An Alleged Excretion of Toxic Substances by Plant Roots

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SINCE the communication entitled “An Alleged Excretion of Toxic Substances by Plant Roots” appeared in NATURE (August 27, p. 402), it seems desirable to state the exact position taken by the Bureau of Soils on the question of deleterious substances in soils and root excretions.

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    Bulletins Nos. 28, 36, 40 and 41 Bureau of Soil; Rept. Hawaii Agr, Exp. Sta., 1906. p. 37; Journ. Biol. Chem., iii., Proc. 38 (1907); Journ. Amer. Chem. Soc., xxx., 1295 (1908); Science, xxvii., 190, 295, 328, 329 (1908).

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REED, H. An Alleged Excretion of Toxic Substances by Plant Roots. Nature 78, 541 (1908) doi:10.1038/078541b0

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