RESULTS FROM AN EXPERIMENT ON PERMANENT GRASS EVALUATING AQUEOUS AMMONIA AND AQUEOUS UREA, INJECTED IN BANDS EITHER 30 OR 60 CM APART

被引：11

作者：

PENNY, A ^{[1
]}

WIDDOWSON, FV ^{[1
]}

ASHWORTH, J ^{[1
]}

机构：

[1] ROTHAMSTED EXPTL STN,HARPENDEN AL5 2JQ,HERTFORDSHIRE,ENGLAND

来源：

JOURNAL OF AGRICULTURAL SCIENCE | 1977年 / 88卷 / APR期

关键词：

D O I：

10.1017/S0021859600034821

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

引用

页码：319 / 331

页数：13

共 14 条

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