Abstract
An experiment was conducted to know the effect of atrazine 50 % WP on the weeds, cane yield of sugarcane and its effect on soil microflora at ‘C’ Block Farm, BCKV, Kalyani, Nadia, West Bengal, India during 2010-11 to 2011-12. Higher dose of atrazine @ 4.0 kg ha-1 recorded better weed control efficiency (84.51, 81.74 and 78.94 %, respectively at 10, 35 and 60 DAA). All the treatments of weed control gave the significantly higher cane yield over the control. The data on cane yield revealed that highest cane yield was recorded where the Atrazine 50 % WP @ 4.0 kg ha-1 was applied as pre-emergence but it was at par in case of lower dose of atrazine 50 % WP @ 2.0 kg ha-1 followed by ametryn 80%WP@2.0kg a.i. ha-1.Weed management treatments recorded no significant variation on brix %, sugar % and CCS%. All the herbicide treatments recorded detrimental effect on soil microflora (total bacteria, actinomycetes and fungi) immediately after application but after their persistence period, their populations were recovered and sometimes exceeds than their initial count.
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Claims 7
Claim · model-written summary
The high atrazine dose produced weed control efficiencies of 84.51%, 81.74%, and 78.94% at 10, 35, and 60 DAA.
- Taxon
- Sugarcanet0
- Treatment
- atrazine @ 4.0 kg ha-1e0
- Outcome
- weed control efficiencye0
- Direction
- bettere0
- Value
- 84.51, 81.74 and 78.94 %e0
Not reportedOrgan / stageComparator
Verbatim
e0“Higher dose of atrazine @ 4.0 kg ha-1 recorded better weed control efficiency (84.51, 81.74 and 78.94 %, respectively at 10, 35 and 60 DAA)”
t0“Sugarcane”
Claim · model-written summary
All weed control treatments increased cane yield over control.
Verbatim
e0“All the treatments of weed control gave the significantly higher cane yield over the control.”
t0“Sugarcane”
Claim · model-written summary
Pre-emergence atrazine at 4.0 kg ha-1 gave the highest cane yield.
Not reportedComparator
Verbatim
e0“highest cane yield was recorded where the Atrazine 50 % WP @ 4.0 kg ha-1 was applied as pre-emergence”
t0“Sugarcane”
Claim · model-written summary
The highest cane yield was statistically on par with the lower atrazine dose.
Not reportedComparator
Verbatim
e0“cane yield revealed that highest cane yield was recorded where the Atrazine 50 % WP @ 4.0 kg ha-1 was applied as pre-emergence but it was at par in case of lower dose of atrazine 50 % WP @ 2.0 kg ha-1”
t0“Sugarcane”
Claim · model-written summary
Weed management did not significantly change brix, sugar percentage or CCS.
- Taxon
- Sugarcanet0
- Treatment
- Weed management treatmentse0
- Outcome
- brix %, sugar % and CCS%e0
- Direction
- no significant variatione0
Not reportedComparator
Verbatim
e0“Weed management treatments recorded no significant variation on brix %, sugar % and CCS%.”
t0“Sugarcane”
Claim · model-written summary
Herbicides initially reduced soil microbial populations.
- Taxon
- Sugarcanet0
- Treatment
- herbicide treatmentse0
- Outcome
- soil microflora (total bacteria, actinomycetes and fungi)e0
- Direction
- detrimental effecte0
Not reportedComparator
Verbatim
e0“All the herbicide treatments recorded detrimental effect on soil microflora (total bacteria, actinomycetes and fungi) immediately after application”
t0“Sugarcane”
Claim · model-written summary
Soil microbial populations later recovered and sometimes exceeded their initial count.
Verbatim
e0“after their persistence period, their populations were recovered and sometimes exceeds than their initial count”
t0“Sugarcane”
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