Abstract
The application of chemical fertilizers and investigating the effect of plant growth promoting rhizobacteria and humic acid on morpho-physiological parameters of basil, studied by factorial experiment based on randomized complete block design with three replications at experimental farm of Shahid Chamran University in 2015. First factor was 6 types of fertilizer treatments (control, Azetobarvar1, Phosphatebarvar2, combination of biological fertilizers, chemical fertilizer, combination of biological fertilizers+chemical fertilizer (50%)) and second factor included humic acid (0 and 20 kg.ha-1). Morphological (plant height, leaf number and leaf area, fresh and dry weights of aerial parts) and physiological traits (chlorophyll a, b, total, carotenoid, net photosynthesis rate (Pn), transpiration rate (E), water use efficiency (WUE) and radiation use efficiency (RUE)) were measured at onset of flowering stage. The result showed that interaction between biofertilizer and humic acid on plant height, leaf area, fresh and dry weights of aerial parts, chlorophyll total, Pn and QY was significant. Also, the simple effect of biofertilizer leads to a significant increase in leaf number, chlorophyll a, b, and carotenoid. In often parameters, combination of biological fertilizers+chemical fertilizer (50%)+humic acid caused significant increase in compare with control but did not show significant difference with chemical fertilizer and combination of biological fertilizers+chemical fertilizer (50%)+humic acid. The application of biological fertilizers can be consider as a suitable way to replace part of chemical fertilizers.
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Claims 5
Claim · model-written summary
Biofertilizer and humic acid interacted significantly for basil height, leaf area, aerial fresh and dry weights, chlorophyll total, Pn and QY.
- Taxon
- basil
Ocimum basilicumt0 - Treatment
- biofertilizer and humic acide0
- Outcome
- plant height, leaf area, fresh and dry weights of aerial partse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interaction between biofertilizer and humic acid on plant height, leaf area, fresh and dry weights of aerial parts, chlorophyll total, Pn and QY was significant”
t0“basil (Ocimum basilicum var. thyrsiflorum)”
Claim · model-written summary
Biofertilizer significantly increased basil leaf number.
- Taxon
- basilOcimum basilicumt0
- Treatment
- biofertilizere0
- Outcome
- leaf numbere0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the simple effect of biofertilizer leads to a significant increase in leaf number, chlorophyll a, b, and carotenoid”
t0“basil (Ocimum basilicum var. thyrsiflorum)”
Claim · model-written summary
Biofertilizer significantly increased basil chlorophyll a and b and carotenoid.
- Taxon
- basilOcimum basilicumt0
- Treatment
- biofertilizere0
- Outcome
- chlorophyll a, b, and carotenoide0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the simple effect of biofertilizer leads to a significant increase in leaf number, chlorophyll a, b, and carotenoid”
t0“basil (Ocimum basilicum var. thyrsiflorum)”
Claim · model-written summary
Combined biological fertilizer, half chemical fertilizer and humic acid significantly increased most measured basil parameters versus control.
- Taxon
- basilOcimum basilicumt0
- Treatment
- combination of biological fertilizers+chemical fertilizer (50%)+humic acide0
- Outcome
- significant increasee0
- Direction
- increasee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combination of biological fertilizers+chemical fertilizer (50%)+humic acid caused significant increase in compare with control”
t0“basil (Ocimum basilicum var. thyrsiflorum)”
Claim · model-written summary
Biological fertilizers could replace part of chemical fertilizer in basil production.
- Taxon
- basilOcimum basilicumt0
- Outcome
- replace part of chemical fertilizerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of biological fertilizers can be consider as a suitable way to replace part of chemical fertilizers.”
t0“basil (Ocimum basilicum var. thyrsiflorum)”
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See all 6 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.