This manual has several purposes. First, the extent and nature of weed problems are studied. Then, the importance of knowing the growth habits of the weeds is discussed. Next the various methods of control are examined. The recommended safety practices are also included in the study. Finally, the student is given an opportunity to apply his knowledge by recommending weed control programs for actual farm conditions.
出版物详细信息
- 出版者: Ohio Agricultural Eucation Curriculum Materials Service
- Dewey Decimal: 632.58
- ECHO 图书馆: 632.58 RID