1. 01/01/1977 Reforestation in Arid Lands is the third manual in a series of publication being prepared by the US Peace Corps and VITA, Volunteers in Technical Assistance. These publicaitons combine Peace Corps' practical field experience with VITA's technical expertise on subjects about which development...
  2. This booklet is concerned with hydrology (the branch of science concerned with the properties of the earth's water, and especially its movement in relation to land.) for agriculture in arid zones.