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Cited by 8 publications
(9 citation statements)
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“…The ability of certain water extractable humic substances in soil to enhance root uptake of nitrate and ammonium through several mechanisms has been discovered. Cacco et al. (2000) suggested that humic substances are directly involved in switching on nitrate transport genes in the root.…”
Section: Discussionmentioning
confidence: 99%
“…The ability of certain water extractable humic substances in soil to enhance root uptake of nitrate and ammonium through several mechanisms has been discovered. Cacco et al. (2000) suggested that humic substances are directly involved in switching on nitrate transport genes in the root.…”
Section: Discussionmentioning
confidence: 99%
“…This effect is greater on roots, resulting in increased proliferation of root hairs and enhancement of root initiation [70]. Valdrighi et al [72] and Cacco et al [73] reported increased N uptake associated with humic acids. The latter increases the permeability of membranes of root cells and or switch on NO 3 − transport genes in roots.…”
Section: Bioactive Metabolitesmentioning
confidence: 99%
“…In addition, it has also to be considered that under agronomic conditions, both efficiency and the regulation of NO 3 − ‐uptake systems may be enhanced by the presence of mycorrhizal associations (Hawkins and George ), humic substances (Cacco et al. ), allelopathic compounds such as coumarin (Abenavoli et al. ) and plant root growth‐promoting bacteria (Mantelin and Touraine ) or inhibited when the CO 2 concentration is rising in the atmosphere (Bloom et al.…”
Section: Traits Influencing N‐uptake Efficiencymentioning
confidence: 99%