Abstract
A field experiment was conducted at the Agricultural Research Station, College of Agriculture, University of Basrah during the growing season of 2021- 2022 to study the effect of adding humic acids either to soil or spraying on plant along with recommended chemical fertilizers(NPK) on availability of N, P, and K and EC and pH of soil as well as growth and yield of okra. The results showed an increase in the availability of N,P and K by adding humic acid to the soil while spraying of humic acid had no clear differences with chemical fertilizers treatments. Addition of humic acid to soil decreased EC while addition as foliar application increase EC of soil. Addition of humic acid along with chemical fertilizers to soil or spraying on plant led to an increase in concentrations of N, P, and K in the leaves and their uptake with superiority of spraying treatment over soil application treatments. Increasing humic acid level spraying on plant from 0.5 to 1.0gL-1 significantly decreased N,P and K concentrations and uptakes. Similar findings were obtained for dry matter and fruits yield. The lower the level of humic acid ,The higher the dry matter and yield. The highest value of okra fruit yield 2791.06 kgha-1 was obtained with treatment involved spraying of 0.5gL-1 humic acid plus full recommended chemical fertilizers.
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Claims 12
Claim · model-written summary
Soil-applied humic acid increased available soil N, P and K.
- Taxon
- okra
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Abelmoschus esculentust0 - Treatment
- adding humic acid to the soile0
- Outcome
- availability of N,P and Ke0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The results showed an increase in the availability of N,P and K by adding humic acid to the soil while spraying of humic acid had no clear differences with chemical fertilizers treatments.”
t0“Okra”
Claim · model-written summary
Foliar humic acid showed no clear difference from chemical fertilizer treatments for soil N, P and K availability.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- spraying of humic acide0
- Outcome
- availability of N,P and Ke0
- Direction
- no clear differencese0
- Comparator
- chemical fertilizers treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed an increase in the availability of N,P and K by adding humic acid to the soil while spraying of humic acid had no clear differences with chemical fertilizers treatments.”
t0“Okra”
Claim · model-written summary
Soil-applied humic acid decreased soil EC.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- Addition of humic acid to soile0
- Outcome
- ECe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of humic acid to soil decreased EC while addition as foliar application increase EC of soil.”
t0“Okra”
Claim · model-written summary
Foliar-applied humic acid increased soil EC.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- addition as foliar applicatione0
- Outcome
- EC of soile0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of humic acid to soil decreased EC while addition as foliar application increase EC of soil.”
t0“Okra”
Claim · model-written summary
Humic acid with chemical fertilizers increased N, P and K concentrations in okra leaves.
- Taxon
- okraAbelmoschus esculentust0
- Organ / stage
- leavese0
- Treatment
- humic acid along with chemical fertilizerse0
- Outcome
- concentrations of N, P, and K in the leavese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of humic acid along with chemical fertilizers to soil or spraying on plant led to an increase in concentrations of N, P, and K in the leaves and their uptake with superiority of spraying treatment over soil application treatments.”
t0“Okra”
Claim · model-written summary
Humic acid with chemical fertilizers increased okra N, P and K uptake.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- humic acid along with chemical fertilizerse0
- Outcome
- N, P, and K in the leaves and their uptakee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of humic acid along with chemical fertilizers to soil or spraying on plant led to an increase in concentrations of N, P, and K in the leaves and their uptake with superiority of spraying treatment over soil application treatments.”
t0“Okra”
Claim · model-written summary
Foliar humic acid outperformed soil application for leaf nutrient concentration and uptake.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- spraying treatmente0
- Outcome
- Nutrients Availabilityt0
- Direction
- superioritye0
- Comparator
- soil application treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with superiority of spraying treatment over soil application treatments.”
t0“Effect of Humic Acid Application Methods on Nutrients Availability and Growth and Yield of Okra(ABELMOSCHUS ESCULLANTUS L.)”
Claim · model-written summary
Raising foliar humic acid from 0.5 to 1.0gL-1 significantly decreased leaf N, P and K concentrations.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- humic acid level spraying on plant from 0.5 to 1.0gL-1e0
- Outcome
- N,P and K concentrationse0
- Direction
- decreasede0
- Comparator
- 0.5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing humic acid level spraying on plant from 0.5 to 1.0gL-1 significantly decreased N,P and K concentrations and uptakes.”
t0“Okra”
Claim · model-written summary
Raising foliar humic acid from 0.5 to 1.0gL-1 significantly decreased N, P and K uptake.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- humic acid level spraying on plant from 0.5 to 1.0gL-1e0
- Outcome
- N,P and K concentrations and uptakese0
- Direction
- decreasede0
- Comparator
- 0.5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing humic acid level spraying on plant from 0.5 to 1.0gL-1 significantly decreased N,P and K concentrations and uptakes.”
t0“Okra”
Claim · model-written summary
Lower humic acid levels gave higher dry matter.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- lower the level of humic acide0
- Outcome
- dry mattere0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lower the level of humic acid ,The higher the dry matter and yield.”
t0“Okra”
Claim · model-written summary
Lower humic acid levels gave higher yield.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- lower the level of humic acide0
- Outcome
- yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lower the level of humic acid ,The higher the dry matter and yield.”
t0“Okra”
Claim · model-written summary
Foliar 0.5gL-1 humic acid with full recommended fertilizer produced the maximum okra fruit yield of 2791.06 kgha-1.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- spraying of 0.5gL-1 humic acid plus full recommended chemical fertilizerse0
- Outcome
- fruit yielde0
- Direction
- higheste0
- Value
- 2791.06 kgha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest value of okra fruit yield 2791.06 kgha-1 was obtained with treatment involved spraying of 0.5gL-1 humic acid plus full recommended chemical fertilizers.”
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See all 9 papers →8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.