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