出版日期
细化搜索
结果 1-3 的 3
Control of cotton insects and diseases
1934
National Agricultural Library - United States of America
The Relation of fertilizers to the control of cotton root rot in Texas 全文
1934
Jordan, Howard V. (Howard Vernon)
National Agricultural Library - United States of America
Cotton root rot as affected by crop rotation and tillage at San Antonio, Texas 全文
1934
Ratliffe, George T. (George Thomas)
National Agricultural Library - United States of America
