河北土壤锌的含量分布消长规律与利用分区
孙祖琰, 周起如, 孙全先, 徐长金, 马文奇
SOIL ZINC DISTRIBUTION-GROWTH AND DECLINE UTILIZATION DEMARCATIONS OF HEBEI PROVINCE
Sun Zuyan, Zou Qiru, Sun Quanxian, Xu Changjin, Ma Wenqi
华北农学报
.
1986, (3): 91
-97
.
DOI: 10.3321/j.issn:1000-7091.1986.03.015
