Escueta, Silvestre C.
Amelioration of Lowland Rice Soils Affected by Mine-Tailings - Muñoz, Nueva Ecija CLSU 1992 - p. 64 illus.
Amelioration of Lowland Rice Soils Affected by Mine-Tailings - Muñoz, Nueva Ecija CLSU 1992 - p. 64 illus.