Upland rainfed farming on a continuous basis; an alternative to shifting cultivation

by 75906 HANDAWELA, J., 14554 Ministry of Agricultural Development and Research, Akunllaga (Sri Lanka). Dept. of Agriculture, 35449 Farming Systems Research and Extension in Sri Lanka, Akunllaga (Sri Lanka), 17 - 20 Sep 1986

Multiple cropping with perennial upland crops

by 109283 RAPHAEL, B.S., 120484 SOMAPALA, H., 14554 Ministry of Agricultural Development and Research, Akunllaga (Sri Lanka). Dept. of Agriculture, 35449 Farming Systems Research and Extension in Sri Lanka, Akunllaga (Sri Lanka), 17 - 20 Sep 1986