Nitrogen-potassium ratios in relation to nutrient content and yield of cotton [microform].

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Aragon, Miguel L. 1949-
Formáid: Visual Material
Teanga:English
Foilsithe / Cruthaithe: Quezon City Photoduplication Service, University of the Philippines Library 1980.
Ábhair: