Đang tải...
Efficacy of new post-emergence herbicides for rice
Weeds are the major problem in rice production. Manual removal of weeds is laborious and due to labour shortage and high cost of labour, farmers are resorting to chemical weed control. Many new molecules of selective herbicides are now coming in the market which are having broad spectrum activity or...
| Tác giả chính: | |
|---|---|
| Tác giả khác: | |
| Định dạng: | Ph.D Thesis |
| Ngôn ngữ: | Undetermined |
| Được phát hành: |
Vellanikkara
Department of Agronomy, College of Horticulture
2012
|
Kerala Agricultural University
| Số hiệu: |
630 SYA/EF |
|---|---|
| Sao chép | Trạng thái trực tiếp không khả dụng |