Technological packages and approaches to management for rained agriculture in the semi-arid tropics.

Technological packages and approaches to management for rained agriculture in the semi-arid tropics. - Washington, DC : World Bank - ca 300 p. ; 29 cm.

Open.


Agriculture--Tropics.--Collected works.
Agriculture--Tropics.--Addresses, essays, lectures.
Agriculture--Tropics.--Technological innovations.