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土壤肥力理论是农业土壤培肥的基本原理,美国还成立了养料肥力学,专门从事这方面的研究。我国对旱地土壤培肥有极其丰富的经验,创造了多种多样的旱地土壤培肥技术。这些经验与措施在我国旱地农业生产起着重要作用。运用旱地土壤培肥原理对这些经验和措施进行科学总结,将形成具有中国特色的旱地土壤肥力学,并可提出配套的旱地土壤培肥技术体系。本文将以黄土高原地区工作为重点,从分析旱地上(?)养分特点出发,阐明旱地土壤培肥原理,并提出该原理在旱地土壤上的实
Soil fertility theory is the basic principle of agricultural soil fertility, the United States has also established a fertility mechanics, specializing in this area. China has extremely rich experience in fertilizing dryland soil and has created a wide range of dryland soil fertilization techniques. These experiences and measures play an important role in the agricultural production in dry land in our country. The scientific summarization of these experiences and measures with the principle of dryland soil fertility management will form the soil fertility of dryland with Chinese characteristics and may provide a supporting system of dryland soil fertilization technology. This article will focus on the work of the Loess Plateau, starting from the analysis of the characteristics of dryland (?) Nutrients, clarify the principle of dryland soil fertility, and put forward the principle of dry land