Abstract
The experiment entitled "Effect of Integrated weed management on weed dynamics, yield and economics of Soybean (Glycine max L.)", was conducted at the Crop Research center, School of Agriculture, ITM University, Gwalior (M.P.), India during the kharif season of the year 2022.The experiment consisted of twelve treatments and three replications laid out in Randomized block design with the application of different pre and post emergence herbicides, along with two hand weeding's at 20 and 40 DAS and weedy check treatments.The herbicides were used individually as well as in sequence with hand weeding practices.All the weed control treatments showed significant reduction of weed flora, weed density and weed biomass as compared to weedy check.Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2 ), weed dry matter accumulation (46.33 g m -2 ) and attained the higher weed control efficiency (81.53 %), no. of pods plant -1 (32.27), no. of seeds pod -1 (3.07), grain yield (2094 Kg ha -1 ) and straw yield (2826.90 Kg ha -1 ) and found at par with the post-emergence application of Imazethapyr + Imazamox @ 70 g a.i.ha -1 fb HW (at 40 DAS) and Imazethapyr @ 125 g a.i.ha -1 fb HW (at 40 DAS).The maximum net returns and B-C ratio were recorded higher with Imazethapyr + Imazamox @ 70 g a.i.ha -1 fb HW (at 40 DAS).
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Claims 9
Claim · model-written summary
Two hand weedings significantly reduced weed density in soybean compared with weedy check
- Taxon
- Soybean
Glycine maxe0 - Treatment
- Two hand weedings at 20 and 40 DASe1
- Outcome
- weed densitye1
- Direction
- significantly lesse1
- Value
- 66.25 no.m -2e1
- Comparator
- weedy checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2), weed dry matter accumulation (46.33 g m -2)”
e2“as compared to weedy check”
e0“Soybean (Glycine max L.)”
Claim · model-written summary
Two hand weedings significantly reduced weed dry matter accumulation in soybean compared with weedy check
- Taxon
- SoybeanGlycine maxe0
- Treatment
- Two hand weedings at 20 and 40 DASe1
- Outcome
- weed dry matter accumulatione1
- Direction
- significantly lesse1
- Value
- 46.33 g m -2e1
- Comparator
- weedy checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2), weed dry matter accumulation (46.33 g m -2)”
e2“as compared to weedy check”
e0“Soybean (Glycine max L.)”
Claim · model-written summary
Two hand weedings attained higher weed control efficiency than weedy check in soybean
- Taxon
- SoybeanGlycine maxe0
- Treatment
- Two hand weedings at 20 and 40 DASe1
- Outcome
- weed control efficiencye3
- Direction
- highere3
- Value
- 81.53 %e3
- Comparator
- weedy checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“attained the higher weed control efficiency (81.53 %)”
e1“Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2), weed dry matter accumulation (46.33 g m -2)”
e2“as compared to weedy check”
e0“Soybean (Glycine max L.)”
Claim · model-written summary
Two hand weedings gave higher number of pods per plant in soybean
- Taxon
- SoybeanGlycine maxe0
- Treatment
- Two hand weedings at 20 and 40 DASe1
- Outcome
- no. of pods plant -1e4
- Direction
- highere3
- Value
- 32.27e4
- Comparator
- weedy checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“no. of pods plant -1 (32.27), no. of seeds pod -1 (3.07), grain yield (2094 Kg ha -1) and straw yield (2826.90 Kg ha -1)”
e3“attained the higher weed control efficiency (81.53 %)”
e1“Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2), weed dry matter accumulation (46.33 g m -2)”
e2“as compared to weedy check”
e0“Soybean (Glycine max L.)”
Claim · model-written summary
Two hand weedings gave higher number of seeds per pod in soybean
- Taxon
- SoybeanGlycine maxe0
- Treatment
- Two hand weedings at 20 and 40 DASe1
- Outcome
- no. of seeds pod -1e4
- Direction
- highere3
- Value
- 3.07e4
- Comparator
- weedy checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“no. of pods plant -1 (32.27), no. of seeds pod -1 (3.07), grain yield (2094 Kg ha -1) and straw yield (2826.90 Kg ha -1)”
e3“attained the higher weed control efficiency (81.53 %)”
e1“Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2), weed dry matter accumulation (46.33 g m -2)”
e2“as compared to weedy check”
e0“Soybean (Glycine max L.)”
Claim · model-written summary
Two hand weedings gave higher grain yield in soybean
- Taxon
- SoybeanGlycine maxe0
- Treatment
- Two hand weedings at 20 and 40 DASe1
- Outcome
- grain yielde4
- Direction
- highere3
- Value
- 2094 Kg ha -1e4
- Comparator
- weedy checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“no. of pods plant -1 (32.27), no. of seeds pod -1 (3.07), grain yield (2094 Kg ha -1) and straw yield (2826.90 Kg ha -1)”
e3“attained the higher weed control efficiency (81.53 %)”
e1“Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2), weed dry matter accumulation (46.33 g m -2)”
e2“as compared to weedy check”
e0“Soybean (Glycine max L.)”
Claim · model-written summary
Two hand weedings gave higher straw yield in soybean
- Taxon
- SoybeanGlycine maxe0
- Treatment
- Two hand weedings at 20 and 40 DASe1
- Outcome
- straw yielde4
- Direction
- highere3
- Value
- 2826.90 Kg ha -1e4
- Comparator
- weedy checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“no. of pods plant -1 (32.27), no. of seeds pod -1 (3.07), grain yield (2094 Kg ha -1) and straw yield (2826.90 Kg ha -1)”
e3“attained the higher weed control efficiency (81.53 %)”
e1“Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2), weed dry matter accumulation (46.33 g m -2)”
e2“as compared to weedy check”
e0“Soybean (Glycine max L.)”
Claim · model-written summary
Two hand weedings gave grain yield at par with post-emergence Imazethapyr + Imazamox in soybean
- Taxon
- SoybeanGlycine maxe0
- Treatment
- Two hand weedings at 20 and 40 DASe1
- Outcome
- grain yielde4
- Direction
- found at pare5
- Comparator
- post-emergence application of Imazethapyr + Imazamox @ 70 g a.i.ha -1 fb HW (at 40 DAS)e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“found at par with the post-emergence application of Imazethapyr + Imazamox @ 70 g a.i.ha -1 fb HW (at 40 DAS)”
e4“no. of pods plant -1 (32.27), no. of seeds pod -1 (3.07), grain yield (2094 Kg ha -1) and straw yield (2826.90 Kg ha -1)”
e1“Two hand weedings at 20 and 40 DAS recorded significantly less the weed density (66.25 no.m -2), weed dry matter accumulation (46.33 g m -2)”
e0“Soybean (Glycine max L.)”
Claim · model-written summary
Imazethapyr + Imazamox gave the highest net returns and B-C ratio in soybean
- Taxon
- SoybeanGlycine maxe0
- Treatment
- Imazethapyr + Imazamoxe6
- Outcome
- net returns and B-C ratioe6
- Direction
- highere6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“The maximum net returns and B-C ratio were recorded higher with Imazethapyr + Imazamox @ 70 g a.i.ha -1 fb HW (at 40 DAS)”
e0“Soybean (Glycine max L.)”
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