Abstract
To ameliorate the problem of whiptail of cauliflower (Molybdenum-deficiency) in the Chotanagpur plateau of Bihar, a field study was conducted during three successive seasons: kharif 1986; rabi 1986 and kharif 1987 with two lime levels (0 and 3.1 t ha−1) and with seven Mo levels (0–3.0 kg ha−1). Molybdenum significantly reduced the percentage unmarketable curd yield due to Mo-deficiency from 14.8% at control to 6.3% at 2.0 kg Mo ha−1 but higher Mo rates increased the percentage (7.5–8.4%) causing curd deformity similar to that of Modeficiency; and increased curd diameter, weight and yield up to 1.5 kg Mo ha−1. Increasing Mo rates significantly increased Mo, Ca and Mg in leaf and available Mo in soil but reduced K in leaf. Massive losses of over 96% of applied Mo were observed at the conclusion of the study and significant residual available Mo in soil persisted only where the original Mo application rate was higher than 1.5 kg ha−1. Lime significantly increased curd diameter, weight and yield, Mo, Ca and K in leaf and available Mo as well as pH of soil. During rabi season, percentage unmarketable curd yield due to Mo deficiency was significantly lower (1.2%) compared to kharif seasons (9.4–15.9%). The enhancement of available Mo in soil due to lime was significant only in the kharif seasons. Successive croppings depressed Mo, Ca, Mg and K in leaf Both Mo and lime application Significantly enhanced the net returns, especially in rabi 1986. Application of 1.5 kg Mo ha−1 accompanied by lime mitigated whiptail of cauliflower and produced high curd yield for three successive cauliflower crops.
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Claims 14
Claim · model-written summary
Molybdenum reduced unmarketable curd yield due to deficiency from 14.8% to 6.3%.
- Taxon
- cauliflower
Brassica oleracea var. botrytist0 - Treatment
- 2.0 kg Mo ha−1e0
- Outcome
- percentage unmarketable curd yield due to Mo-deficiencye0
- Direction
- reducede0
- Value
- 6.3%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Molybdenum significantly reduced the percentage unmarketable curd yield due to Mo-deficiency from 14.8% at control to 6.3% at 2.0 kg Mo ha−1”
t0“Cauliflower”
Claim · model-written summary
Higher molybdenum rates increased unmarketable curds and caused deformity.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- higher Mo ratese0
- Outcome
- curd deformitye0
- Direction
- increasede0
- Value
- 7.5–8.4%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher Mo rates increased the percentage (7.5–8.4%) causing curd deformity similar to that of Modeficiency”
t0“Cauliflower”
Claim · model-written summary
Molybdenum increased curd diameter, weight and yield up to 1.5 kg Mo ha−1.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- 1.5 kg Mo ha−1e0
- Outcome
- curd diameter, weight and yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased curd diameter, weight and yield up to 1.5 kg Mo ha−1”
t0“Cauliflower”
Claim · model-written summary
Increasing molybdenum raised leaf Mo, Ca and Mg and soil available Mo.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- Increasing Mo ratese0
- Outcome
- Mo, Ca and Mg in leaf and available Mo in soile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing Mo rates significantly increased Mo, Ca and Mg in leaf and available Mo in soil”
t0“Cauliflower”
Claim · model-written summary
Increasing molybdenum reduced leaf potassium.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Outcome
- K in leafe0
- Direction
- reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but reduced K in leaf”
t0“Cauliflower”
Claim · model-written summary
More than 96% of applied molybdenum was lost by study end.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Outcome
- losses of over 96% of applied Moe0
- Value
- over 96%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Massive losses of over 96% of applied Mo were observed at the conclusion of the study”
t0“Cauliflower”
Claim · model-written summary
Residual soil molybdenum persisted only above the original 1.5 kg ha−1 application rate.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Outcome
- residual available Mo in soile0
- Qualifier
- higher than 1.5 kg ha−1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant residual available Mo in soil persisted only where the original Mo application rate was higher than 1.5 kg ha−1”
t0“Cauliflower”
Claim · model-written summary
Lime increased curd diameter, weight and yield.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- Limee0
- Outcome
- curd diameter, weight and yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lime significantly increased curd diameter, weight and yield”
t0“Cauliflower”
Claim · model-written summary
Lime increased leaf Mo, Ca and K, soil available Mo and soil pH.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- Limee0
- Outcome
- Mo, Ca and K in leaf and available Mo as well as pH of soile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lime significantly increased curd diameter, weight and yield, Mo, Ca and K in leaf and available Mo as well as pH of soil”
t0“Cauliflower”
Claim · model-written summary
Rabi had less unmarketable curd yield than kharif.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Outcome
- percentage unmarketable curd yield due to Mo deficiencye0
- Direction
- lowere0
- Value
- 1.2%e0
- Qualifier
- 9.4–15.9%e0
- Comparator
- kharif seasonse0
- Setting
- rabi seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During rabi season, percentage unmarketable curd yield due to Mo deficiency was significantly lower (1.2%) compared to kharif seasons (9.4–15.9%)”
t0“Cauliflower”
Claim · model-written summary
Lime increased available soil Mo significantly only in kharif.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- limee0
- Outcome
- available Mo in soile0
- Direction
- enhancemente0
- Setting
- kharif seasonse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The enhancement of available Mo in soil due to lime was significant only in the kharif seasons”
t0“Cauliflower”
Claim · model-written summary
Successive croppings depressed leaf Mo, Ca, Mg and K.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- Successive croppingse0
- Outcome
- Mo, Ca, Mg and K in leafe0
- Direction
- depressede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Successive croppings depressed Mo, Ca, Mg and K in leaf”
t0“Cauliflower”
Claim · model-written summary
Molybdenum and lime enhanced net returns, particularly in rabi 1986.
- Taxon
- CauliflowerBrassica oleracea var. botrytist0
- Treatment
- Mo and lime applicatione0
- Outcome
- net returnse0
- Direction
- enhancede0
- Setting
- rabi 1986e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both Mo and lime application Significantly enhanced the net returns, especially in rabi 1986”
t0“Cauliflower”
Claim · model-written summary
Application of 1.5 kg Mo ha−1 with lime mitigated whiptail and gave high curd yield across three crops.
- Taxon
- cauliflowerBrassica oleracea var. botrytise0
- Treatment
- 1.5 kg Mo ha−1 accompanied by limee0
- Outcome
- whiptail of cauliflower and produced high curd yielde0
- Direction
- mitigatede0
- Qualifier
- three successive cauliflower cropse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of 1.5 kg Mo ha−1 accompanied by lime mitigated whiptail of cauliflower and produced high curd yield for three successive cauliflower crops”
t0“Cauliflower”
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