00272nam a22000977a 4500041001200000082001900012100003900031245003500070260006100105300000800166  aEnglish  a631.41bMAN/AC  aMandal, S C aM K Sinha aH Sinha   aAcid soils of India and liming  aNew DelhibIndian council of agricultural researchc1982  a126