Studies on the influence of vermicomposting on solubility of Eppawala rock phosphate
Sampath,A.A.A.T
Studies on the influence of vermicomposting on solubility of Eppawala rock phosphate - 2009 - xi,77p 30 cm.
VERMICOMPOSTING
EPPAWALA ROCK PHOSPHATE
SOLUBILITY
633
/ SAM
Studies on the influence of vermicomposting on solubility of Eppawala rock phosphate - 2009 - xi,77p 30 cm.
VERMICOMPOSTING
EPPAWALA ROCK PHOSPHATE
SOLUBILITY
633
/ SAM