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黑粒土田是我县主要低产土种.全县湖田洼地均有分布,面积占全县耕地面积的7.8%.土质粘、肥力低、土体冷、易涝渍是其主要特征. 本文拟就土壤普查所掌握的资料及有关化验数据进行综合分析,以探测黑粒土田的低产原因及其综合治理措施. 一、黑粒土田的低产原因分析(一) 黑粒土田的形成黑粒土田是土壤普查中沿用群众的叫法.“黑”与“粒”形象地刻划了其本身的理化性状与肥、水、气、热状况.
The black soil is the main low-yielding soil in our county .Hutian depression in the county are distributed, accounting for 7.8% of the county area of arable land. Soil sticky, low fertility, soil cold, easy waterlogging is the main feature of this article Soil census data and relevant laboratory tests to conduct a comprehensive analysis of the reasons to detect the low yield of black soil and its comprehensive treatment measures I. Black soil analysis of the reasons for the low yield (a) black soil formation black soil is soil Census follow the mass name. “Black” and “grain” vividly depicts its own physical and chemical properties and fertilizer, water, gas and heat conditions.