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Water-extractable humic substances enhance iron deficiency responses by Fe-deficient cucumber plants
The ability of Fe-deficient cucumber plants to use iron complexed to a water-extractable humic substances fraction (WEHS), was investigated. Seven-day-old Fe-deficient plants were transferred to a nutrient solution ...
Incidence of lime-induced chlorosis: plant response mechanisms and role of water soluble humic substances
Fe deficiency-induced chlorosis is a frequent problem in calcareous soils and represents a severe limitation to the productivity of many crops in the Mediterranean regions. Activation of plant response mechanisms and the ...