Malana, Lito Ligad
Chemical soil analysis of selected rice fields in Timban, Alcala, Cagayan / - 2000. - vii, 79 pages ; 28 cm.
CHEM 0018 / 2000 c.1
Chemical soil analysis of selected rice fields in Timban, Alcala, Cagayan / - 2000. - vii, 79 pages ; 28 cm.
CHEM 0018 / 2000 c.1