摘要
在孝义市测土配方施肥土壤肥力调查的基础上,针对不同种植方式的土壤,系统地分析了其有机质、全氮等8种养分分布特征。结果表明:农田耕作土壤养分中变异系数最大的是速效钾,最小的是碱解氮;不同种植方式的土壤其有机质、全氮、碱解氮、有效磷、速效钾和微量元素有效铁、锰、铜和锌含量差异显著;玉米地和蔬菜地土壤养分含量较高于其他种植方式,农作物核桃间作显著降低了土壤中钾的含量。
On the basis of lots of dates, soil nutrient condition in different cultivated farmlands was analyzed systematically in Xiaoyi city. The results showed that the available potassium had the biggest coefficients of variation. However the available nitrogen had the lowest values. Soil total nitrogen, organic matter, available N, available P, available K and available Cu, Zn, Mn, Fe had been significantly affected by different cropping systems. Maize land and vegetable land had high content nutrients than other land, the content of potassium in soil was significantly decreased in crop-walnut intercropping land.
出处
《天津农业科学》
CAS
2015年第12期37-42,共6页
Tianjin Agricultural Sciences
基金
孝义市测土配方施肥补贴项目
关键词
孝义市
种植方式
土壤养分
Xiaoyi city
cultivated land
soil nutrients
