Integrated weed management on yield

Ninety Nine technology demonstrations were conducted on sesame in participatory mode covering 40 ha area covering five randomly selected villages in Sidhi district of Madhya Pradesh during 2009-10 to 2016-17 with an objective to assess the production potential of improved cultivars coupled with integrated nutrient, weed and pest management.

8p trinhthamhodang11 27-04-2021 19 2   Download

A field experiment on weed management in rice-garlic under organic production system was conducted during 2017-18 to 2019-20 at All India Coordinated Research Project on Integrated Farming System, Rewa (M.P.). The study reveals that maximum grain yield of rice and bulb yield of garlic was noted under incorporation of mustard oilcake @ 50 quintal per hectare with one hand weeding followed by two hand weeding at different stages under organic production system.

7p chauchaungayxua11 23-03-2021 22 2   Download

The present investigation was undertaken to evaluate the effect of integrated weed management practices on weeds as well as crop growth and yield parameters in brinjal cv. BH-6747 during 2012-13 at vegetable research farm, Punjab Agricultural University, Ludhiana. The field experiment comprised of various chemicals (weedicides) and mulch.

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An experiment was conducted in JVR- Horticultural Research Station, Malyal to evaluate the efficacy of different herbicides and integrated weed management strategies for weed control on growth and yield attributes in chilli during kharif, 2013-2015.

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Ginger (Zingiber officinale Roscoe) is grown in tropical and subtropical regions of the world for its spice and medicinal values. The emergence and early growth of ginger is inherently slow and weed growth can impact on yield. It has slow initial growth rate and shallow root system. As a result, it is invaded by a variety of weeds. A field experiment was carried out during 2015-16 and 2016-17 in randomized block design with three replications under AICRP on Weed Management at College of Horticulture and Forestry, CAU, Pasighat, Arunachal Pradesh, India with nine treatments.

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A field experiment was conducted at the Oilseed Research Unit, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola during the Rabi season of 2014-15 to study the relative performance of herbicides and cultural practices on weed control in sunflower as well as to study its effect on growth and yield of sunflower.

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The integration of herbicides with some cultural operations and use of pre-emergence, post-emergence herbicides in combination with mechanical methods can prove to be more successful. This way integrated weed management is gaining importance in management of weeds for preventing losses and higher input-use efficiency (Ishya et al., 2007).

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To investigate the Effect of integrated weed management on growth and yield of chickpea (Cicer arietinum L.) under irrigated condition of Punjab a field experiment was conducted during rabi season of 2017-18 at the Campus for Agricultural Research and Advanced Studies Dhablan of the G.S.S.D.G.S. Khalsa College Patiala, Punjab.

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Presence of diverse weed flora during critical period of crop-weed competition, is one of the major obstacles in conservation agriculture that reduces which can reduce the crop yield appreciably significantly. During critical period of crop-weed competition, chemical method of weed control is by far the most preferred way to minimize the weed infestation of weeds, farmers are mostly relying on chemical methods of weed management.

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A field experiment was carried out during the rabi season of 2011-12 and 2012-13 at Bihar Agricultural University, Sabour (Bihar) to assess the effect of integrated weed management practices on weed dynamics, productivity and nutrient uptake of maize (Zea mays L.). Results revealed that weed management practices had positive influence on growth, yield attributes, yields and nutrient uptake of maize. Significantly lower weed density, weed dry weight and weed control efficiency (WCE %) were recorded in zero tillage (ZT) compared with conventional tillage (CT).

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A field experiments was conducted during Kharif seasons 2007 at Junagadh Agricultural University, Junagadh, Gujarat to study the effect of weed management practices on cowpea under rainfed conditions. It was found that single application of herbicide or cultural practices (1 HW + 1 IC) at 20-25 DAS not sufficient to control weed in cowpea and significantly yield loss 20-25% recorded, which is just half of around 45% yield loss in case no weed control measure followed. Application of (pendimethalin at 0.5 kg ha-1 as PRE + 1 HW + 1 IC at 25-30 DAS), (quizalofop- ethyl at 0.

