Abstract
This study aimed to evaluate the effects of fertigation with humic substances, with and without the addition of plant extracts, on the root system of the 'BRS Princesa' banana cultivar. The banana crop was cultivated at a spacing of 2.0 x 2.5 m and fertigated using a drip system in a dystrocohesive Yellow Latosol. The experimental design was randomized blocks, in a split-split-plot scheme with five replicates, for the following factors: humic substance doses and presence of a plant extract formulation. The treatments consisted of five doses of humic substances, based on a reference dose of 14.14 L ha-1 cycle-1, in the presence and absence of plant extract. The variable root length (cm) was subjected to variance analyses to evaluate the effect of the humic substances, either isolated or in interaction with plant extract and soil depth. The use of the plant extract increased the effect of the humic substance on root length but overshadowed its effect for the different doses of humic substance. Root length was not sensitive to increasing humic substance dose with plant extract for doses of up to 42.42 L ha-1at 0 – 0.40 m depth.
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Claims 2
Claim · model-written summary
Plant extract increased the effect of humic substances on banana root length.
Verbatim
e0“The use of the plant extract increased the effect of the humic substance on root length but overshadowed its effect for the different doses of humic substance.”
t0“banana”
Claim · model-written summary
With plant extract, banana root length was not sensitive to increasing humic substance dose up to 42.42 L ha-1 at 0–0.40 m depth.
- Taxon
- bananat0
- Treatment
- increasing humic substance dose with plant extracte0
- Outcome
- Root lengthe0
- Direction
- not sensitivee0
- Qualifier
- up to 42.42 L ha-1at 0 – 0.40 m depthe0
Not reportedComparator
Verbatim
e0“Root length was not sensitive to increasing humic substance dose with plant extract for doses of up to 42.42 L ha-1at 0 – 0.40 m depth.”
t0“banana”
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