Published in Scientific Papers. Series B, Horticulture, Vol. LXIV, Issue 1
Written by Galya DOBREVSKA, Manol DALLEV, Rada POPOVA
Two products are applied as supplements in soil - natural humates and pyrolisis residue - during shoot production of apple rootstock MM106 in stool bed. Chemical analysis of the experimental supplements shows high levels of organic substances, as well as a supply of macro and micro elements. Some growth manifestations of shoots are analysed. There are several combinations of shoots: covered by soil with supplements in different doses and without supplements. The improved values of some of the monitored growth indicators are observed in the combinations with soil with supplements, especially the ones with a higher supplement dose. Among the monitored growth indicators, improved plant development is achieved in respect to length, thickness, feathering and rooting which aligns with the standard norms.
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