From TKWB - Traditional Knowledge World Bank
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D1
![](https://tkwb.org/imgcategory/D1.jpg)
DIKES AND WODDEN OSTACLES
D2
![](https://tkwb.org/imgcategory/D2.jpg)
GARDEN THRESHING FLOORS
D3
![](https://tkwb.org/imgcategory/D3.jpg)
PLOUGHING AND WATER SPRINKLING
D4
![](https://tkwb.org/imgcategory/D4.jpg)
LAND FIXED BY FARMING
D5
![](https://tkwb.org/imgcategory/D5.jpg)
PLANT SPECIES TO COMBAT EROSION
D6
![](https://tkwb.org/imgcategory/D6.jpg)
MANURE SCATTERING FOR PROTECTION AND AGAINST EVAPORATION
D7
![](https://tkwb.org/imgcategory/D7.jpg)
OBSTACLES TO REDUCE THE WIND AND DEVIATE THE SAND
D8
![](https://tkwb.org/imgcategory/D8.jpg)
IMPROVEMENT OF THE COMPOSITION OF HEAVY SOIL
D9
![](https://tkwb.org/imgcategory/D9.jpg)
DECREASE OF STREAMS
D10
![](https://tkwb.org/imgcategory/D10.jpg)
SYSTEM OF SOIL PROTECTION, WATER HARVESTING AND PROTECTION AGAINST THE WIND
D11
![](https://tkwb.org/imgcategory/D11.jpg)
IMPROVEMENT OF ALKALIZED SALINIZED SOILS