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• W2588277263 abstract "Weed control constitutes one of the main cost items and a constraint to carrot production. The current study was conducted with the aim of developing an integrated cost-effective strategy of managing weeds and increasing the competitive ability of the crop against weeds. The weed control strategies tested in RCBD and replicated three times; were black plastic mulch, grass mulch, herbicides (Linuron and Oxyfluorfen), and grass mulch with herbicide combinations. Crop competitive ability through application of foliar feed fertilizer with one hand weeding combinations, foliar feed fertilizer with grass mulch combination, hand weeding every two weeks, famers practice (two hand weeding), and control (unweeded check) were tested. Data was collected on weed species, weed density, weed control efficiency, yield attributes, yield and economic cost benefits were subjected to ANOVA and means separated by Duncan’s multiple range test at P ≤ 0.005. Efficacy of weed control and carrot yield were significantly higher among the treatments with black polythene achieving 99.6%, linuron 78.1% and famers practice 19.0 % weed control resulting in yield of 34,205.5 kg/ha, 30,356.7Kg/ha, 19,850 kg/ha respectively. The finding suggest that spraying linuron @ 2.0 kg/ha as a pre-emergence is the best for weed control to get higher yield and economic return than oxyfluorfen @ 1.0 L kg/ha. It was concluded that plastic mulch is an effective strategy of reducing weed growth in carrots. Foliar feed application imparted competitive ability in carrot against weeds. However, the foliar feed levels and timing were not significant in imparting competitive ability in carrots i.e. choosing between 41, 48 and 55 days after sowing or their combinations. All the treatments increased marketable yield substantially compared to unweeded check although yield varied marginally among the levels and timings. However, there was a significant difference (P ≤ 0.05) in marketable yield by Foliar feed application at 41, 48 and 55 days after sowing in combination with hand weeding with yield of 24249 kg /ha compared to Foliar feed application at41, 48 and 55 days in combination with grass mulch yielding 21821 kg/ha. Application of foliar feed increased tolerance in carrot against the effect of weed completion. For example plots treated with foliar feed application 41, 48 and 55 days after sowing plus hand weeding once achieved 78.7 % weed control compared to unweeded check which registered no weed control at all (0%). Overall, plastic mulch treatment gave the best weed control, the highest plant weight and marketable yield and yield attributes, resulting in the highest economic benefits. The rest of the treatments had potential of weed control at various level of effectiveness. It is, therefore, clear carrot production cannot be achieved without successful weed management that involve technology that is affordable and profitable to small scale farmers at the same time safeguarding the environment. The carrot producers presumably will benefit from the best, economical and efficient strategy in controlling weeds if the integrated weed management strategies are adopted." @default.
• W2588277263 created "2017-02-24" @default.
• W2588277263 creator A5067033399 @default.
• W2588277263 date "2013-05-01" @default.
• W2588277263 modified "2023-09-27" @default.
• W2588277263 title "Studies on Integrating Weed Management Strategies in Carrot (Daucus Carota L.) Production" @default.
• W2588277263 hasPublicationYear "2013" @default.
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