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Nitrogen sources of seed plants and environmental influences affecting the nitrogen supply

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  1. New Mexico Highlands University, Las Vegas, N. Mex.

    Lora Mangum Shields

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This study was completed as background for an original investigation made possible by a grant from The Society of Sigma Xi.

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Shields, L.M. Nitrogen sources of seed plants and environmental influences affecting the nitrogen supply. Bot. Rev 19, 321–376 (1953). https://doi.org/10.1007/BF02861829

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