Abstract
A field experiment was conducted during the rainy season (kharif) of 2014 and 2015 at Zonal Agricultural Re- search Station, V.C. Farm, Mandya, Karnataka, to know the effect of weed-management practices on system of rice intensification (SRI) method of rice (Oryza sativa L.) cultivation under southern dry zone of Karnataka. The ex- periment consisted of 8 treatments, replicated thrice in a randomized complete block design. Among the various treatments, weed-free check recorded significantly higher grain yield (6.04 t/ha) and it was found at par with herbi- cide treatment, viz. pre-emergence application of bensulfuron-methyl 0.6% + pretilachlor 6% GR (Londax Power) @ 10 kg/ha fb post-emergence application of bispyribac sodium (Nominee Gold) @ 25 g/ha at 20 days after sow- ing (DAS) (5.53 t/ha). Among the weed the management practices, pre-emergence application of bensulfuron-me- thyl 0.6% + pretilachlor 6% GR (Londax Power) @ 10 kg/ha fb post-emergence application of bispyribac sodium (Nominee Gold) @ 25 g/ha at 20 days after sowing (DAS) found effective in control of all types of weeds and regis- tered higher net monetary returns ( 53,270/ha) and benefit : cost ratio (2.80). Uncontrolled weed growth caused 49.5% reduction in grain yield.
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Claims 6
Claim · model-written summary
A weed-free check produced significantly higher rice grain yield of 6.04 t/ha.
- Taxon
- rice (Oryza sativa L.)
Oryza sativae1 - Treatment
- weed-free checke0
- Outcome
- grain yielde0
- Direction
- highere0
- Value
- 6.04 t/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“weed-free check recorded significantly higher grain yield (6.04 t/ha)”
e1“rice (Oryza sativa L.)”
Claim · model-written summary
The combined herbicide treatment yielded 5.53 t/ha, statistically at par with the weed-free check.
- Taxon
- rice (Oryza sativa L.)Oryza sativae1
- Treatment
- pre-emergence application of bensulfuron-methyl 0.6% + pretilachlor 6% GR (Londax Power) @ 10 kg/ha fb post-emergence application of bispyribac sodium (Nominee Gold) @ 25 g/ha at 20 days after sow- ing (DAS)e0
- Outcome
- at pare0
- Direction
- at pare0
- Value
- 5.53 t/hae0
- Comparator
- weed-free checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it was found at par with herbi- cide treatment, viz. pre-emergence application of bensulfuron-methyl 0.6% + pretilachlor 6% GR (Londax Power) @ 10 kg/ha fb post-emergence application of bispyribac sodium (Nominee Gold) @ 25 g/ha at 20 days after sow- ing (DAS) (5.53 t/ha)”
e1“rice (Oryza sativa L.)”
e2“weed-free check”
Claim · model-written summary
The combined herbicide treatment controlled all types of weeds.
- Taxon
- rice (Oryza sativa L.)Oryza sativae1
- Treatment
- pre-emergence application of bensulfuron-me- thyl 0.6% + pretilachlor 6% GR (Londax Power) @ 10 kg/ha fb post-emergence application of bispyribac sodium (Nominee Gold) @ 25 g/ha at 20 days after sowing (DAS)e0
- Outcome
- control of all types of weedse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pre-emergence application of bensulfuron-me- thyl 0.6% + pretilachlor 6% GR (Londax Power) @ 10 kg/ha fb post-emergence application of bispyribac sodium (Nominee Gold) @ 25 g/ha at 20 days after sowing (DAS) found effective in control of all types of weeds”
e1“rice (Oryza sativa L.)”
Claim · model-written summary
The combined herbicide program returned 53,270/ha net.
- Taxon
- rice (Oryza sativa L.)Oryza sativae1
- Outcome
- net monetary returnse0
- Direction
- highere0
- Value
- 53,270/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“regis- tered higher net monetary returns ( 53,270/ha)”
e1“rice (Oryza sativa L.)”
Claim · model-written summary
The combined herbicide program had a benefit-to-cost ratio of 2.80.
- Taxon
- rice (Oryza sativa L.)Oryza sativae1
- Outcome
- benefit : cost ratioe0
- Value
- 2.80e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“benefit : cost ratio (2.80)”
e1“rice (Oryza sativa L.)”
Claim · model-written summary
Uncontrolled weeds reduced rice grain yield by 49.5%.
- Taxon
- rice (Oryza sativa L.)Oryza sativae1
- Treatment
- Uncontrolled weed growthe0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 49.5%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uncontrolled weed growth caused 49.5% reduction in grain yield”
e1“rice (Oryza sativa L.)”
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