00413nam a2200109Ia 4500008004100000082002100041245008000062260004700142300001000189600007400199650003000273130903s9999    xx            000 0 und d  a631.4(4-015)  L9  aSoils in mediteranean type climates and their yield potential; proceedings.  aBernbInternational Potash Institutec1979  a451p.  aColloquium of the International Potash Institute, 14th, Sevilla, 1979  aSoil science,Soil Biology