00852naa a2200253 a 450000100080000000500110000800800410001910000180006024500820007826000090016052002110016965000120038065000090039265000180040165000120041965000090043165300200044065300190046065300190047965300160049865300140051470000190052877300510054711298172019-07-09 1949 bl uuuu u00u1 u #d1 aBARGER, G. L. aA method for characterizing drought intensity in Iowa.h[electronic resource] c1949 aRainfall records and com yield figures for six Iowa counties, each representative of a specific association of soil arcas, have been analyzed to determine a method for characterizing drought in each county. adrought aIowa aUnited States aMétodo aSeca aCaracterization aCharacterizing aEstados Unidos aIntensidade aIntensity1 aTHOM, H. C. S. tAgronomy Journalgv. 41, n. 1, p. 13-19, 1949.