004380000a22001210004500060000800000082001600008100001900024245005900043260005200102260000900154300000800163650014500171  a100  a631.416 RIC  aRichards, L.A.  aDiagnosis and Improvement of Saline and Alkaline Soils  aNew Delhi, Oxford & IBH publishing co. pvt. ltd  c1968  a160  aSources of Soluble Salts / Leaching / Saline Soils/ Saline alkali Soils/ Quality of Irrigation Water / Soil Charactorzation / Plant Analysis