H. S. Centeno

Tropical lowland rice response to preceding crops, organic manures and nitrogen fertilizer

R. A. Morris, O. Meelu, H. S. Centeno, 1992 .

Effects of crop proportion on intercropped upland rice and cowpea 1. Grain yields

R. A. Morris, H. S. Centeno, C. Siri-Udompas, 1990 .