Abstract
Modern agriculture over the years has resulted in depletion of boron (B) from soil which has been emerged as a serious obstacle for sustainable agriculture. We studied the availability of B in soil and cauliflower (Brassica oleracea var. botrytis L.) productivity under different levels of B fertilization. A field experiment was conducted during 2013–2014 and 2014–2015, at experimental farm of Himachal Pradesh Agricultural University, Palampur on silt-clay loam soil (acid Alfisol) under mid hill wet temperate condition. Different levels of B for the study included 0, 0.75, 1.5, 2.5, 5, 10, 20 and 30 kg B ha−1 along with recommended dose (RD) of NPK and farmyard manure (FYM, 20 t ha−1). The application of B influenced biological yield significantly up to 5 kg ha−1. Highest curd yield in 2013–2014 (11.03 t ha−1) and 2014–2015 (12.93 t ha−1) was recorded in 1.5 and 0.75 kg ha−1 B along with NPK + FYM, respectively. At higher rates of boron i.e. 10, 20 and 30 kg ha−1, due to toxic effects, a reduction in curd yield was recorded in both years. Maximum mean uptake of N, P and K by leaves and curd was recorded with the application of boron at 1.5 kg ha−1, whereas mean B uptake was highest when boron was applied at 2.5 kg ha−1. The highest mean value (1.79 mg kg−1) of soil available boron was recorded with 30 kg B ha−1. Application of boron at 2.4 kg ha−1 was worked out as optimum dose for cauliflower.
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Claims 8
Claim · model-written summary
Boron increased biological yield significantly up to 5 kg ha−1.
- Taxon
- cauliflower
Brassica oleracea var. botrytist0 - Treatment
- Be0
- Outcome
- biological yielde0
- Value
- 5 kg ha−1e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of B influenced biological yield significantly up to 5 kg ha−1.”
t0“cauliflower”
Claim · model-written summary
The highest 2013–2014 curd yield was 11.03 t ha−1 with 1.5 kg ha−1 B plus NPK and FYM.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- 1.5 and 0.75 kg ha−1 B along with NPK + FYMe0
- Outcome
- curd yielde0
- Direction
- Higheste0
- Value
- 11.03 t ha−1e0
- Qualifier
- 2013–2014e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Highest curd yield in 2013–2014 (11.03 t ha−1) and 2014–2015 (12.93 t ha−1) was recorded in 1.5 and 0.75 kg ha−1 B along with NPK + FYM, respectively.”
t0“cauliflower”
Claim · model-written summary
The highest 2014–2015 curd yield was 12.93 t ha−1 with 0.75 kg ha−1 B plus NPK and FYM.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- 0.75 kg ha−1 B along with NPK + FYMe0
- Outcome
- curd yielde0
- Direction
- Higheste0
- Value
- 12.93 t ha−1e0
- Qualifier
- 2014–2015e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Highest curd yield in 2013–2014 (11.03 t ha−1) and 2014–2015 (12.93 t ha−1) was recorded in 1.5 and 0.75 kg ha−1 B along with NPK + FYM, respectively.”
t0“cauliflower”
Claim · model-written summary
Boron at 10, 20, and 30 kg ha−1 reduced curd yield in both years.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- 10, 20 and 30 kg ha−1e0
- Outcome
- curd yielde0
- Direction
- reductione0
- Qualifier
- both yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At higher rates of boron i.e. 10, 20 and 30 kg ha−1, due to toxic effects, a reduction in curd yield was recorded in both years.”
t0“cauliflower”
Claim · model-written summary
Mean N, P, and K uptake by leaves and curd was greatest with 1.5 kg ha−1 boron.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- boron at 1.5 kg ha−1e0
- Outcome
- mean uptake of N, P and K by leaves and curde0
- Direction
- Maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum mean uptake of N, P and K by leaves and curd was recorded with the application of boron at 1.5 kg ha−1”
t0“cauliflower”
Claim · model-written summary
Mean boron uptake was highest at 2.5 kg ha−1 boron.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- boron was applied at 2.5 kg ha−1e0
- Outcome
- mean B uptakee0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mean B uptake was highest when boron was applied at 2.5 kg ha−1.”
t0“cauliflower”
Claim · model-written summary
Soil available boron peaked at 1.79 mg kg−1 with 30 kg B ha−1.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- 30 kg B ha−1e0
- Outcome
- soil available borone0
- Direction
- higheste0
- Value
- 1.79 mg kg−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest mean value (1.79 mg kg−1) of soil available boron was recorded with 30 kg B ha−1.”
t0“cauliflower”
Claim · model-written summary
The authors calculated 2.4 kg ha−1 boron as the optimum dose for cauliflower.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Treatment
- boron at 2.4 kg ha−1e0
- Outcome
- optimum dose for cauliflowere0
- Value
- 2.4 kg ha−1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of boron at 2.4 kg ha−1 was worked out as optimum dose for cauliflower.”
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