Addition of rice hulls in different substrates to Eucalyptus globulus seedlings production
DOI:
https://doi.org/10.20873/jbb.uft.cemaf.v5n1.figueredoKeywords:
organic substrate, seedlings production, substrates compositionAbstract
The production of forest seedlings is dependent of the processes of germination, root initiation and formation of roots and shoots, which influence indirectly the seedlings quality and they depend of substrate composition. Therefore, it was aimed to evaluate the addition of rice hulls in different substrates to better seedlings quality in Eucalyptus globulus. The experiment was conducted in a completely randomized design with four replications in a factorial scheme 3x5 , with three uncommercial substrates PlantFlorest I, II and III in the first factor, and proportions of 0, 25, 50, 75 and 100% of rice hulls in the second, plus Bioplant® commercial substrate. The plants were evaluated 65 days after sowing (DAS). E. globulus seedlings produced in the substrates PlantFlorest have higher performance for all evaluated variables compared to Bioplant® substrate. The addition of rice hulls in proportions under 50% provides better results for analyzed parameters,and using of substrate PlantFlorest III pure provides the seedlings production with higher IQD.
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