江西农业学报Issue(11)：75-78,4.
扬州市耕地质量演变趋势
Evolution Trend of Cultivated Land Quality in Yangzhou City
摘要
Abstract
The data from 162 long-term and located points of monitoring cultivated land quality in Yangzhou city in recent 10 years were analyzed.The results showed that:over the past 10 years, the contents of organic matter, available P and available B in the cultivated land of Yangzhou city revealed a steady rising trend, and the contents of rapidly-available K and available Zn were stable.The index of cultivated land quality increased steadily, and averagely reached 1.92 (an intermediate level) in 2012, being 0.57 higher than that in 2003, which had a close relation with the energetic popularization of soil testing and formulated fertilization, and soil organic matter promoting technique in recent years.During last 10 years, the basal land-capability yield of rice and wheat increased obviously, which was closely related with the update of crop varieties and cultivation modes, and the continuous promotion of cultivated land quality.关键词
耕地质量/指数/土壤养分/扬州市Key words
Cultivated land quality/Index/Soil nutrient/Yangzhou city分类
农业科技引用本文复制引用
毛伟,李文西,陈欣,陈明,张富春..扬州市耕地质量演变趋势[J].江西农业学报,2014,(11):75-78,4.基金项目
农业部耕地地力调查专项资金和扬州市农业科技攻关项目（SGG201220099）。 （）
