Abstract
The addition of boron (B) fertilizers to soils with low B content is required for augmenting crop yield. Therefore, it is imperative to have knowledge about the impact of long-term B addition at various dosages on crop yield and soil-B dynamics. A field experiment of a 6-year duration was carried out at Anand Agricultural University, Gujarat, India to study the influence of long-term B fertilization in the groundnut (Arachis hypogaea L.)-cabbage (Brassica oleracea var. capitata) cropping system in different rates and frequencies on yield of crops and soil-B dynamics. The direct effect of B addition on groundnut yield and the residual effect on succeeding cabbage crop yield was eval-uated. The treatments of the experiment encompassed various combinations of three frequencies and four rates of B application including one control (no B application). The application of B at different rates and frequencies significantly increased groundnut and cabbage yield in comparison to yield attained under the control. The addition of 1.0 kg B ha−1 in alternate years was found op-timum for enhancing the yield of groundnut and cabbage crops grown on study soil. Boron appli-cation enhanced B content in groundnut pod, haulm, cabbage and available B in soil. Optimal available B content in soil was 1.25 mg kg−1 for both groundnut pod and cabbage-head yield. The application of B with different rates and frequencies significantly enhanced B fractions in soil. The content of different fractions improved with the increase in rates of B application. The percentage contribution of various B fractions towards total B content followed the order: readily soluble B (0.43 to 0.55%) < specifically adsorbed B (0.74 to 0.98%) < organically bound B (0.70 to 1.55%) < ox-ide bound B (1.26 to 3.11%) < residual boron B (93 to 96.8%). Path analysis revealed the highest contribution of total boron towards groundnut-pod yield with a coefficient value of 4.30. Whereas oxide-bound boron fraction contributed to the maximum extent with a coefficient value of 0.91 towards cabbage-head yield. This information will be useful for B management in the ground-nut-cabbage cropping system grown on studied soil.
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Claims 13
Claim · model-written summary
B application significantly increased groundnut yield against control.
- Taxon
- groundnut
Arachis hypogaeae0 - Treatment
- application of B at different rates and frequenciese0
- Outcome
- groundnute0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of B at different rates and frequencies significantly increased groundnut and cabbage yield in comparison to yield attained under the control.”
Claim · model-written summary
B application significantly increased cabbage yield against control.
- Taxon
- cabbage
Brassica oleracea var. capitatae0 - Treatment
- application of B at different rates and frequenciese0
- Outcome
- cabbage yielde0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of B at different rates and frequencies significantly increased groundnut and cabbage yield in comparison to yield attained under the control.”
Claim · model-written summary
Alternate-year application of 1.0 kg B ha−1 was optimal for groundnut and cabbage yield.
- Taxon
- groundnut and cabbageBrassica oleracea var. capitataArachis hypogaeae0
- Treatment
- 1.0 kg B ha−1 in alternate yearse0
- Outcome
- enhancing the yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The addition of 1.0 kg B ha−1 in alternate years was found op-timum for enhancing the yield of groundnut and cabbage crops grown on study soil.”
Claim · model-written summary
B application enhanced groundnut pod B content.
- Taxon
- groundnutArachis hypogaeae0
- Treatment
- Boron appli-catione0
- Outcome
- B content in groundnut pode0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron appli-cation enhanced B content in groundnut pod, haulm, cabbage and available B in soil.”
Claim · model-written summary
B application enhanced groundnut haulm B content.
- Taxon
- groundnutArachis hypogaeae0
- Organ / stage
- haulme0
- Treatment
- Boron appli-catione0
- Outcome
- B contente0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron appli-cation enhanced B content in groundnut pod, haulm, cabbage and available B in soil.”
Claim · model-written summary
B application enhanced cabbage B content.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Treatment
- Boron appli-catione0
- Outcome
- B contente0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron appli-cation enhanced B content in groundnut pod, haulm, cabbage and available B in soil.”
Claim · model-written summary
B application enhanced available soil B.
- Taxon
- groundnutArachis hypogaeae0
- Treatment
- Boron appli-catione0
- Outcome
- available B in soile0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron appli-cation enhanced B content in groundnut pod, haulm, cabbage and available B in soil.”
Claim · model-written summary
Optimal available soil B for groundnut pod and cabbage head yield was 1.25 mg kg−1.
- Taxon
- groundnutArachis hypogaeae0
- Outcome
- groundnut pode0
- Value
- 1.25 mg kg−1e0
- Setting
- soile0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Optimal available B content in soil was 1.25 mg kg−1 for both groundnut pod and cabbage-head yield.”
Claim · model-written summary
B rates and frequencies significantly enhanced soil B fractions.
- Taxon
- groundnutArachis hypogaeae1
- Treatment
- application of B with different rates and frequenciese0
- Outcome
- B fractions in soile0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of B with different rates and frequencies significantly enhanced B fractions in soil.”
e1“groundnut pod and cabbage-head yield”
Claim · model-written summary
Soil B fractions increased with B application rate.
- Taxon
- groundnutArachis hypogaeae1
- Treatment
- rates of B applicatione0
- Outcome
- content of different fractionse0
- Direction
- improvede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The content of different fractions improved with the increase in rates of B application.”
e1“groundnut pod and cabbage-head yield”
Claim · model-written summary
Residual B accounted for 93 to 96.8% of total soil B, exceeding other fractions.
- Taxon
- groundnutArachis hypogaeae1
- Outcome
- residual boron Be0
- Value
- 93 to 96.8%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“residual boron B (93 to 96.8%)”
e1“groundnut pod and cabbage-head yield”
Claim · model-written summary
Total B had the greatest path contribution to groundnut pod yield, coefficient 4.30.
- Taxon
- groundnutArachis hypogaeae0
- Compound
- total borone0
- Outcome
- groundnut-pod yielde0
- Direction
- highest contributione0
- Value
- 4.30e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Path analysis revealed the highest contribution of total boron towards groundnut-pod yield with a coefficient value of 4.30.”
Claim · model-written summary
Oxide-bound B contributed most to cabbage head yield, coefficient 0.91.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Compound
- oxide-bound boron fractione0
- Outcome
- cabbage-head yielde0
- Direction
- maximume0
- Value
- 0.91e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“oxide-bound boron fraction contributed to the maximum extent with a coefficient value of 0.91 towards cabbage-head yield.”
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See all 7 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.