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ABSTRACT
A study was made of two biosequences composed of Brunizem and Gray Brown Podzolic soils and their forested intergrades to determine some of the properties of the intergrades and their relationship to recognized great soil groups. The morphology of the intergrade soils is intermediate to that of the associated Brunizems and Gray Brown Podzolic soils. Laboratory data indicate that, genetically, the intergrade soils are related more closely to the Gray Brown Podzolic soils than to the Brunizems.
1 Journal Paper No. 2683 of the Iowa Agr. Exp. Sta., Ames, Iowa. Project No. 1151.
2 Assistant Agronomist, South Dakota Agr. Exp. Sta., Brookings, S. D., and formerly Research Associate, Iowa Agr. Exp. Sta.; and Professor of Soils, Department of Agronomy, Iowa State College, Ames, Iowa.
Received for publication January 12, 1955.
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