PHOSPHORUS-ADSORBING CAPACITIES OF SOME NEW JERSEY SOILS

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Abstract
The P-adsorbing capacity of 5 Coastal Plain and 12 Appalachian Province soils of New Jersey was detd. by a standard procedure. The adsorbing capacities of the A horizons of the soils ranged from 0.03 m.e. P per 100 g. for the Lakewood sand to 64.4 m.e. for the Norton silt loam. Liming reduced P-adsorption on all soils. Each profile tested exhibited a definite pattern of P-adsorption, which with certain soils was related to the degree of podzolization. In general, however, the patterns of P-adsorption were not similar and varied from soil to soil. Soils of New Jersey that have a low P-adsorption value are the Lakewood, Evesboro and Sassafras, and those possessing high P-adsorption values include the Rocka-way, Collington, and Norton series.

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