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Crop Diversification for Improved Weed Management: A Review

Author

Listed:
  • Gourav Sharma

    (School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA 24061, USA)

  • Swati Shrestha

    (Department of Horticultural Sciences, University of Florida, Gainesville, FL 32611, USA)

  • Sudip Kunwar

    (Department of Horticultural Sciences, University of Florida, Gainesville, FL 32611, USA)

  • Te-Ming Tseng

    (Department of Plant and Soil Sciences, Mississippi State University, Starkville, MS 39762, USA)

Abstract

Weeds are among the major constraints to any crop production system, reducing productivity and profitability. Herbicides are among the most effective methods to control weeds, and reliance on herbicides for weed control has increased significantly with the advent of herbicide-resistant crops. Unfortunately, over-reliance on herbicides leads to environmental-health issues and herbicide-resistant weeds, causing human health and ecological concerns. Crop diversification can help manage weeds sustainably in major crop production systems. It acts as an organizing principle under which technological innovations and ecological insights can be combined to manage weeds sustainably. Diversified cropping can be defined as the conscious inclusion of functional biodiversity at temporal and/or spatial levels to improve the productivity and stability of ecosystem services. Crop diversification helps to reduce weed density by negatively impacting weed seed germination and weed growth. Additionally, diversified farming systems are more resilient to climate change than monoculture systems and provide better crop yield. However, there are a few challenges to adopting a diversified cropping system, ranging from technology innovations, government policies, farm-level decisions, climate change, and market conditions. In this review, we discuss how crop diversification supports sustainable weed management, the challenges associated with it, and the future of weed management with respect to the diversification concept.

Suggested Citation

  • Gourav Sharma & Swati Shrestha & Sudip Kunwar & Te-Ming Tseng, 2021. "Crop Diversification for Improved Weed Management: A Review," Agriculture, MDPI, vol. 11(5), pages 1-17, May.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:5:p:461-:d:557465
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    2. Sodjahin, Ibirénoyé Honoré Romaric & Féménia, Fabienne & Koutchade, Obafémi Philippe & Carpentier, Alain, 2022. "On the economic value of the agronomic effects of crop diversification for farmers: estimation based on farm cost accounting data," Working Papers 320398, Institut National de la recherche Agronomique (INRA), Departement Sciences Sociales, Agriculture et Alimentation, Espace et Environnement (SAE2).
    3. Kun Wang & Yinli Bi & Jiayu Zhang & Shaopeng Ma, 2022. "AMF Inoculum Enhances Crop Yields of Zea mays L. ‘Chenghai No. 618’ and Glycine max L. ‘Zhonghuang No. 17’ without Disturbing Native Fugal Communities in Coal Mine Dump," IJERPH, MDPI, vol. 19(24), pages 1-17, December.
    4. Sodjahin, Romaric & Carpentier, Alain & Koutchade, Obafèmi Philippe & Femenia, Fabienne, 2022. "On the economic value of the agronomic effects of crop diversification for farmers: Estimation based on farm cost accounting data," 2022 Annual Meeting, July 31-August 2, Anaheim, California 322295, Agricultural and Applied Economics Association.
    5. Sabine Andert & Andrea Ziesemer, 2022. "Analysing Farmers’ Herbicide Use Pattern to Estimate the Magnitude and Field-Economic Value of Crop Diversification," Agriculture, MDPI, vol. 12(5), pages 1-11, May.
    6. Colette de Villiers & Cilence Munghemezulu & Zinhle Mashaba-Munghemezulu & George J. Chirima & Solomon G. Tesfamichael, 2023. "Weed Detection in Rainfed Maize Crops Using UAV and PlanetScope Imagery," Sustainability, MDPI, vol. 15(18), pages 1-22, September.
    7. Theodrose Sisay & Kindie Tesfaye & Mengistu Ketema & Nigussie Dechassa & Mezegebu Getnet, 2023. "Climate-Smart Agriculture Technologies and Determinants of Farmers’ Adoption Decisions in the Great Rift Valley of Ethiopia," Sustainability, MDPI, vol. 15(4), pages 1-12, February.
    8. Pervin Akter & Arju Farhana & A.M. Abu Ahmed, 2022. "Allelopathic Response Of Root Exudates Of Five Common Weeds In Yard Long Bean (Vigna Unguiculata Subsp. Sesquipedalis L. Verd] And Maize (Zea Mays L.)," Acta Scientifica Malaysia (ASM), Zibeline International Publishing, vol. 6(1), pages 01-05, January.
    9. Aušra Marcinkevičienė & Arūnas Čmukas & Rimantas Velička & Robertas Kosteckas & Lina Skinulienė, 2023. "Comparative Analysis of Undersown Cover Crops and Bio-Preparations on Weed Spread and Organically Grown Spring Oilseed Rape Yield," Sustainability, MDPI, vol. 15(18), pages 1-18, September.
    10. Silvio Franco & Barbara Pancino & Angelo Martella & Tommaso De Gregorio, 2022. "Assessing the Presence of a Monoculture: From Definition to Quantification," Agriculture, MDPI, vol. 12(9), pages 1-10, September.
    11. Ioannis Gazoulis & Panagiotis Kanatas & Nikolaos Antonopoulos & Alexandros Tataridas & Ilias Travlos, 2022. "Νarrow Row Spacing and Cover Crops to Suppress Weeds and Improve Sulla ( Hedysarum coronarium L.) Biomass Production," Energies, MDPI, vol. 15(19), pages 1-22, October.

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