00393nam a2200109Ia 4500008004100000082003100041245013900072260003000211300000900241600001500250650001800265130903s9999    xx            000 0 und d  a631.42 1956/57 (083.9)  J8  aScheme for standardisation of methods of soil analysis; annual progress report of the work done under the scheme for the year 1956-57.  aRajkotbGovt. Pressc1958  a69p.  aPuri, A.N.  aSoil Analysis