An economic analysis of the effect of tillage, weeding and nitrogen interaction on yeild of rice [microform]

ग्रंथसूची विवरण
मुख्य लेखक: Deocampo, Narciso R. 1938-
स्वरूप: Visual Material
प्रकाशित: Quezon City Photoduplication Service. University of the Philippines Library 1977.
विषय: