现代农业科技Issue(8)：189-191,3.
南通市耕地土壤肥力演变趋势及培肥对策
Evolution Trends of Soil Fertility and Countermeasures of Soil Building in Nantong City
摘要
Abstract
204 soil samples of″five years a fertility survey″which collected in 2012 were analyzed.The results showed that in 2012 cultivated soil organic matter,total nitrogen,available phosphorus,and available potassium content were respectively 19.5 g/kg ,1.25 g/kg,20.6 mg/kg,89.9 mg/kg. Compared to the results of first six fertility survey ,organic matter ,total nitrogen ,and available phosphorus content showed increasing trend ,available potassium content showed a rising trend after the first drop.According to the soil fertility status ,countermeasures of soil building were put forward.关键词
土壤肥力/演变趋势/培肥对策/江苏南通Key words
soil fertility/evolution trend/countermeasures of soil building/Nantong Jiangsu分类
农业科技引用本文复制引用
巩万合,郁伟,王志强,刘蓉蓉,杨连飞..南通市耕地土壤肥力演变趋势及培肥对策[J].现代农业科技,2014,(8):189-191,3.基金项目
南通市五年一次土壤肥力详查（2012）。 （）
