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Studies on the physiological effect of humic acid. 7. Promotive action of nitrohumic acid on the elongation and physiological activity of crop plant roots


, : Studies on the physiological effect of humic acid. 7. Promotive action of nitrohumic acid on the elongation and physiological activity of crop plant roots. Nippon Dojohiryogaku Zasshi 42(7): 291-294

The effects of nitrohumic acid on root elongation and root activity were investigated Elongation was promoted by sodium nitrohumate even as 0.08% solutions; this was due to an increase in cell elongation. Ability to oxidize alpha -naphthylamine and O2 uptake of roots increased on a /root basis after treatment, but decreased when expressed on a DM basis.

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