Abstract
A field experiment was conducted at Pantnagar during kharif 2008 to examine the effect of postemergence herbicides in soybean on productivity, weed infestation and soil health. Treatments consisting of clodinafop-propargyl 8% EC at 80, 100 and 165 g a.i. ha−1, Na-acifluorfen 20% SL of 165 and 206.2 g a.i. ha−1, combination of clodinafop-propargyl 8% EC + Na-acifluorfen 16.5% SL at 80 + 165, 100 + 206.2 and 160 + 330 g a.i. ha−1, imazethapyr 10% SL at 100 g a.i. ha−1, weed free and weedy check were tested in RBD with 3 replications. The soybean variety used for the study was PS1347. Treatment of weed free check was found best by recording highest nodulation, yield and yield attributes, N uptake and soil parameters. It was at par with imazethapyr 10% SL @ 100 g a.i. ha−1, the treatment that showed highest nodule and plant dry weight, weed control efficiency, grain yield (1975 kg ha−1), straw yield (2445 kg ha−1), N uptake (136.4 kg ha−1 in grain and 40.9 kg ha−1 in straw), soil organic carbon, available N, P, K, microbial counts and dehydrogenase activity among different herbicides treatments. Clodinafop-propargyl 8% EC + Na-acifluorfen 16.5% SL was also found effective in weed control with 100 + 206.2 g a.i. ha−1. It was comparable to imazethapyr 10% SL @ 100 g a.i. ha−1 in weed index, weed control efficiency, nodule dry weight, grain and straw yields, N uptake, soil organic C, available N and K, microbial counts and dehydrogenase activity. The highest net return of Rs. 39563 ha−1 was obtained with weed free check, which was at par with imazethapyr 10% SL @ 100 g a.i. ha−1 and Clodinafop-propargyl 8% EC + Na-acifluorfen 16.5 SL @ 100 + 206.2 g ai ha−1.
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Claims 10
Claim · model-written summary
The weed-free check had the highest nodulation, yield, yield attributes, nitrogen uptake and soil parameters.
- Taxon
- soybean
Glycine maxt0 - Treatment
- weed free checke0
- Outcome
- nodulation, yield and yield attributes, N uptake and soil parameterse0
- Direction
- higheste0
- Setting
- Pantnagare1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatment of weed free check was found best by recording highest nodulation, yield and yield attributes, N uptake and soil parameters.”
t0“soybean”
e1“A field experiment was conducted at Pantnagar during kharif 2008”
Claim · model-written summary
Imazethapyr gave the highest nodule and plant dry weight and weed control efficiency among herbicides.
- Taxon
- soybeanGlycine maxt0
- Treatment
- imazethapyr 10% SL @ 100 g a.i. ha−1e0
- Interactor
- weede0weed
- Outcome
- nodule and plant dry weight, weed control efficiencye0
- Direction
- higheste0
- Comparator
- different herbicides treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was at par with imazethapyr 10% SL @ 100 g a.i. ha−1, the treatment that showed highest nodule and plant dry weight, weed control efficiency, grain yield (1975 kg ha−1), straw yield (2445 kg ha−1), N uptake (136.4 kg ha−1 in grain and 40.9 kg ha−1 in straw), soil organic carbon, available N, P, K, microbial counts and dehydrogenase activity among different herbicides treatments.”
t0“soybean”
Claim · model-written summary
Imazethapyr produced grain yield of 1975 kg ha−1, highest among herbicides.
- Taxon
- soybeanGlycine maxt0
- Treatment
- imazethapyr 10% SL @ 100 g a.i. ha−1e0
- Outcome
- grain yielde0
- Direction
- higheste0
- Value
- 1975 kg ha−1e0
- Comparator
- different herbicides treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was at par with imazethapyr 10% SL @ 100 g a.i. ha−1, the treatment that showed highest nodule and plant dry weight, weed control efficiency, grain yield (1975 kg ha−1), straw yield (2445 kg ha−1), N uptake (136.4 kg ha−1 in grain and 40.9 kg ha−1 in straw), soil organic carbon, available N, P, K, microbial counts and dehydrogenase activity among different herbicides treatments.”
t0“soybean”
Claim · model-written summary
Imazethapyr produced straw yield of 2445 kg ha−1, highest among herbicides.
