Distribution of the forms of nitrogen in some Philippine soils [microform]

Distribution of the forms of nitrogen in some Philippine soils [microform]

Podrobná bibliografie
Hlavní autor: Caramancion, Maria Nylda Villena 1945-
Médium: Visual Material
Vydáno: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Témata:
Soils > Nitrogen content. > Philippines.