Farming systems in relation to soil conservation
1949
Johnson, Sherman Ellsworth
AGROVOC关键词
书目信息
其它主题
United states
语言
英语
类型
Text; Monograph; Book
粮农组织大会
United Nations Scientific Conference on the Conservation and Utilization of Resources (1949 : Lake Success, N.Y.)
团体作者
United Nations. Economic and Social Council.
2024-02-27
2025-07-20
MODS