Diffusion and absorption of ions in plant tissue. I. Observations on the absorption of ammonium by cut discs of potato tubes as compared to maize roots
Acta botanica neerlandica , Volume 10 - Issue 3 p. 261- 273
NHi-absorption by maize plants and by cut discs of potato tuber was studied in relation to NHi-concentration, pH and concentration of added mono- and polyvalent cations. Striking differences in the behaviour of the two objects became apparent. The results are tentatively explained on the assumption that during steady state absorption in potato discs a gradient of NH4-concentration is maintained in the free space. Several explanations for the different behaviour of maize roots are discussed.
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T.H. van den Honert, & J.J.M. Hooymans. (1961). Diffusion and absorption of ions in plant tissue. I. Observations on the absorption of ammonium by cut discs of potato tubes as compared to maize roots. Acta botanica neerlandica, 10(3), 261–273.
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