Global challenges,including resource inefficiency,rising food demand,sustainability concerns,and climate change,necessitate more efficient and resilient agricultural systems.Conservation agriculture(CA),which is based...Global challenges,including resource inefficiency,rising food demand,sustainability concerns,and climate change,necessitate more efficient and resilient agricultural systems.Conservation agriculture(CA),which is based on the principles of the minimum mechanical soil disturbance,permanent soil organic cover,and species diversification,provides a promising solution.This study examined the principles and mechanisms of CA,assessed its benefits and constraints,and identified key research gaps.This study focused on CA outcomes related to soil health,biodiversity,productivity,and ecosystem services,considering factors such as climate,soil type,and management practices.CA has demonstrated the potential to improve soil health,enhance biodiversity,and boost productivity across diverse regions.However,its effectiveness has been found to vary across studies,emphasizing the need for a more critical understanding of its benefits and limitations.Moreover,variations in outcomes are evident due to differences in experimental methodologies,environmental conditions,and socioeconomic factors.For the widespread adoption of CA practices,it is necessary to make personalized adjustments to it,integrating the corresponding technologies,thereby meeting the needs of farmers.Interdisciplinary research is crucial to refining CA practices and addressing existing knowledge gaps.This study is practiced to enhance the understanding of the potential of CA to promote a sustainable global food production system.展开更多
The current research focuses the light on the characterization of buoyancy-driven non-linear mixed convection and non-linear radiation in a Newtonian flow over a nonlinearly stretching vertical sheet,and this type of ...The current research focuses the light on the characterization of buoyancy-driven non-linear mixed convection and non-linear radiation in a Newtonian flow over a nonlinearly stretching vertical sheet,and this type of flow has useful applications in many industrial processes,such as the paper and pulp industry,polymer industry,electronic device cooling,solar collectors,gas turbine plants,and nuclear power.Using appropriate transformations,governing PDEs for non-linear mixed convection are reduced to higher-order non-linear ODEs and those are numerically solved.Along with tabular presentations of computed results,the graphical representations are generated to elucidate the effects of involved parameters on convection transport properties and their inter-relations.It demonstrates that flow velocity increases near the surface and decreases away from the surface as the non-linear convection parameter increases.Furthermore,increments in the thermal buoyancy,temperature ratio and non-linear radiation parameters result in the boost of velocity.The temperature decreases as linear and non-linear buoyancy-related parameters(non-linear convection and thermal buoyancy parameters)are of higher levels.In contrast,the temperature rises with two non-linear thermal radiation-related parameters(thermal ratio and non-linear radiation parameters).For greater values of the non-linear stretching related parameter,a lower velocity and a higher temperature are witnessed.The non-linear convection,thermal buoyancy,thermal ratio and non-linear radiation parameters contribute toward the reduction of the magnitude of surface-drag force and growth of the surface cooling rate.But,with the non-linearity in surface stretching there are significant percentage hikes of surface-drag force magnitude and surface cooling rate.展开更多
文摘Global challenges,including resource inefficiency,rising food demand,sustainability concerns,and climate change,necessitate more efficient and resilient agricultural systems.Conservation agriculture(CA),which is based on the principles of the minimum mechanical soil disturbance,permanent soil organic cover,and species diversification,provides a promising solution.This study examined the principles and mechanisms of CA,assessed its benefits and constraints,and identified key research gaps.This study focused on CA outcomes related to soil health,biodiversity,productivity,and ecosystem services,considering factors such as climate,soil type,and management practices.CA has demonstrated the potential to improve soil health,enhance biodiversity,and boost productivity across diverse regions.However,its effectiveness has been found to vary across studies,emphasizing the need for a more critical understanding of its benefits and limitations.Moreover,variations in outcomes are evident due to differences in experimental methodologies,environmental conditions,and socioeconomic factors.For the widespread adoption of CA practices,it is necessary to make personalized adjustments to it,integrating the corresponding technologies,thereby meeting the needs of farmers.Interdisciplinary research is crucial to refining CA practices and addressing existing knowledge gaps.This study is practiced to enhance the understanding of the potential of CA to promote a sustainable global food production system.
基金funded by CSIR[09/013(0742)/2018-EMR-I]the research of A.K.Gautam is supported by UGC[1220/(CSIR-UGC NET DEC.2016)].
文摘The current research focuses the light on the characterization of buoyancy-driven non-linear mixed convection and non-linear radiation in a Newtonian flow over a nonlinearly stretching vertical sheet,and this type of flow has useful applications in many industrial processes,such as the paper and pulp industry,polymer industry,electronic device cooling,solar collectors,gas turbine plants,and nuclear power.Using appropriate transformations,governing PDEs for non-linear mixed convection are reduced to higher-order non-linear ODEs and those are numerically solved.Along with tabular presentations of computed results,the graphical representations are generated to elucidate the effects of involved parameters on convection transport properties and their inter-relations.It demonstrates that flow velocity increases near the surface and decreases away from the surface as the non-linear convection parameter increases.Furthermore,increments in the thermal buoyancy,temperature ratio and non-linear radiation parameters result in the boost of velocity.The temperature decreases as linear and non-linear buoyancy-related parameters(non-linear convection and thermal buoyancy parameters)are of higher levels.In contrast,the temperature rises with two non-linear thermal radiation-related parameters(thermal ratio and non-linear radiation parameters).For greater values of the non-linear stretching related parameter,a lower velocity and a higher temperature are witnessed.The non-linear convection,thermal buoyancy,thermal ratio and non-linear radiation parameters contribute toward the reduction of the magnitude of surface-drag force and growth of the surface cooling rate.But,with the non-linearity in surface stretching there are significant percentage hikes of surface-drag force magnitude and surface cooling rate.
