Agro-ecological zonation, characterization and optimization of rice-based cropping systems : proceedings of the SARP applications workshop on the application programs 'Agro-ecological zonation and characterzation' and 'Crop rotation optimization', held at the International Rice Research Institute (IRRI), Los Banos, Philippines, 18 April - 6 May, 1994
Felino P. Lansigan, B.A.M. Bouman, H.H. van Laar
Abstract
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