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随着大量使用化肥造成的土壤地力下降,以及测土配方施肥项目的开展,用地与养地相结合,提高土壤地力水平被提到日程上来。本文即是基于此目的,根据辽宁省本溪县近几年的土壤养分变化分析,指出了本溪地区的地力水平下降因素,并在此基础上提出了解决对策。
With the heavy use of fertilizers caused by decreased soil fertility, as well as soil testing and fertilizer project, the combination of land and raising land to improve soil fertility levels are put on the agenda. This article is based on this purpose. According to the analysis of soil nutrient changes in recent years in Benxi County of Liaoning Province, the paper points out the factors of the decline of the soil fertility level in Benxi area. Based on this, it puts forward the countermeasures.