12-YEARS OF CONTINUOUS CORN FERTILIZATION WITH AMMONIUM NITRATE OR UREA NITROGEN

被引:28
作者
NELSON, WW [1 ]
MACGREGOR, JM [1 ]
机构
[1] UNIV MINNESOTA, DEPT SOIL SCI, SW EXPTL STN, ST PAUL, MN 55101 USA
关键词
D O I
10.2136/sssaj1973.03615995003700040032x
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
摘要
引用
收藏
页码:583 / 586
页数:4
相关论文
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