003800000a22001330004500060000800000082001500008100001600023100001600039245009000055260002900145260000900174300000800183650005500191  a100  a630.24 KAN  aChopra, S L  aKanwar, J S  aPractical agricultural chemistry: For students of B.Sc ( AGRI) of Indian Universities  aNew Delhi, S. Chand & co  c1959  a235  aAgricultural chemistry-Fertilizer/ Manure analysis