Soil physical properties
631.43
W918S and Wopereis, M., ed.
Soil physical properties
-- Philippines : IRRI , 1994
54052 111p.:ill.,tab.
Soil physics
Soil fertility
W918S and Wopereis, M., ed.
Soil physical properties
-- Philippines : IRRI , 1994
54052 111p.:ill.,tab.
Soil physics
Soil fertility