Fertilizer Placement Affects Weed Growth and Grain Yield in Dry-Seeded Rice (&amp;lt;i&amp;gt;Oryza sativa&amp;lt;/i&amp;gt; L.) Systems

Chauhan, Bhagirath Singh; Abugho, Seth Bernard

doi:10.4236/ajps.2013.46155

Cited by 14 publications

(12 citation statements)

References 18 publications

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“…By placing fertilizer near the root zone of crops, less fertilizer is available for weed growth and crop plants gain a competitive advantage (Di Tomaso, 1995). Banding fertilizer, or placing fertilizer near crop roots as opposed to broadcasting over the entire crop area has been shown to reduce weed growth in numerous agronomic studies (Chauhan and Ahugho, 2013;Kirkland and Beckie, 1998;Mashingaidze et al, 2012). Fertilizer placement has been shown to have a significant impact on weed growth in containergrown ornamental plant production (Fain et al, 2003).…”

Section: Other Nonchemical Control Methodsmentioning

confidence: 99%

A Review of Weed Control Practices in Landscape Planting Beds: Part I–Nonchemical Weed Control Methods

Marble¹,

Koeser²,

Hasing³

2015

horts

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Weed control continues to be one of the most expensive and time consuming aspects of landscape maintenance. Many homeowners are becoming more interested in nonchemical pest-management strategies due to increasing concern over the environmental impact of pesticide use. Nonchemical landscape weed control can be achieved using mechanical disruption (e.g., mowing, hand-pulling, hoeing, and tilling), physical barriers, or cultural control methods (e.g., mulching and plant selection). However, the best results are almost always achieved when employing a variety of methods (often involving chemical control methods). In adopting a weed control strategy, client expectations and weed tolerances must be addressed. While a virtually weed-free landscape is possible without the use of herbicides, this goal often requires a significant amount of time and money, and requires more planning to be successful. The goal of this manuscript is survey the literature pertaining to nonchemical weed control in landscape planting beds and determine: 1) the most effective strategies; 2) the advantages and disadvantages of common practices; and 3) highlight areas where research is needed or improvements could be made.

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Section: Other Nonchemical Control Methodsmentioning

confidence: 99%

A Review of Weed Control Practices in Landscape Planting Beds: Part I–Nonchemical Weed Control Methods

Marble¹,

Koeser²,

Hasing³

2015

horts

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“…Placement of fertilizer may also be important in weed suppression. The application of fertilizer close to the roots has been shown to suppress weed growth in agronomic studies (Chauhan & Ahugho, 2013; Kirkland & Beckie, 1998; Mashingaidze et al., 2010). This weed suppressing effect of fertilizer placement has not been observed in landscape planting systems because of the ample availability of nutrients in the soil (Marble et al., 2015) but might have implications for turfgrass areas that are constructed on sand‐based soil.…”

Section: Adjusting Mowing Practices and Fertilization To Increase Commentioning

confidence: 99%

Managing cool‐season turfgrass without herbicides: Optimizing maintenance practices to control weeds

Hahn¹,

Sallenave

Pornaro

et al. 2020

Crop Science

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Bans on the use of synthetic herbicides require innovative management approaches to maintain the attractiveness and usability of turfgrass swards. Such measures should include the use of locally adapted cultivars that germinate and establish quickly, resulting in the densest possible stands. Additionally, a number of turfgrasses have been reported to produce allelopathic substances that inhibit common turfgrass weeds. Mowing heights should be set to achieve maximum weed suppression while still providing acceptable quality for desired use. Sustainable turfgrass management programs have led to a reduction in fertilizer inputs; however, without the availability of herbicides, fertilization regimes need to be re‐examined. The literature suggests that broadleaf weeds are reduced but never fully controlled when more N is applied; therefore, finding a balance between what is needed and what is environmentally safe and sustainable is critical. Organic herbicides include plant pathogens from the fungus Phoma and strains of the bacterium Pseudomonas fluorescens. Both can be used to control several weeds common to turfgrasses. Acetic acid has also been shown to have herbicidal activity; however, it has limited residual activity, and its efficacy remains questionable on mature weeds. Thermal weed control can be used to sterilize a seedbank or spot treat existing weeds. Future turfgrass breeding programs could focus on understanding and enhancing the allelopathic potential of turfgrasses to outcompete weeds more effectively. Furthermore, more research should be directed at assessing the competitiveness of certain turfgrasses against weeds within the limitations of producing turfgrass areas of acceptable aesthetics and playing quality.

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“…Significant reductions in the shoot biomass of wild oat and green foxtail were observed when N fertilizer was applied through banding and injection rather than broadcasting (Blackshaw et al 2004). Recently, Chauhan and Abugho (2013) reported a significant reduction in weed biomass by the subsurface fertilizer application in dry direct-seeded rice (Oryza sativa L.).…”

Section: Crop Nutrient Managementmentioning

confidence: 99%

Nonconventional Weed Management Strategies for Modern Agriculture

2015

Self Cite

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Weeds are a significant problem in crop production and their management in modern agriculture is crucial to avoid yield losses and ensure food security. Intensive agricultural practices, changing climate, and natural disasters affect weed dynamics and that requires a change in weed management protocols. The existing manual control options are no longer viable because of labor shortages; chemical control options are limited by ecodegradation, health hazards, and development of herbicide resistance in weeds. We are therefore reviewing some potential nonconventional weed management strategies for modern agriculture that are viable, feasible, and efficient. Improvement in tillage regimes has long been identified as an impressive weed-control measure. Harvest weed seed control and seed predation have been shown as potential tools for reducing weed emergence and seed bank reserves. Development in the field of allelopathy for weed management has led to new techniques for weed control. The remarkable role of biotechnological advancements in developing herbicide-resistant crops, bioherbicides, and harnessing the allelopathic potential of crops is also worth mentioning in a modern weed management program. Thermal weed management has also been observed as a useful technique, especially under conservation agriculture systems. Last, precision weed management has been elaborated with sufficient details. The role of remote sensing, modeling, and robotics as an integral part of precision weed management has been highlighted in a realistic manner. All these strategies are viable for today's agriculture; however, site-specific selection and the use of right combinations will be the key to success. No single strategy is perfect, and therefore an integrated approach may provide better results. Future research is needed to explore the potential of these strategies and to optimize them on technological and cultural bases. The adoption of such methods may improve the efficiency of cropping systems under sustainable and conservation practices.

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Fertilizer Placement Affects Weed Growth and Grain Yield in Dry-Seeded Rice (<i>Oryza sativa</i> L.) Systems

Cited by 14 publications

References 18 publications

A Review of Weed Control Practices in Landscape Planting Beds: Part I–Nonchemical Weed Control Methods

A Review of Weed Control Practices in Landscape Planting Beds: Part I–Nonchemical Weed Control Methods

Managing cool‐season turfgrass without herbicides: Optimizing maintenance practices to control weeds

Nonconventional Weed Management Strategies for Modern Agriculture

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