00503nam a2200205Ia 4500003000400000005001700004008004100021040000800062041001200070082001000082082001100092100003000103100002000133245005200153250002500205260001300230260002800243260000900271650001700280OSt20220228172628.0150909s9999    xx            000 0 und d  cCOH  aEnglish  a631.4  bCIC/SU  aCicy Mathew P4Researcher  aJose A I4Guide  aSulphur status of the Kuttanad soils of Kerala.  aM.Sc                  aThrissur  bCollege of Horticulture  c1989  aSoil science