TY - GEN AU - BHATNAGAR, R K AU - PALTA, R K TI - EARTHWORM : VERMICULTURE AND VERMI - COMPOSTING U1 - 631.875 BHA/EA CY - LUDHIANA, KALYANI KW - DISTRIBUTION KW - FOOD AND FEEDING HABITS KW - ORIGIN AND EVALUTION KW - ROLE OF EARTHWORMS ER -