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In New England, red oak and white pine forests growing on sandy outwash sites are susceptible to nutrient losses due to inherently low nutrient capitals and/or nutrient depletion by past activities such as farming, fire, and intensive harvesting. Key nutrients such as calcium (Ca),magnesium (Mg), and potassium (K) are removed with biomass during harvesting operations, and are lost to increased leaching and erosion during and immediately after logging. In these forests, the highest base saturation or concentration of plant-available Ca, Mg, and K(63 to 92%) is found in the O horizon. As a result, special precautions are needed during harvest to prevent damage and nutrient depletion of the upper soil horizons. To mitigate nutrient losses we recommend using low-impact logging techniques, winter harvesting, and managing for white pine on these sites. North.J. Appl. For. 17(2):57-61.

Managing Oak and Pine Stands on Outwash Sands: Protecting Plant Nutrients