土壤肥力评价研究进展

Progress in Soil Fertility Evaluation

概述了土壤肥力的概念及影响土壤肥力的因素,提出了保持与提高土壤肥力的措施,介绍了国外土壤肥力评价的研究历史及发展方向,世界农田土壤肥力综合评价研究概况,以及我国土壤学家何同康对土壤资源评价总结出的适合我国实际的直接评价法和间接评价法。针对我国在土壤肥力评价方面存在的问题进行了分析。

In the paper, the principle of soil fertility and its limiting factor was introduced. In addition, the measures to maintain and rise soil fertility was put forward, research history and future going direction of soil fertility evaluation in foreign countries, the integrate evaluation for cultivated land across the world, and a direct and indirect evaluation method adapted to situation in China, summed up by He Tong -kang, a chinese soil scientist was introduced. At the end, an analysis, to aim at problems exist in soil fertility evaluation in China was conducted.