Use of natural products for weed management in high-value crops: An Overview



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In recent years, organic vegetable production systems have become an increasingly important segment of agriculture; and weed control is a principal concern for organic vegetable growers. In the absence of herbicides, tillage and cultivation are the most commonly used tools by vegetable growers for managing weeds in organic systems; however, intensive tillage may have adverse effects on soil and environmental health. In recent times, to reduce intensive soil tillage and achieve successful weed management, integration of cover crops with conservation tillage (reduced or no-tillage) is emerging as an innovative alternative production practice in organic farming. Research over the globe has shown that cover crops can be used to control weeds in vegetable fields, and also play an important role in improving productivity of subsequent crops by improving soil physical, chemical, and biological properties. In agronomic crops, the benefits of cover crops in conjugation with reduced tillage on weed management are well documented but, such information is scarcely available for vegetables grown in organic production systems. This review focuses on different types of cover crop species and conservation tillage systems for weed management in organic vegetable production.


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Cover Crop, Conservation Tillage, Weed Control, Sustainability, Organic Production


Rupinder Saini and Sukhbir Singh. Use of natural products for weed management in high-value crops: An Overview. American Journal of Agricultural Research, 2019,4:25. DOI:10.28933/ajar-2018-11-2808