Tài nguyên được gắn thẻ với: West Africa
304 đề mục được tìm thấy (Hiển thị 261 - 270) Trước | Tiếp theo
-
-
-
-
- 20-01-2011 This book is an effort by FAO to compile an up-to-date, comprehensive text on rural structures and services in the tropics, focusing on structures for small- to medium-scale farms and, to some extent, village-scale agricultural infrastructure. The earlier edition, entitled Farm structures in...
- Deep litter systems are living systems in which a thick layer of carbon-rich organic matter hosts a thriving microbial community which works to break down solid and liquid wastes from animals as they are produced. Such as system doesn't require regular cleaning out, and has the added benefit of...
-
-
-
-
- Điều này cũng có sẵn trong:
- English (en)
- Français (fr)