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The experiment has been conducted on the experimental field of Indira Gandhi Krishi Vishwavidyalaya, Raipur under split-split plot design along with three replications in the year 2010-11 and 2011-12 during the Rabi season in potato crops (Solanum tuberosum). Irrigation (three treatments) as a main plot, weed management (four treatments) as a sub plot and Integrated Nutrient Management (INM) (four treatments) has been taken as subsub plot in the spacing of 60x20cm on the variety Chipsona-2. Total combined plots were 3x4x4x3=144. The parameters have been taken: growth parameter i.e.

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An experiment was conducted during rabi 2010-11 to study the influence of integrated weed management on β-carotene content and Vit-C content of carrot. The results indicated that the influence of integrated weed management on these quality parameters was found to be non-significant. However, maximum β-carotene content (8291.205 µg) and Vit-C content (6.30mg per 100 gms) were recorded with treatment Metribuzin 0.3 kg a.i ha-1 (PE) + Hand Weeding 30 DAS and the minimum were recorded in unweeded control.

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The present study was conducted by Krishi Vigyan Kendra, Ganjam-II during 2015 and 2016 in rabi in three villages Khalingi, Jura, Sunathara. The KVK scientists have conducted frontline demonstration in sweetcorn with the active participation of farmers with the objective to demonstrate the improved technologies in crop. The improved technologies consisting use of improved variety (Madhuri), Integrated nutrient and weed management, pest and disease management.

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A field experiment was carried out during kharif 2009-2010 at instructional farm, Junagadh Agricultural University, Junagadh to evaluate the suitable integrated weed management (IWM) practices for soybean. Result indicated that main weed flora was Cyperus rotundus L. integration of and its weed infestation was maximum from sowing to the harvesting of soybean. Integration of herbicides like Pendimethalin @ 0.750 kg ha-1 preemergence + 1HW and IC at 20 DAS recorded significant reducing in weed dry matter and higher weed control efficiency resulting in higher yield.

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Aerobic rice is a new way of cultivating rice that requires less water than lowland rice. Direct sown aerobic rice suffers more due to weed menace as the weeds and rice compete for growth factors together. Achieving higher rice grain yields under aerobic conditions requires better weed management practices. Hence, the aerobic rice should be focused primarily on efficient weed management to make aerobic rice cultivation more efficient in terms of returns on farmer investments and use of water resources.

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A field experiment entitled “Effect of integrated Weed management on pearl millet [Pennisetum glaucum (L.) R. Br. emend Stuntz]”was conducted at Agricultural farm, Suresh GyanVihar University, Jagatpura, Jaipur, Rajasthan in Kharif 2018.

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A field experiment was conducted at the instructional farm of Krishi Vigyan Kendra Jajpur, Odisha during 2015 to study the “Effect of integrated nutrient management on growth, yield and quality of okra”, variety-Pusa A4. From the experiment it was observed that application of RDF (75%) + (25%) N through neem oil cake (T7 ) produced maximum plant height (131.40 cm), internode length (8.02cm), fruit length (11.96cm), maximum number of fruits per plant (14.42), individual fruit weight (14.89g), yield per plot (13.29kg), Yield per ha. (9.49 ton) where RDF was 110:50:80 NPK kg/ha.

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Field experiment was conducted on dark brown soil of the college farm, N. M. College of Agriculture, Navsari Agricultural University, Navsari during rabi season of 2016-2017 to study the effect of integrated weed management on growth, yield, yield attributes and economics of grain amaranth (Amaranthus hypochondriacus L.) Production potential, higher profit and effective weed control in grain amaranth can be achieved by maintaining weed free through hand weeding throughout crop growth period, where labours are easily available.

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Field experiment was conducted on clayey soil of the college farm, N. M. College of Agriculture, Navsari Agricultural University, Navsari during rabi season of 2016-2017 to study the effect of integrated weed management on growth parameters, yield, yield attributes and economics of linseed (Linum usitatissimum L.). Production potential, higher profit and effective weed control in linseed can be achieved by maintaining weed free through hand weeding throughout crop growth period, where labours are easily available. In case of labours scarcity, application of pendimethalin 0.

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