Abstract
A field experiment carried out during the rainy season of 2001 and 2002 on clay loam alkaline soil at Udaipur (Rajasthan) showed that soybean [Glycine max (L) Merr.] variety ‘JS 335’ outyielded ‘NRC 37’ and ‘JS 71–05’ in terms of N and P uptake. Crop geometries (30 cm x 10 cm and 20 cm x 15 cm) did not show any significant variation for N and P uptake by crop and associated weeds. All the weed-management treatments significantly reduced removal of N and P by weeds and enhanced uptake of these nutrients by soybean compared to weedy check. Two hand-weedings at 20 and 40 days after sowing and pre-emergence application of clomazone at 1.0 kg/ha + hand-weeding at 40 days were at par and resulted in significant reduction in uptake of N and P by weeds and increase in uptake of these nutrients by soybean compared to all other methods of weed control. Seed and straw yields of soybean were also increased significantly owing to these 2 methods of weed control compared to rest of the methods.
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Claims 10
Claim · model-written summary
JS 335 exceeded NRC 37 and JS 71–05 in nitrogen and phosphorus uptake.
- Taxon
- soybean
Glycine maxe0 - Material
- JS 335e0
- Treatment
- variety ‘JS 335’e0
- Outcome
- N and P uptakee0
- Direction
- outyieldede0
- Comparator
- ‘NRC 37’ and ‘JS 71–05’e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean [Glycine max (L) Merr.] variety ‘JS 335’ outyielded ‘NRC 37’ and ‘JS 71–05’ in terms of N and P uptake.”
Claim · model-written summary
The two crop geometries did not significantly differ in crop nitrogen and phosphorus uptake.
- Taxon
- soybeanGlycine maxt0
- Treatment
- 30 cm x 10 cme0
- Outcome
- N and P uptake by crope0
- Direction
- did not show any significant variatione0
- Comparator
- 20 cm x 15 cme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Crop geometries (30 cm x 10 cm and 20 cm x 15 cm) did not show any significant variation for N and P uptake by crop and associated weeds.”
t0“soybean (Glycine max)”
Claim · model-written summary
The two crop geometries did not significantly differ in weed nitrogen and phosphorus uptake.
Verbatim
e0“Crop geometries (30 cm x 10 cm and 20 cm x 15 cm) did not show any significant variation for N and P uptake by crop and associated weeds.”
Claim · model-written summary
Weed management significantly reduced weed nitrogen and phosphorus removal versus a weedy check.
- Taxon
- weedse0
- Treatment
- weed-management treatmentse0
- Interactor
- soybeanGlycine maxe0other
- Outcome
- removal of N and P by weedse0
- Direction
- reducede0
- Comparator
- weedy checke0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the weed-management treatments significantly reduced removal of N and P by weeds and enhanced uptake of these nutrients by soybean compared to weedy check.”
Claim · model-written summary
Weed management increased soybean nitrogen and phosphorus uptake versus a weedy check.
- Taxon
- soybeanGlycine maxe0
- Treatment
- weed-management treatmentse0
- Interactor
- weedse0weed
- Outcome
- uptake of these nutrients by soybeane0
- Direction
- enhancede0
- Comparator
- weedy checke0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the weed-management treatments significantly reduced removal of N and P by weeds and enhanced uptake of these nutrients by soybean compared to weedy check.”
Claim · model-written summary
Two hand weedings reduced weed nitrogen and phosphorus uptake compared with other methods.
- Taxon
- weedse0
- Treatment
- Two hand-weedings at 20 and 40 days after sowinge0
- Interactor
- soybeanGlycine maxe0other
- Outcome
- uptake of N and P by weedse0
- Direction
- reductione0
- Comparator
- all other methods of weed controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two hand-weedings at 20 and 40 days after sowing and pre-emergence application of clomazone at 1.0 kg/ha + hand-weeding at 40 days were at par and resulted in significant reduction in uptake of N and P by weeds and increase in uptake of these nutrients by soybean compared to all other methods of weed control.”
Claim · model-written summary
Clomazone plus hand weeding reduced weed nitrogen and phosphorus uptake compared with other methods.
- Taxon
- weedse0
- Treatment
- pre-emergence application of clomazone at 1.0 kg/ha + hand-weeding at 40 dayse0
- Interactor
- soybeanGlycine maxe0other
- Outcome
- uptake of N and P by weedse0
- Direction
- reductione0
- Comparator
- all other methods of weed controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two hand-weedings at 20 and 40 days after sowing and pre-emergence application of clomazone at 1.0 kg/ha + hand-weeding at 40 days were at par and resulted in significant reduction in uptake of N and P by weeds and increase in uptake of these nutrients by soybean compared to all other methods of weed control.”
Claim · model-written summary
Two hand weedings increased soybean nitrogen and phosphorus uptake compared with other methods.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Two hand-weedings at 20 and 40 days after sowinge0
- Interactor
- weedse0weed
- Outcome
- uptake of these nutrients by soybeane0
- Direction
- increasee0
- Comparator
- all other methods of weed controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two hand-weedings at 20 and 40 days after sowing and pre-emergence application of clomazone at 1.0 kg/ha + hand-weeding at 40 days were at par and resulted in significant reduction in uptake of N and P by weeds and increase in uptake of these nutrients by soybean compared to all other methods of weed control.”
Claim · model-written summary
Clomazone plus hand weeding increased soybean nitrogen and phosphorus uptake compared with other methods.
- Taxon
- soybeanGlycine maxe0
- Treatment
- pre-emergence application of clomazone at 1.0 kg/ha + hand-weeding at 40 dayse0
- Interactor
- weedse0weed
- Outcome
- uptake of these nutrients by soybeane0
- Direction
- increasee0
- Comparator
- all other methods of weed controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two hand-weedings at 20 and 40 days after sowing and pre-emergence application of clomazone at 1.0 kg/ha + hand-weeding at 40 days were at par and resulted in significant reduction in uptake of N and P by weeds and increase in uptake of these nutrients by soybean compared to all other methods of weed control.”
Claim · model-written summary
The two top weed control methods significantly raised soybean seed and straw yields relative to other methods.
- Taxon
- soybeanGlycine maxe0
- Treatment
- these 2 methods of weed controle0
- Outcome
- Seed and straw yields of soybeane0
- Direction
- increasede0
- Comparator
- rest of the methodse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed and straw yields of soybean were also increased significantly owing to these 2 methods of weed control compared to rest of the methods.”
The same questions in other papers
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321 papers in the same direction as this paper · 112 in the opposite direction · 26 reporting no difference from an alternative
- positive
- no effect
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456 papers more in this group
See all 460 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.