United Republic of Tanzania - Survey and plan for irrigation development in the Pangani and Wami river basins - Economic appraisal of the Kahe and Miwaleni project areas.

agricultural sector agronomia agronomie agronomy cost benefit analysis crop rotation dairy industry economic situation evaluation forecasting industria lechera plant production production costs rendement rendimiento rotation culturale secteur agricole sector agrario soil sol suelo uso del agua utilisation de l'eau water use yields