北京郊区平原粮田土壤水分垂直变异特征
李红, 周连第, 张有山
Study on Vertical Variable Patterns of Soil Water of Field in Beijing Suburbs
LI Hong, ZHOU Liandi, ZHANG Youshan
华北农学报 . 2002, (2): 82 -87 .  DOI: 10.3321/j.issn:1000-7091.2002.02.018