Conservation Agriculture Mitigates the Effects of Climate Change

Karki, Tika Bahadur; Gyawaly, Pankaj

doi:10.3126/jnarc.v7i1.36934

Cited by 8 publications

(7 citation statements)

References 17 publications

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“…More than 97% of the world's food supply is produced on land that emits GHGs when intensively tilled, fertilized, and/or grazed by animals [67]. Conversion of 76% of the croplands in the USA, for example, to conservation tillage could sequester as much as 286-468 million metric tonnes (MMTs) CO 2 e over 30 years showing that conservation agriculture could become a net sink for carbon [68] and play an important mitigation and adaptation role in climate change effects [69,70].…”

Section: Conservation Agriculturementioning

confidence: 99%

The Climate Change-Agriculture Nexus in Drylands of Ethiopia

Mekonnen¹

2023

Environmental Sciences

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The objective of this chapter is to review the impacts of climate change on dryland agriculture and its possible solutions. Climate change poses significant challenges on dryland agriculture in Ethiopia. In turn, agriculture (malpractice) has contributed to climate change by emitting GHGs such as CO2, CH4 and N2O. Globally, agriculture’s contribution takes 14% of CO2, 47% of CH4 and 84% of N2O. Agriculture contributes to 80% of total Ethiopia’s GHGs emission: CH4, N2O and CO2, respectively, contributed to 72, 15 and 14% to aggregated emission. To soothe the impacts of climate change, countries should act now differently together to stabilize the fractions of GHGs in the atmosphere at a level that would also stabilize the climate system. Adopting climate-compatible agricultural development strategies can enable to reduce agricultural GHGs emissions or sequestration enhanced while maintaining and even increasing food supply. It is understood that combating desertification, land degradation and mitigating the effects of drought are the basis for accelerated sustainable development, poverty reduction and ensuring food security in Ethiopia. Climate-smart dryland agriculture can maintain livestock and crop productivity, reduces GHGs emission, lessens the impact of climate change and reduces the trade-offs among agricultural development to fulfill food security, climate change and ecosystem degradation.

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Section: Conservation Agriculturementioning

confidence: 99%

The Climate Change-Agriculture Nexus in Drylands of Ethiopia

Mekonnen¹

2023

Environmental Sciences

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“…Crop rotation function as biological drives also required for deepest layer of soil nutrients that helps to cultivate commercial crop. Crop rotation helps to uptake plant nutrients through diverse soil flora and fauna (Karki and Gyawaly 2021). Mixed cropping of legumes and maize do not help to conserve soil and nutrient loss in hills of central Nepal.…”

Section: Crop Diversity and Rotationmentioning

confidence: 99%

“…In hilly area, there are very limited source like crop residue used for livestock feed, lack of means of transportation that causes problem for loading and unloading the heavy agriculture machines and equipment, poor affordability of the farmers for machines and rain-fed agriculture that is very difficult to adopt the conservation agriculture based technologies by farmers (Karki and Shrestha 2014). The main factors for conservation agriculture adoption by farmers are lack of knowledge about conservation agriculture, insufficient farm machineries and tools, small land holdings, poor infrastructures, and lack of policy regarding conservation agriculture (Karki and Gyawaly 2021).…”

Section: Soil Cover and Water Retention (Mulch And Crop Residue)mentioning

confidence: 99%

Regenerative Agriculture and its Prospects in Nepal: A Review

et al. 2022

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Modern agriculture is heavily dependent on soil. Soil’s carrying capacity is being decreased these days due to erosion, depletion of soil nutrients and climate change. Regenerative agriculture is a way of farming both plants and animals that enriches and restores topsoil, and in turn, improves the water cycle. Nepal is also facing the ill effects of the conventional agriculture system. Therefore, an attempt has been made in this review article to highlight some of the alternative production systems suitable for Nepal. The findings of this review paper were about regenerative agriculture technology reduced the cost of production through minimum tillage, less use of agriculture inputs, less labor, consumption of less irrigation, maintaining soil moisture, water holding capacity and nutrient value through crop residue, crop rotation, soil cover, reduced soil erosion and run off top layer soil and increases the soil fertility through soil carbon sequestration that mitigates the climate change effects. The major constraints of regenerative agriculture are the lack of appropriate information and technologies in hand. For policymakers, farmers and food processing and marketing companies, regenerative agriculture has been an alternative production system with lower impacts on the environment. Therefore, to promote the identified and developed regenerative agricultural practices, participatory research in the farmer’s field with large-scale demonstration across the egro-ecological domains of the country.

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“…Evidence shows that crops like wheat, maize, pulses, oilseeds, jute, and rice can be established and grown successfully through CA technology (Bell et al, 2018; Alamgir et al, 2015). However, previous studies revealed knowledge gaps, fragmented holdings, inadequate farm machinery, subsidy/project dependence, poor infrastructure, and lack of CA-friendly policy support (Chaudhary et al, 2022; Karki and Gyawaly, 2021) that are limiting the translation of the benefits of CA demonstrated in research to farms of the EGP.…”

Section: Introductionmentioning

confidence: 99%

Conservation agriculture practices improve crop productivity and farm profitability when adopted by Bangladeshi smallholders in the Eastern Gangetic Plain

et al. 2023

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In research settings in the Eastern Gangetic Plain, Conservation Agriculture (CA) reduces operational costs, including cost for machinery, labour and fuel, while increasing yields, profit and soil organic carbon. However, the impact of the CA practices when adopted by smallholder farms on their crop productivity and farm profitability in this region is not well understood. In three locations in Rajshahi and Thakurgaon districts, Bangladesh, where previous on-farm CA research and demonstrations had been focused, we assessed the adoption and impacts of CA technologies on 135 farms compared to 270 non-adopters. While the CA technology adoption is still ongoing in the study areas, those farmers who practiced CA technology decreased human labour by up to 34%, seed use by 31%, fertilisers by 6%, pesticides by 32%, and total cost of production up to 10% while cultivating lentil, mustard, maize and wheat. The respective increases in crop yield and net profit were up to 28% and 43%, respectively. Propensity score matching (PSM) methods further confirmed that CA technology adoption had significant impacts by increasing crop yield, reducing variable costs, and increasing adopters’ net income. Given the striking on-farm benefits of CA for smallholders in the EGP, programmes to expand the availability of minimum tillage planters, provide training to local service providers on CA methods, and the use of smart incentives should be evaluated to assist farmers to adopt CA seeding machinery and associated agronomic practices.

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Conservation Agriculture Mitigates the Effects of Climate Change

Cited by 8 publications

References 17 publications

The Climate Change-Agriculture Nexus in Drylands of Ethiopia

The Climate Change-Agriculture Nexus in Drylands of Ethiopia

Regenerative Agriculture and its Prospects in Nepal: A Review

Conservation agriculture practices improve crop productivity and farm profitability when adopted by Bangladeshi smallholders in the Eastern Gangetic Plain

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