2014-03-272014-03-271928http://krishikosh.egranth.ac.in/handle/1/2053806en-USnitrogen, inorganic acid salts, planting, land resources, crops, biological phenomena, acidity, research methods, fertilizers, irrigationProceedings And Papers Of International Congress Of Soil Science (1st : 1927 June 13-22 : Washington)Commission 3 And Commission 4Proceedings