00369nam a22001217a 4500003000400000082001600004245011400020260005100134300001000185546001200195650002700207700001300234OSt  aUAS-GKVK/CP  aProccedings of national symposium on the use of phosphate rock for sustainable agriculture:bapril 24-25 1995  aBanglorebUniversity of Agriculture GKVKc1995  a250p.  aEnglish  aConference proceedings  aUAS-GKVK