SOIL TAXONOMY.

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Lecture 5a Soil Taxonomy

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Presentation transcript:

SOIL TAXONOMY

IV. Soil Taxonomy Hierarchy Order Suborder Great Group Subgroup Family Series

IV. Soil Taxonomy Hierarchy (Frederick Series) Order (Ultisols) Suborder (Udults) Great Group (Paleudults) Subgroup (Typic Paleudults) Family (Clayey, Kaolinitic, Mesic) Series (Frederick) Clayey = > 35% clay Kaolinitic = clay > 50% Kaolinite Mesic Temperature = 47 -59 degrees F Clayey, Kaolinitic, Mesic, Typic, Paleudults Ultimate development Moist climate Thick solum and heavily weathered, old Central

IV. Soil Taxonomy Hierarchy (Lodi Series) Order (Ultisols) Suborder (Udults) Great Group (Hapludults) Subgroup (Typic Hapludults) Family (Clayey, Kaolinitic, Mesic) Series (Lodi) Clayey = > 35% clay Kaolinitic = clay > 50% Kaolinite Mesic Temperature = 47 -59 degrees F Clayey, Kaolinitic, Mesic, Typic, Hapludults

IV. Soil Taxonomy Hierarchy (Endcav Series) Order (Alfisol) Very Fine, mixed, mesic, Typic Hapludalf

Cantina

IV. Soil Taxonomy Hierarchy (Sequoia Series) Order (Ultisols) Clayey, Mixed, Mesic, Typic, Hapludults

IV. Soil Taxonomy Hierarchy (Weikert Series) Order (Inceptisols) Suborder (Inceptisols) Loamy-skeletal, mixed, active, mesic Lithic Dystrudepts Degree of activity of CEC Presence Of stones Humid Mixed clay mineralogy Low Base Satur. Inceptisols Loam texture w/ coarser fragments 47 -59 degrees F

Superactive Active Semiactive Subactive

IV. Soil Taxonomy Hierarchy (Buchanan Series) Order (Ultisols) Fine-Loamy, mixed, mesic Aquic Fragiudults

IV. Soil Taxonomy Hierarchy (Shenval Series) Order (Alfisols) Fine, mixed, mesic typic Paleudalfs

IV. Soil Taxonomy Hierarchy (Monongahela Series) Order (Ultisols) Fine-loamy, mixed, mesic, Typic Fragiudults

IV. Soil Taxonomy Hierarchy (Mill Rock Series) Order (Entisols) Mixed, mesic, Alfic Udipsamment

IV. Soil Taxonomy Hierarchy (Tioga Series) Order (Inceptisols) Coarse-loamy, mixed, mesic, Dystric, Fluventic Eutrochrept

IV. Soil Taxonomy Hierarchy (Massenetta Series) Order (Mollisols) Fine-Loamy, carbonatic, mesic, Fluvaqentic Hapludoll

IV. Soil Taxonomy Hierarchy (Edom Series) Order (Alfisol) Fine, illitic, mesic, Typic Hapludalfs

IV. Soil Taxonomy Hierarchy Piedmont Soils Davidson Series fine, kaolinitic, thermic, Rhodic, Paleudults (Kandiudults) Rabun Series Fine, kaolinitic, mesic, typic, Rhodudults

IV. Soil Taxonomy Hierarchy Piedmont Soils Watt Series Loamy-skeletal, mixed, mesic, umbric Dystrudepts

IV. Soil Taxonomy Hierarchy Piedmont Soils Penn Series Fine-loamy, mixed, superactive, mesic, ultic Hapludalfs Bucks Series Fine-loamy, mixed, active, mesic, Typic Hapludults Superactive Active Semiactive Subactive

IV. Soil Taxonomy Hierarchy Piedmont Soils Tatum Series Clayey, mixed, thermic, Typic Hapludults Nason Series

IV. Soil Taxonomy Hierarchy Piedmont Soils Wehadkee Series Fine-loamy, mixed, active, nonacid, thermic, Fluvaquentic Endoaquepts Rowland Series Fine-loamy, mixed, superactive, mesic Fluvaquentic Dystrudepts

IV. Soil Taxonomy Hierarchy Piedmont Soils Iredell Series Fine, montmorillonitic, thermic, vertic Hapludalfs or Fine, mixed, active, thermic, oxyaquic vertic Hapludalfs Oxyaquic: saturated soils, but are not reduced and do not contain redoximorphic features Orange Series Fine, smectitic, mesic, Albaquic Hapludalfs Zion Series Fine, mixed, thermic ultic Hapludalfs ultic: “sufficiently leached that base saturation is lower than for a typical Hapludalf”