Biological and technical constraints on crop and animal productivity: report on a dialogue, July 10-11, 1989. Rev. December 1989.
1989
Ruttan V.W.
AGROVOC关键词
书目信息
Staff paper P (USA). no. 89-45.
其它主题
Productivite; Betail
语言
英语
注释
"November 1989.". AVAILABILITY: US (DNAL HD1761.A1M5 no.89-45).
类型
Monograph
2012-11-15
AGRIS AP