-Juan, G. R., C. N. Landa, P. R. Santana. Economic technical parameters of portable “SDI” sprinkler irrigation
Hydraulic Will No 85: 26- 28. Havana, Cuba(1991).
The economic assessment of portable “SDI” sprinkling irrigation installation in tobacco crop, for 1987-1989 periods at “Primero de Enero” agricultural cooperative in Mantua district, Pinar del Rio province is made. With 7 irrigation applications being a total net irrigation requirement of 1544 m3/ha and using SDI facilities, is obtain a tobacco yield of 1.2 t/ha, higher than 0.5 t/ha in comparison with no irrigated tobacco. Because of the irrigation applications, the additional profit is 236.4 pesos/ha and the irrigation investment recovery time is 7,5 years