Soil and plant analysis :
PIPER, C. S.
Soil and plant analysis : - New Dehli : Surabhi publications, 2002. - 368 p.
Includes bibliographical references and index.
Plants
Water
Soil and plant analysis : - New Dehli : Surabhi publications, 2002. - 368 p.
Includes bibliographical references and index.
Plants
Water