Earthworm vermiculture and vermi-composting
Bhatnagar, R.K. and Palta, R.K.
Earthworm vermiculture and vermi-composting by R.K. Bhatnagar and R.K. Palta - New Delhi Kalyani Publishers 2002 - 106p.
8170969938
Earthworm
595.142 / B469E
Earthworm vermiculture and vermi-composting by R.K. Bhatnagar and R.K. Palta - New Delhi Kalyani Publishers 2002 - 106p.
8170969938
Earthworm
595.142 / B469E