@INBOOK {ASADU:1989a, title = {Effect of pigeonpea varieties and plant arrangements on the productivity of pigeonpea maize/beans association}, author = {Balasubramanian, V. and Sekayange, L. and Rubyogo, J. C. }, year = {1989}, type = {Agronomy Abstract 1989 Annual Meetings (15-20 Oct.)}, pages = {50}, }