00435nam a2200109Ia 4500008004100000082002300041245013000064260002300194490007100217650001900288650001800307220204s9999    xx            000 0 und d  a631:636.085.3bUNI 0aAnalysis of agricultural materials: A manual of analytical methods used by the agricultural development and advisory service.  aLondonbHMSOc1973  aMinistry of Agriculture Fisheries and Food, Technical Bulletin; 27  aMilk  analysis  aSoil analysis