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Current Reclamation Research at the University of Illinois and Some Considerations in Constructing a Productive Soil

机译:伊利诺伊大学当前填海研究及建设生产性土壤的几点思考

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Surface mine reclamation research at the University of Illinois is directed toward identifying factors that limit productivity of disturbed soils. Six sets of field research plots are being established in southern and western Illinois to test several reclamation practices. The yield responses of corn and soybeans to A horizon replacement and several subsoil treatments are being determined. Lacking adequate data from controlled field experiments, most current reclamation practices will need to be guided by other kinds of data. Physical and chemical data indicate that B horizon material from some soils that have undesirable features can be improved by mixing in or substituting deeper materials. Other natural soils have nearly ideal B horizons with little need for amelioration. Additional field research is needed to evaluate alternative methods of soil construction. (ERA citation 07:052597)

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