Abstract
The study aimed to investigate the effect of adding humic acid on the adsorption of zinc and boron and on sunflower growth and yield. Field experiment was conducted at one of the research fields of the College of Agricultural Engineering Sciences, University of Baghdad, during the spring season of 2022, using sunflower (Helianthus annuus L.), cultivar Shamoos planted in Clay loam soil. The experiment involved three factors using a randomized complete block design (RCBD) with three replicates: humic acid (0 and 50 kg ha¹)and them symbols H0,H1, zinc sulfate (0, 15, and 30 kg ha-¹) them symbols Zn0,Zn1,Zn2, and boron (0, 6, and 12 kg ha-¹) and its symbols B0,B1,B2. Results showed that adding humic acid increased zinc and boron adsorption capacity in the soil. Moreover, humic acid, zinc and boron significantly improved plant height, leaf area, seed yield and water-use efficiency, with the highest water-use efficiency observed in the Zn2 treatment at 1.6642 kg m-³.
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Claims 9
Claim · model-written summary
Humic acid increased soil zinc adsorption capacity.
- Taxon
- SUNFLOWER
Helianthus annuust0 - Treatment
- humic acide0
- Outcome
- zinc and boron adsorption capacity in the soile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that adding humic acid increased zinc and boron adsorption capacity in the soil.”
t0“GROWTH AND YIELD OF SUNFLOWER”
Claim · model-written summary
Humic acid increased soil boron adsorption capacity.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- humic acide0
- Outcome
- zinc and boron adsorption capacity in the soile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that adding humic acid increased zinc and boron adsorption capacity in the soil.”
t0“GROWTH AND YIELD OF SUNFLOWER”
Claim · model-written summary
humic acid significantly improved plant height, leaf area, seed yield.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- humic acide0
- Outcome
- plant height, leaf area, seed yielde0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moreover, humic acid, zinc and boron significantly improved plant height, leaf area, seed yield and water-use efficiency, with the highest water-use efficiency observed in the Zn2 treatment at 1.6642 kg m-³.”
t0“GROWTH AND YIELD OF SUNFLOWER”
Claim · model-written summary
humic acid significantly improved water-use efficiency.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- humic acide0
- Outcome
- water-use efficiencye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moreover, humic acid, zinc and boron significantly improved plant height, leaf area, seed yield and water-use efficiency, with the highest water-use efficiency observed in the Zn2 treatment at 1.6642 kg m-³.”
t0“GROWTH AND YIELD OF SUNFLOWER”
Claim · model-written summary
zinc significantly improved plant height, leaf area, seed yield.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- zince0
- Outcome
- plant height, leaf area, seed yielde0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moreover, humic acid, zinc and boron significantly improved plant height, leaf area, seed yield and water-use efficiency, with the highest water-use efficiency observed in the Zn2 treatment at 1.6642 kg m-³.”
t0“GROWTH AND YIELD OF SUNFLOWER”
Claim · model-written summary
zinc significantly improved water-use efficiency.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- zince0
- Outcome
- water-use efficiencye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moreover, humic acid, zinc and boron significantly improved plant height, leaf area, seed yield and water-use efficiency, with the highest water-use efficiency observed in the Zn2 treatment at 1.6642 kg m-³.”
t0“GROWTH AND YIELD OF SUNFLOWER”
Claim · model-written summary
boron significantly improved plant height, leaf area, seed yield.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- borone0
- Outcome
- plant height, leaf area, seed yielde0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moreover, humic acid, zinc and boron significantly improved plant height, leaf area, seed yield and water-use efficiency, with the highest water-use efficiency observed in the Zn2 treatment at 1.6642 kg m-³.”
t0“GROWTH AND YIELD OF SUNFLOWER”
Claim · model-written summary
boron significantly improved water-use efficiency.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- borone0
- Outcome
- water-use efficiencye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moreover, humic acid, zinc and boron significantly improved plant height, leaf area, seed yield and water-use efficiency, with the highest water-use efficiency observed in the Zn2 treatment at 1.6642 kg m-³.”
t0“GROWTH AND YIELD OF SUNFLOWER”
Claim · model-written summary
Zn2 had the highest water-use efficiency, 1.6642 kg m-³.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- Zn2e0
- Outcome
- water-use efficiencye0
- Direction
- higheste0
- Value
- 1.6642 kg m-³e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moreover, humic acid, zinc and boron significantly improved plant height, leaf area, seed yield and water-use efficiency, with the highest water-use efficiency observed in the Zn2 treatment at 1.6642 kg m-³.”
t0“GROWTH AND YIELD OF SUNFLOWER”
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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.