- Taxon
- soybeanGlycine maxt0
- Treatment
- imazethapyr 10% SL @ 100 g a.i. ha−1e0
- Outcome
- straw yielde0
- Direction
- higheste0
- Value
- 2445 kg ha−1e0
- Comparator
- different herbicides treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was at par with imazethapyr 10% SL @ 100 g a.i. ha−1, the treatment that showed highest nodule and plant dry weight, weed control efficiency, grain yield (1975 kg ha−1), straw yield (2445 kg ha−1), N uptake (136.4 kg ha−1 in grain and 40.9 kg ha−1 in straw), soil organic carbon, available N, P, K, microbial counts and dehydrogenase activity among different herbicides treatments.”
t0“soybean”
Claim · model-written summary
Imazethapyr produced grain nitrogen uptake of 136.4 kg ha−1.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- graine0
- Treatment
- imazethapyr 10% SL @ 100 g a.i. ha−1e1
- Outcome
- N uptakee0
- Value
- 136.4 kg ha−1e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N uptake (136.4 kg ha−1 in grain and 40.9 kg ha−1 in straw)”
t0“soybean”
e1“It was at par with imazethapyr 10% SL @ 100 g a.i. ha−1”
Claim · model-written summary
Imazethapyr produced straw nitrogen uptake of 40.9 kg ha−1.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- strawe0
- Treatment
- imazethapyr 10% SL @ 100 g a.i. ha−1e1
- Outcome
- N uptakee0
- Value
- 40.9 kg ha−1e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N uptake (136.4 kg ha−1 in grain and 40.9 kg ha−1 in straw)”
t0“soybean”
e1“It was at par with imazethapyr 10% SL @ 100 g a.i. ha−1”
Claim · model-written summary
Imazethapyr gave the highest soil organic carbon, available N, P and K, microbial counts and dehydrogenase activity among herbicides.
- Taxon
- soybeanGlycine maxt0
- Treatment
- imazethapyr 10% SL @ 100 g a.i. ha−1e1
- Outcome
- soil organic carbon, available N, P, K, microbial counts and dehydrogenase activitye0
- Comparator
- different herbicides treatmentse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil organic carbon, available N, P, K, microbial counts and dehydrogenase activity among different herbicides treatments.”
t0“soybean”
e1“It was at par with imazethapyr 10% SL @ 100 g a.i. ha−1”
Claim · model-written summary
The clodinafop-propargyl plus Na-acifluorfen combination effectively controlled weeds at 100 + 206.2 g a.i. ha−1.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Clodinafop-propargyl 8% EC + Na-acifluorfen 16.5% SLe0
- Interactor
- weede0weed
- Outcome
- weed controle0
- Direction
- effectivee0
- Value
- 100 + 206.2 g a.i. ha−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clodinafop-propargyl 8% EC + Na-acifluorfen 16.5% SL was also found effective in weed control with 100 + 206.2 g a.i. ha−1.”
t0“soybean”
Claim · model-written summary
The clodinafop-propargyl plus Na-acifluorfen combination was comparable to imazethapyr across weed, crop and soil metrics.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Clodinafop-propargyl 8% EC + Na-acifluorfen 16.5% SLe1
- Outcome
- weed index, weed control efficiency, nodule dry weight, grain and straw yields, N uptake, soil organic C, available N and K, microbial counts and dehydrogenase activitye0
- Direction
- comparablee0
- Comparator
- imazethapyr 10% SL @ 100 g a.i. ha−1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was comparable to imazethapyr 10% SL @ 100 g a.i. ha−1 in weed index, weed control efficiency, nodule dry weight, grain and straw yields, N uptake, soil organic C, available N and K, microbial counts and dehydrogenase activity.”
t0“soybean”
e1“Clodinafop-propargyl 8% EC + Na-acifluorfen 16.5% SL was also found effective in weed control”
Claim · model-written summary
The weed-free check produced the highest net return, Rs. 39563 ha−1.
- Taxon
- soybeanGlycine maxt0
- Treatment
- weed free checke0
- Outcome
- net returne0
- Direction
- higheste0
- Value
- Rs. 39563 ha−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest net return of Rs. 39563 ha−1 was obtained with weed free check, which was at par with imazethapyr 10% SL @ 100 g a.i. ha−1 and Clodinafop-propargyl 8% EC + Na-acifluorfen 16.5 SL @ 100 + 206.2 g ai ha−1.”
t0“soybean”
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