An imbalance among natural resources, population, and basic human needs exists in many regions, but is particularly acute in the developing countries of the warm seasonally dry tropics (WSDT). The WSDT are found primarily in sub-Saharan Africa, Southwest and Southeast Asia, Central and South America, and northern Australia, and include approximately 21 percent of the world's population. Although the region's soil and water resources vary substantially...
更多显示
详细
-
1993/12/31
-
出版
-
WTP221
-
1
-
1
-
2010/07/01
-
Conserving soil moisture and fertility in the warm seasonally dry tropics
-
Crop