在农业“八字宪法”中,“土”是基础,是农作物生长的基地.土壤的重要特征就是在农业生产过程中,具有生产能力——土壤肥力,能够提供农产品.土壤的生产能力越高,即越肥沃的土壤,就越容易保证农产品的收成.因此,揭露土壤的矛盾运动,增肥土壤,促进保产增产,为大办农业、大办粮食服务,乃是研究农业土壤科学的首要任务。 In the “Eight Character Constitution” of agriculture, “soil” is the foundation and the base of crop growth.The important feature of soil is that it has the productive capacity of soil fertility and can provide agricultural products in the process of agricultural production.The higher the soil productivity, That is, the more fertile the soil, the easier it will be to ensure the harvest of agricultural products.Therefore, it is the primary task to study agro-soil science to expose contradictions in soils, increase soil fertility, .