Abstract
In conventional farming, farmers usually use tillage equipment to improve the soil structure and to control weeds. But they actually damage the soil structure and contribute to reduced soil fertility in the long term. In conservation agricultural (CA) systems, however, tillage is reduced or totally eliminated. The use of CA is widely increasing in the world due to several advantages, such as conserving the soil and water resources, regenerating the soil’s fertility, protecting the soil from erosion, and reducing labor needs. This system, due to combined effects of the elimination or reduction of tillage, maintaining residues on the soil surface, and employment of diversified crop rotations, has led to wide variations in germination, emergence, and growth of weeds and has caused variations in the density and diversity of weeds under such systems. The increasing reliance on herbicides and usage of herbicide-resistant crops in CA can also lead to changes in weed population dynamics and occurrence of herbicide-resistant weed biotypes. So weeds are overwhelming problems, especially in the early years of the CA adoption, and will require special control strategies. This chapter describes the ecology and population dynamics of weeds under CA systems and effective management practices will also be discussed.
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References
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Eslami, S. (2014). Weed Management in Conservation Agriculture Systems. In: Chauhan, B., Mahajan, G. (eds) Recent Advances in Weed Management. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-1019-9_5
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