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Points from Foregoing Letters

Nature volume 145, page 32 (06 January 1940) | Download Citation

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Abstract

A. I. Virtanen and M. Torniainen suggest that the discrepancies in their results and those of others experimenting on the excretion of nitrogen compounds from leguminous roots may be ascribed to the quality of the containers, and especially to their porosity. Observations show that the pots giving best results should be large and very porous.

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https://doi.org/10.1038/145032b0

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