摘要
本文以楚雄市为例,研究了水田、撂荒地、果园、人工针叶林、次生阔叶林、原生阔叶林等6种不同土地利用方式下紫色土土壤养分的分布状况。结果表明:各种土地利用方式下,最表层土壤的各种养分含量大多是最高的。最表层土壤养分含量排序是:有机质,果园>原生阔叶林>次生阔叶林>水田>人工针叶林>撂荒地;全氮,原生阔叶林>果园>次生阔叶林>水田>撂荒地>人工针叶林;碱解氮,原生阔叶林>果园>次生阔叶林>人工针叶林>水田>撂荒地;速效磷,果园>原生阔叶林>次生阔叶林>撂荒地>水田>人工针叶林;速效钾,原生阔叶林>次生阔叶林>果园>撂荒地>人工针叶林>水田。
The purple soil nutrient distribution of 6 different land use method was researched in Chuxiong city.The results indicated that: the nutrient content of surface soil is the highest.The sequence of surface soil nutrient content is that: Organic matter,orchard evergreen broad-leaved forest secondary broad-leaved forest paddy land artificially coniferous forest wasteland;Total nitrogen,evergreen broad-leaved forest orchard secondary broad-leaved forest paddy land wasteland artificially coniferous forest;Alkeline-N,evergreen broad-leaved forest orchard secondary broad-leaved forest artificially coniferous forest paddy land wasteland;Available P,orchardevergreen broad-leaved forest secondary broad-leaved forest wasteland paddy land artificially coniferous forest;Available K,evergreen broad-leaved forest secondary broad-leaved forest orchard wasteland artificially coniferous forest paddy land.
出处
《楚雄师范学院学报》
2010年第9期71-79,共9页
Journal of Chuxiong Normal University
基金
楚雄师范学院引进人才项目
项目编号:08YJRC25
关键词
楚雄市
土地利用
紫色土
土壤养分
Chuxiong city
land use
purple soil
soil nutrient
作者简介
王爱国(1982-),男,楚雄师范学院地理科学与旅游管理系助教,土壤学硕士。研究方向:LUCC,土地利用规划,城市规划。