Economy of stem borer control in sorghum
1997
Van den Berg, J. (Agricultural Research Council, Potchefstroom (South Africa). Grain Crops Inst.)
AGROVOC关键词
书目信息
出版者
ARC
页码
4 p.
其它主题
Sudafrica; Umbral economico; Seuil economique
语言
英语
注释
3 fig., Also issued in Afrikaans
1998-08-15
AGRIS AP