TY - GEN AU - Witharama, Witharamalage Ratnayaka Gunasingha TI - Alley cropping gliricidia and leucaena in Mahaweli system C U1 - 631.58 PY - 1988/// CY - Peradeniya PB - University of Peradeniya KW - AGRICULTURE KW - ALLEY CROPPING KW - CROP PRODUCTION KW - CROPPING SYSTEMS KW - THESIS ER -