Regreening dry regions

Tree-farming approach to re-green dry semi-arid areas


Technique used by local farmers for centuries in Burkina Faso.

Mixing trees and food crops leads to increased soil fertility, shielding crops from overwhelming heat and acting as windbreakers.

Technique helps to recharge underground water tables.

Courtesy - CreativeCommons


Courtesy - Ecosia

Large pits are dug to concentrate rainfall water onto the crop roots.. Main difference is adding manure into the pits during the dry seasons

Dig shallow pits(zai) to concentrate scarce rainfall water.

Add manure to the pit during dry season.

Add tree seeds to the pit.


As the tree seeds sprout with the surrounding crops, e.g. millet, they increase soil fertility.

Leaves that fall to the ground act as mulch and provide fodder for livestock.

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