Abstract
Field experiments were conducted during pre kharif 2010, 2011 and 2012 to study the effects of phosphorus and sulphur on yield parameters, yield, nodulation and nutrient uptake of green gram. The experiment was laid out in a factorial randomized block design with three replications having eight treatment combinations viz. four levels of sulphur (0, 20, 40, and 60 kg ha-1) as factor A and two levels of phosphorous (30 and 60 kg ha-1) as factor B. Experimental results revealed that yield attributing characters and seed yield of green gram were significantly influenced by phosphorus, sulphur and interaction effects of these two factors. Application of higher dose of phosphorus (60 kg ha-1) and increasing levels of sulphur up to 40 kg ha-1proved to be the best in improving the yield attributing characters and seed yield (1.62t ha-1)of green gram. Sulphur applied beyond 40 kg ha-1could not increase the parameters further. Application of sulphur 20 kg ha-1 significantly increased the active nodule no. and nodule dry weight of green gram and there after applied S beyond 20 kg ha-1the mean nodule production reached a more or less plateau pattern and application of lower dose of phosphorus without sulphur drastically reduced the nodule dry weight. Interaction of higher dose of phosphorus and higher dose S found to have a negative impact on yield. Application of varying levels of phosphorus and sulphur significantly improved the nutrient uptake by green gram in a sulphur deficient soil. Sulphur acted synergistically with nitrogen and increased the uptake of other nutrients. Application of 60 kg P205 ha-1 and 40 kg Sha-1 proved to be most economic in green gram with NPV 4.59.
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Claims 10
Claim · model-written summary
Phosphorus, sulphur and their interaction significantly influenced green gram yield attributes and seed yield.
- Taxon
- green gram
.jpg?width=60)
Vigna radiata var. radiatae0 - Treatment
- phosphorus, sulphure0
- Outcome
- yield attributing characters and seed yielde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“yield attributing characters and seed yield of green gram were significantly influenced by phosphorus, sulphur and interaction effects of these two factors”
Claim · model-written summary
60 kg ha-1 phosphorus with sulphur up to 40 kg ha-1 best improved yield attributes and seed yield to 1.62t ha-1.
- Taxon
- green gramVigna radiata var. radiatae0
- Treatment
- phosphorus (60 kg ha-1) and increasing levels of sulphur up to 40 kg ha-1e0
- Outcome
- yield attributing characters and seed yielde0
- Direction
- improvinge0
- Value
- 1.62t ha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher dose of phosphorus (60 kg ha-1) and increasing levels of sulphur up to 40 kg ha-1proved to be the best in improving the yield attributing characters and seed yield (1.62t ha-1)of green gram”
Claim · model-written summary
Sulphur beyond 40 kg ha-1 did not further increase yield parameters.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- Sulphur applied beyond 40 kg ha-1e0
- Outcome
- parameterse0
- Direction
- could not increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sulphur applied beyond 40 kg ha-1could not increase the parameters further”
t0“green gram”
Claim · model-written summary
20 kg ha-1 sulphur significantly increased active nodule number and nodule dry weight.
- Taxon
- green gramVigna radiata var. radiatae0
- Treatment
- sulphur 20 kg ha-1e0
- Outcome
- active nodule no. and nodule dry weighte0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of sulphur 20 kg ha-1 significantly increased the active nodule no. and nodule dry weight of green gram”
Claim · model-written summary
Nodule production plateaued beyond 20 kg ha-1 sulphur.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- S beyond 20 kg ha-1e0
- Outcome
- mean nodule productione0
- Direction
- plateaue0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applied S beyond 20 kg ha-1the mean nodule production reached a more or less plateau pattern”
t0“green gram”
Claim · model-written summary
Low phosphorus without sulphur drastically reduced nodule dry weight.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- lower dose of phosphorus without sulphure0
- Outcome
- nodule dry weighte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of lower dose of phosphorus without sulphur drastically reduced the nodule dry weight”
t0“green gram”
Claim · model-written summary
High phosphorus combined with high sulphur negatively affected green gram yield.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- higher dose of phosphorus and higher dose Se0
- Outcome
- yielde0
- Direction
- negative impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Interaction of higher dose of phosphorus and higher dose S found to have a negative impact on yield”
t0“green gram”
Claim · model-written summary
Varying phosphorus and sulphur rates significantly improved green gram nutrient uptake in sulphur deficient soil.
- Taxon
- green gramVigna radiata var. radiatae0
- Treatment
- varying levels of phosphorus and sulphure0
- Outcome
- nutrient uptakee0
- Direction
- improvede0
- Setting
- sulphur deficient soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“varying levels of phosphorus and sulphur significantly improved the nutrient uptake by green gram in a sulphur deficient soil”
Claim · model-written summary
Sulphur acted synergistically with nitrogen and increased other nutrient uptake.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- Sulphure0
- Compound
- nitrogene0
- Outcome
- uptake of other nutrientse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sulphur acted synergistically with nitrogen and increased the uptake of other nutrients”
t0“green gram”
Claim · model-written summary
The authors identified 60 kg P205 ha-1 plus 40 kg Sha-1 as most economic, with NPV 4.59.
- Taxon
- green gramVigna radiata var. radiatae0
- Treatment
- 60 kg P205 ha-1 and 40 kg Sha-1e0
- Outcome
- NPVe0
- Direction
- most economice0
- Value
- 4.59e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of 60 kg P205 ha-1 and 40 kg Sha-1 proved to be most economic in green gram with NPV 4.59”
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