Influence of internal drainage on the chemical and electrochemical changes of four flooded soils and on the growth of rice [microform].

ग्रंथसूची विवरण
मुख्य लेखक: Krutkun, Tawin 1937-
स्वरूप: Visual Material
भाषा:English
प्रकाशित: Quezon City Photoduplication Service, University of the Philippines Library 1977.
विषय: