Washington, D.C. : United States Department of the Interior, 1965.
101 p. : ill., maps ; 21 x 30 cm.
Summary: “This study was undertaken to secure badly needed information on crop yields in the Helmand valley, Afghanistan and factors affecting them; also to compare production new and before the dams and irrigation works were built. The data were obtained from interviews with 495 families and village chiefs, and from observation of farming practices throughout the Helmand Valley”—(p. ix).
English
Helmand River Valley (Afghanistan). Helmand River Valley (Afghanistan) Economic conditions. Agricultural resources Afghanistan Helmand (Province). Water resources development Afghanistan Helmand. Irrigation Afghanistan Helmand (Province).