BioAg – Fulvic acid is our speciality. We provide top ......GORTER C, J. (1969) Auxin-synergists...
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BioAg – Fulvic acid is our speciality. We provide top ......GORTER C, J. (1969) Auxin-synergists in the rooting of cuttings. Physiologia Pl. 22, 497—502. LucKWILL L. C. (1956)