References
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- GOMEZ , K. A. and GOMEZ , A. A. 1984 . Statistical Procedures for Agricultural Research , 2nd ed , New York : Wiley & Sons .
- IRRI (INTERNATIONAL RICE RESEARCH INSTITUTE) . 1985 . Annual Report for 1985 Manila, , Philippines PO Box 933
- IRRI (INTERNATIONAL RICE RESEARCH INSTITUTE) . 1986 . Annual Report for 1985 Manila, , Philippines PO Box 933
- MAGBANUA , R. D. , GARRITY , D. P. and MORRIS , R. A. Sustainability of cropping systems in an acid upland environment . IRRI Saturday seminar . July 11 1987 , Los Baños, Laguna, Philippines.
- MANDAC , A. M. 1985 . Some useful economic concepts in the analysis of agronomic data , Philippines : Farming Systems SocioEconomics Research, International Rice Research nstitute . (training paper), PO Box 933
- MANDAC , A. M. , GENESILA , M. P. and FLINN , J. C. A socioeconomic perspective of an upland, acid rice environment in Northern Mindanao, Philippines . IRRI Saturday seminar . January 24 1987 , Los Banos, Laguna, Philippines.
- MOODY , K. 1979 . “ Weed control in tropical legumes ” . In Weed Control in Tropical Crops , Edited by: Moody , K. 112 – 146 . Laguna, , Philippines : Weed Science Society of the Philippines and Philippine Council for Agricultural Resources Research, college .
- PANDEY , R. K. 1987 . A Famer's Primer on Growing Cowpea on Riceland , Manila, , Philippines : International Rice Research Institute . PO Box 933
- TORRES , R. O. , MAGBANUA , R. D. and GARRITY , D. P. 1988 . Evaluation of cowpeas as legume component in acid upland rice‐based cropping systems . Philippine Journal of Crop Science , 13 ( 2 ) : 91 – 98 .