只有声明为公共的数据才可见。

你的搜索结果 (2440)

Water-spreading weirs
technologies

Water-spreading weirs [Mali]

Water-spreading weirs slow the flow of water, spread it over a wider area, increase infiltration and reduce erosion.

  • 编制者: Dieter Nill
Seed Priming and Microfertilization
technologies

Seed Priming and Microfertilization [Mali]

Seed priming and microfertilization are two agronomic measures to increase soil fertility and increase crop harvests in semi-arid drylands.

  • 编制者: Unknown User
Small-scale dams
technologies

Small-scale dams [Mali]

Small-scale dams are moderately-sized barriers built across valley bottoms to retain water from permanent watercourses or seasonal flows.

  • 编制者: Dieter Nill