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近几年来,我省化肥工业的发展,对促进农业增产起了重要作用。但在化肥用量增加的同时,必须重视对有机肥料的利用。利用有机肥料,不仅可以节省能源,降低生产成本,而且对培肥土壤和作物增产等都有重要作用。 1、增加土壤养分含量。作物在生长发育过程中,需要各种养分,这些养分在土壤中虽有一定贮量,但随着农业生产的发展,必须相应补充。以有机肥而言,它是耕作土壤有机质和氮的重要来源。人畜粪尿、作物稿秆、沼气肥、绿肥、堆肥等,
In recent years, the development of fertilizer industry in our province has played an important role in boosting agricultural production. However, while increasing the amount of chemical fertilizer, we must attach importance to the use of organic fertilizers. The use of organic fertilizers not only saves energy and reduces production costs, but also plays an important role in fertilizing soils and increasing crop yields. 1, increase soil nutrient content. Crops in the process of growth and development, need a variety of nutrients, although these nutrients in the soil have a certain amount of storage, but with the development of agricultural production, must be added accordingly. In organic terms, it is an important source of soil organic matter and nitrogen for farming. Human and animal excrement, crop draft, biogas fertilizer, green manure, composting, etc.,