Počet záznamov: 1
Earthworms - The Soil Managers
- SINHA, Rajiv K. Earthworms - The Soil Managers : their role in restoration and improvement of soil fertility. New York : Nova Science Publishers, [2011]. viii, 54 s. Agriculture issues and policies. ISBN 978-1-61122-514-3.
Počet záznamov: 1