01118naa a2200313 a 450000100080000000500110000800800410001902200140006010000190007424500710009326000090016452003280017365000110050165300190051265300090053165300220054070000150056270000130057770000180059070000160060870000170062470000170064170000140065870000230067270000160069570000170071170000160072877300600074410506932019-10-11       2012    bl uuuu     u00u1 u    #d  a0006-00891 aBARBAZAN, M.M.  aSoil potassium in Uruguaybcurrent situation and future prospects.  c2012  aRecent field research in Uruguay has revealed K deficiencies in the main field crops of the country. A preliminary survey indicates that almost 5 M ha would be deficient in K. A critical soil test K (STK) level of 0.34 meq/100g (133 ppm) has been estimated based on 50 field trials conducted on the six primary field crops.  aSUELOS  aNIVEL CRÍTICO  aSOIL  aSUELOS MARGINALES1 aBAUTES, C.1 aBEUX, L.1 aBORDOLI, J.M.1 aCALIFRA, A.1 aCANO ,J.D. .1 aDEL PINO, A.1 aERNST, O.1 aGARCIA LAMOTHE, A.1 aGARCÍA, F.1 aMAZZILLI, S.1 aQUINCKE, A.  tBetter Crops With Plant Food, v, 96.n.4.,p.21-23,  2012