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Herbicides on weed density
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This study was taken to know the weed control efficiency of herbicides in chickpea intercropping with lentil. The weed competition was highest during 30 DAS and the maximum weed density was found in 60 and 90 DAS. Weed species were recorded such as broadleaf weeds like Coronopus didymus, Chenopodium album, Melilotus officinalis, Phalaris minor, etc. The main focus of this experiment was to study dry matter accumulation by weeds at different days after sowing (30, 60, 90, and 120).
7p
trinhthamhodang11
27-04-2021
23
2
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To overcome this problem, use of herbicides has become an alternative method. Herbicide application is easier and economical to farmers compared to other weed management practices. Hence the present study deals with the effect of different weed management practices on weed density, weed dry weight and seed cotton yield.
6p
chauchaungayxua10
19-03-2021
12
1
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Keeping in view the above facts, the present study was carried out in high density apple blocks with the objective of standardizing the effect of various weed management strategies on soil temperature and soil nutrient availability.
9p
chauchaungayxua10
19-03-2021
22
1
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A field experiment was conducted to evaluate the effect of sequential application of herbicides on weed density, weed dry weight and yield of irrigated maize during kharif season, 2019-2020 at Agricultural College and Research Institute, Madurai, Tamil Nadu
8p
chauchaungayxua10
19-03-2021
15
1
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There is a need to go for sequential application of PRE followed by POE herbicides to manage the late emerging weeds to eliminate weed competition throughout the critical period (Pawar et al., 2000).
13p
caygaocaolon8
07-11-2020
18
4
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A Field experiments were carried out from 2009-10 and 2010-11 to evaluate the efficiency of herbicides under different rice residue management practices in wheat. The herbicide treatments included application of sulfosulfuron alone and tank mix Sulfosulfuron 25 g/ha + metsulfuron 4 g/ha and isoproturon 1.0 kg/ha + metsulfuron 4 g/ha. Residue mulching reduced weed density, resulting in improvement of growth and yield attributing characters of wheat followed by residue incorporated and residue retained treatments.
7p
nguaconbaynhay7
15-08-2020
13
1
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A field experiments was conducted on grape (Vitis vinifera L. cv Thompson seedless at the vineyard of the farmer‟s field of Vijayapur a district coming under the jurdiction of University of Agricultural Sciences Dharwad, Karnataka, after October pruning during 2014-15 and 2015-16 to study the bioefficacy of oxyfluorfen 2.5% + glyphosate 41% SC against weed complex.
11p
nguaconbaynhay7
15-08-2020
10
1
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A field experiment was conducted during kharif 2012 to evaluate the efficacy of different pre and post emergence herbicides in direct seeded rice. The chemical treatments included two pre-emergence herbicides namely pendimethalin 1000 g/ha and oxadiargyl 100 g/ha and four post-emergence herbicides viz. bispyribac-sodium 25 g/ha, fenoxaprop 67 g/ha, ethoxysulfuron 18.75 g/ha and chlorimuron-ethyl +metsulfuron-methyl RM 4 g/ha at 25 DAS. Weed free and weedy check were also included.
6p
trinhthamhodang6
09-07-2020
10
2
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A field experiment entitled “Efficacy of pre and post-emergence herbicides on growth and yield of chickpea (Cicer arietinum L.)” was conducted at Agricultural Research Station, Mandor, Jodhpur during rabi season of 2016-17. Field experiment was laid out in randomized block design (RBD) with sixteen treatments and replicated thrice. Sixteen treatments were tested among that two doses of each herbicides i.e. pendimethalin (0.40 and 0.60 kg a.i./ha), oxyfluorfen (100 and 200 g a.i./ha), imazethapyr (40 and 60 g a.i.
10p
trinhthamhodang5
16-05-2020
13
0
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Potato is one of the most important commercial vegetable crops in India and on an average this crop is affected by weeds damage which should be prevented by various control methods. Cultural operations and mulches are non-chemical methods of weed control in sustainable agricultural systems. The aim of present study was to investigate the effect of chemical and non-chemical control methods on weeds and yield of potato crop.
11p
cothumenhmong3
22-02-2020
20
1
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The field experiment conducted at research farm, RARI, Durgapura for two consecutive years during rabi seasons 2013-14 and 2014-15. Results revealed that maximum reduction in weed density at 25 DAS was recorded with pendimethalin pre emergence @ 0.750 kg/ha and at 50 DAS with 2, 4-D ester @ 0.5 kg/ha, clodinafop propanyl 15 % + metsulfuran methyl 1 % @ 64 g a.i./ha and metsulfuran methyl @ 4 g a.i./ha. All the weed control treatments produced significantly higher grain and straw yield compared to weedy check. Hand weeding, except weed free produced the maximum grain and straw yield of 46.
9p
quenchua2
15-12-2019
12
0
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A field experiment was conducted to study the effect of herbicides on weed control and soil microbial activity. The experiment consisted of 12 treatments laid out RCBD. The treatments consisted of herbicides viz., atrazine, 2,4-D, tembotrione, topramezone and their tank mixtures sprayed at 16 DAS as early post emergent herbicides, they were checked against recommended weed management practice- atrazine 1.25 kg ha -1 (PRE) + 1HW + 1IC, sequential application-atrazine (PRE) fb 2,4-D,Weed free and weedy check. The results indicated that significantly lower weed density (7.67 per 0.
9p
kequaidan2
11-12-2019
20
2
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The present investigation was conducted in order to reduce labour as well as input cost for rice cultivation of rice growing predominantly small and marginal farmers of Mahabubnagar district of Telangana State of India. Eight row rice drum seeder was introduced and evaluated on farmer’s field during kharif 2013, 2014 and 2015 years. The seeder consists of eight seed drum made up of fiber which required only one operator to do the seeding. Two varieties viz., MTU1010 and Tellahamsa were sown. The seed was pre soaked for 24 hours followed by incubation for12 hours to just germinate the seed.
5p
cothumenhmong1
08-12-2019
15
0
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A field experiment was conducted on clay loam soil during kharif, 2017 at Instructional Agronomy Farm, Rajasthan College of Agriculture, Udaipur to find out the effect of herbicides and their tank mix application on weed dynamics, growth and yield of maize. The post-emergence tank mix application of atrazine 0.5 kg/ha + tembotrione 0.125 kg/ha at 15 DAS reduced weed density, weed dry matter and improved weed control efficiency of monocot, dicot and total weed at 60 DAS. The maximum number of cob/plant (1.47), cob weight/plant (154.94 g) and weight of grain/cob (119.
8p
nguaconbaynhay1
04-12-2019
11
0
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A field investigation was carried out at Tamil Nadu Agricultural University, Coimbatore during kharif seasons of 2010 and 2011 to evaluate the weed control options for transgenic stacked (TC 1507 and NK 603) and non-transgenic maize hybrids. The experiments were conducted with the following objective to evaluate the weed control efficiency and crop productivity with K salt of glyphosate formulations under field conditions. Treatments consisted of two transgenic stacked hybrids named 30V92 and 30B11 applied with glyphosate as early post emergence at 900 and 1800 ga.
10p
nguaconbaynhay1
04-12-2019
15
0
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