Wild pigs, poor soils, and upland rice
Fujisaka, S.
Wild pigs, poor soils, and upland rice a diagnostic survey of sitiung, sumatra, Indonesia - Manila 1991 - 1-9 p. - Soils, Rice, Diagnostic International Rice Research Institute. Research Paper Series No. 155 .
Wild pigs, poor soils, and upland rice a diagnostic survey of sitiung, sumatra, Indonesia - Manila 1991 - 1-9 p. - Soils, Rice, Diagnostic International Rice Research Institute. Research Paper Series No. 155 .