient fertilizer is an advantage, but it contains nutrients that are not balanced, can not meet the