Studies in foliar diagnosis I. Nitrogen relations - Velasco, J.R.; Novero, R.P. ([Los Banos College of Agriculture, University of the Philippines, 1951)
Central Experiment Station. Contribution no. 1621.
Based in part on the thesis of the junior author presented for graduation with the degree of Bachelor of Science in Agriculture from the College of Agriculture, April, 1951.
Keywords: Rice -- Philippine Islands