Abstract
Molybdenum (Mo) is an essential micronutrient for crop plants, and its deficiency has been reported in many parts of the world. Two greenhouse experiments were conducted with the objective to determine Mo requirements of dry bean (Phaseolus vulgaris L.) grown on a Brazilian Oxisol with and without liming. The Mo treatments were 0, 5, 10, 15, and 20 mg kg−1. In one experiment dolomitic lime was added at the rate of 2.5 g per kg of soil before the application of Mo treatments and incubated 5 weeks before sowing. In other experiments, Mo treatments were same as the lime-added experiment but no lime was added. Most of the growth, yield, and yield components were significantly increased with the addition of Mo in both the experiment. Growth, yield, and yield components were increased in a quadratic fashion when Mo was applied in the range of 0 to 20 mg kg−1. Maximum shoot dry weight was obtained with the addition of 17 mg Mo kg−1 in the experiment with Mo rates without lime and 9.69 mg Mo kg−1 in the experiment of Mo rates with lime application. Maximum seed yield was obtained with the application of 10.48 mg Mo kg−1 in the experiment that did not receive lime along with Mo treatments and 10.28 mg Mo kg−1 in the experiment that received lime along with Mo treatments. Similarly, the maximum number of pods per plant was obtained with the addition of 9.33 mg Mo kg−1 in the experiment that did not receive lime and 8.83 mg Mo kg−1 in the experiment that did receive lime. Maximum root length was obtained with the addition of 12.38 Mo kg−1 in the experiment that did not receive lime and 9.75 mg Mo kg−1 in the experiment that received lime. Maximum root dry weight was obtained with the addition of 11.67 mg Mo kg−1 in the experiment that did not receive lime and 9.28 mg Mo in the experiment that received lime. Soil properties determined after harvest of dry bean plants were not influenced significantly with the addition of Mo in the Oxisol under investigation.
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Claims 13
Claim · model-written summary
Adding Mo significantly increased growth, yield and yield components in both experiments.
- Taxon
- dry beant0
- Treatment
- addition of Moe0
- Outcome
- growth, yield, and yield componentse0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“Most of the growth, yield, and yield components were significantly increased with the addition of Mo in both the experiment.”
t0“Dry Bean”
Claim · model-written summary
Mo from 0 to 20 mg kg−1 gave a quadratic growth and yield response.
Verbatim
e0“Growth, yield, and yield components were increased in a quadratic fashion when Mo was applied in the range of 0 to 20 mg kg−1.”
t0“Dry Bean”
Claim · model-written summary
Without lime maximum shoot dry weight occurred at 17 mg Mo kg−1.
Verbatim
e0“Maximum shoot dry weight was obtained with the addition of 17 mg Mo kg−1 in the experiment with Mo rates without lime”
t0“Dry Bean”
Claim · model-written summary
With lime maximum shoot dry weight occurred at 9.69 mg Mo kg−1.
Verbatim
e0“9.69 mg Mo kg−1 in the experiment of Mo rates with lime application.”
t0“Dry Bean”
Claim · model-written summary
Without lime maximum seed yield occurred at 10.48 mg Mo kg−1.
Verbatim
e0“Maximum seed yield was obtained with the application of 10.48 mg Mo kg−1 in the experiment that did not receive lime”
t0“Dry Bean”
Claim · model-written summary
With lime maximum seed yield occurred at 10.28 mg Mo kg−1.
Verbatim
e0“10.28 mg Mo kg−1 in the experiment that received lime along with Mo treatments.”
t0“Dry Bean”
Claim · model-written summary
Without lime maximum pods per plant occurred at 9.33 mg Mo kg−1.
Verbatim
e0“maximum number of pods per plant was obtained with the addition of 9.33 mg Mo kg−1 in the experiment that did not receive lime”
t0“Dry Bean”
Claim · model-written summary
With lime maximum pods per plant occurred at 8.83 mg Mo kg−1.
Verbatim
e0“8.83 mg Mo kg−1 in the experiment that did receive lime.”
t0“Dry Bean”
Claim · model-written summary
Without lime maximum root length occurred at 12.38 Mo kg−1.
Verbatim
e0“Maximum root length was obtained with the addition of 12.38 Mo kg−1 in the experiment that did not receive lime”
t0“Dry Bean”
Claim · model-written summary
With lime maximum root length occurred at 9.75 mg Mo kg−1.
Verbatim
e0“9.75 mg Mo kg−1 in the experiment that received lime.”
t0“Dry Bean”
Claim · model-written summary
Without lime maximum root dry weight occurred at 11.67 mg Mo kg−1.
Verbatim
e0“Maximum root dry weight was obtained with the addition of 11.67 mg Mo kg−1 in the experiment that did not receive lime”
t0“Dry Bean”
Claim · model-written summary
With lime maximum root dry weight occurred at 9.28 mg Mo.
Verbatim
e0“9.28 mg Mo in the experiment that received lime.”
t0“Dry Bean”
Claim · model-written summary
Mo did not significantly influence soil properties after harvest.
Not reportedComparator
Verbatim
e0“Soil properties determined after harvest of dry bean plants were not influenced significantly with the addition of Mo in the Oxisol under investigation.”
The same questions in other papers
molybdenum atom · yield · Phaseolus vulgaris (common bean)Results differ
20 papers in the same direction as this paper · 7 in the opposite direction · 2 reporting no difference from an alternative
- positive
- positive
- no effect
26 papers more in this group
See all 30 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.