黑土肥力的演变过程和评价指标体系研究

Research on Evolution Processes and Evaluation Index System of Black Soil Fertility

土壤肥力评价是对土壤肥力高低的评判和鉴定,不同区域土壤肥力的评价指标各异。综述了黑土肥力的演变过程和评价指标及评价方法,对黑土肥力的相关指标进行重点研究和筛选,确定农田黑土的评价指标和评价方法;分析黑土肥力的评价指标体系的构成以及评价方法的选取,对黑土区的农业生产具有非常重要的理论意义和现实意义。

The soil fertility evaluation is the judge and appraisal for the level of soil fertility.The evaluation indexes for soils in different regions are not the same.This article discussed the fertility evolution processes of black soil,the evaluation index system and evaluation methods,explored and selected mainly in the relative indexes of black soils fertility,determined the evaluation index and the methods of farmland black soils;The composition of the evaluation index system and the selection of evaluation methods were analyzed.It had great significance in theory and practice of agricultural production in the whole black soil region.