Opportunities for sustainable intensification of coffee agro-ecosystems along an altitudinal gradient on Mt. Elgon, Uganda

Rahn, Eric; Liebig, Theresa; Ghazoul, Jaboury; Asten, Piet J.A. van; Läderach, Peter; Vaast, Philippe; Sarmiento, Alejandra; García, Claude; Jassogne, Laurence

doi:10.1016/j.agee.2018.04.019

Cited by 46 publications

(34 citation statements)

References 57 publications

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“…Climate change has a great impact on temperature changes, rainfall changes and extreme events in low-altitude areas, leading to greater risks in agricultural production environments and affecting farmers' adoption of sustainable intensification practices. For example, in order to adapt to climate change, Uganda's coffee production shifted to high altitudes, offering an opportunity for sustainable intensification of coffee agro-ecosystems at different altitudes [88]. Table 3 summarizes the influencing factors of agricultural sustainable intensification in different countries at varied scales.…”

Section: Changes In Socio-economic Factors Are the Main Factors Restrmentioning

confidence: 99%

“…[76] Eastern Uganda farmer population pressure, market information, price volatility, climate change, low yield, farmer livelihood. [88] Eastern Kenya farm population density, land quality, access to information, farmers' behavior, climatic conditions. [90] Germany plot population pressure, food demand, soil organic matter, slope, soil depth.…”

Section: Study Area Scale Influencing Factor Sourcementioning

confidence: 99%

“…In some cases, due to limited water availability and seasonal rainfall imbalance, it may be challenging to reduce the yield gap [96]. Integrating environmental changes into large-scale and coordinated sustainable intensification practice project needs national and local institutional support [88]. For example, strengthen infrastructure construction, providing technical and land support for water storage in rainy season for use in dry season or water collection for irrigation areas, and enhance farmers' access to resources, especially land, water, credit and knowledge, all need to improve the coordination and communication between all national sub-sectors, from production to processing to marketing [60,88].…”

Section: Agricultural Sustainable Intensification Is the Combined Resmentioning

confidence: 99%

“…Integrating environmental changes into large-scale and coordinated sustainable intensification practice project needs national and local institutional support [88]. For example, strengthen infrastructure construction, providing technical and land support for water storage in rainy season for use in dry season or water collection for irrigation areas, and enhance farmers' access to resources, especially land, water, credit and knowledge, all need to improve the coordination and communication between all national sub-sectors, from production to processing to marketing [60,88]. Agricultural extension services and technological innovations that adapt to new policies and systems are feedbacks of agricultural production through sustainable intensification practices.…”

Section: Agricultural Sustainable Intensification Is the Combined Resmentioning

confidence: 99%

“…However, in the process of agricultural landscape monitoring, too much attention is paid to food supply and demand and crop productivity, while the analysis of ecosystem services and social ecological effects is ignored [35,60]. Therefore, in face of climate change, Uganda coffee growers explored ecologically adaptive paths as effective strategies to achieve sustainable intensification and adapt to climate change [88]. In a particular study area, if forests are taken as inputs for energy and nutrients in local agricultural systems, retaining forests in agricultural landscapes seems to be a viable way to achieve sustainable intensification [33].…”

Section: Internal Optimization Path For Agricultural Systemsmentioning

confidence: 99%

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Prospects for Agricultural Sustainable Intensification: A Review of Research

Xie

Huang

Chen

et al. 2019

Land

102

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In recent years, as a way to achieve higher agricultural output while reducing the negative impact of agricultural production on the environment, agricultural sustainable intensification has attracted worldwide attention. Under the framework of "connotation definition-measuring method-influencing factor-implementation path", this paper systematically sorts out the main research results in the field of agricultural sustainable intensification. The results show that: (1) The connotation of agricultural sustainable intensification has not been clearly defined. It is widely believed that sustainable intensification has the characteristics of increasing production and reducing environmental damage, and is widely used in agricultural, biological and environmental sciences;(2) The measurement methods and indicators of agricultural sustainable intensification are diverse, and the measurement cases are mainly distributed in Europe, Asia, Africa and America; (3) The influencing factors of agricultural sustainable intensification can be roughly divided into four aspects: socio-economic factors, farmers' own characteristics and natural factors, among which population pressure is the potential driving force for agricultural sustainable intensification; (4) The most obvious feature of agricultural sustainable intensification is the reduction of the yield gap. The strategy of implementing agricultural sustainable intensification can be attributed to the effective use of inputs and the adoption of sustainable practices and technologies. Therefore, the implementation path can be summarized as enhancing the effectiveness of external inputs to the agricultural system and optimizing the practice and technology mix within the crop production system. Finally, this paper concludes that research on connotation definition, influencing mechanism, different regional models, incentive mechanism for farmers, impact evaluation and system design of agricultural sustainable intensification should be strengthened in future.

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Section: Changes In Socio-economic Factors Are the Main Factors Restrmentioning

confidence: 99%

Section: Study Area Scale Influencing Factor Sourcementioning

confidence: 99%

Section: Agricultural Sustainable Intensification Is the Combined Resmentioning

confidence: 99%

Section: Agricultural Sustainable Intensification Is the Combined Resmentioning

confidence: 99%

Section: Internal Optimization Path For Agricultural Systemsmentioning

confidence: 99%

See 3 more Smart Citations

Prospects for Agricultural Sustainable Intensification: A Review of Research

Xie

Huang

Chen

et al. 2019

Land

102

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Setting the standard: Does Rainforest Alliance Certification increase environmental and socio‐economic outcomes for small‐scale coffee producers in Rwanda?

Gather

Wollni

2022

Applied Eco Perspectives Pol

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Sustainability certification has become an important tool for promoting sustainable agricultural value chains. Nevertheless, its economic and environmental effects on the producer level remain unclear. We investigate the relationship of Rainforest Alliance Certification with socio‐economic and environmental outcomes in Rwanda and consider potential tradeoffs between dimensions. To reduce potential selection bias in the econometric estimation, we use inverse probability weighted regression adjustment. We find no significant association between certification and socio‐economic indicators but a significant correlation between certification and good agricultural practices and biodiversity‐related practices. Effects on economic outcomes and biodiversity‐related practices are linked; their relationship differs across climatic regions.

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Apparent nitrogen limitation of Robusta coffee yields in young agroforestry systems

et al. 2021

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Robusta coffee (Coffea canephora Pierre ex Froehner) is an important cash crop in the lowland tropics. Similar to Arabica (C. arabica L.), agroforestry is common in these systems, though comparatively little is known about how nutrient inputs and leguminous shade trees influence Robusta nutritional status and yield. We evaluated how shading with leguminous trees across four input systems, defined largely by quantity and form (compost vs. synthetic) of nitrogen (N), phosphorus (P), and potassium (K), influenced Robusta-based cropping systems in the Ecuadorian Amazon. Soil fertility was largely unaffected by compost and synthetic fertilizer (NPK) inputs or by shade species, and was weakly related to coffee productivity based on principal component analysis (PCA). Though litter appeared to be an agronomically appreciable source of N and P, this was only somewhat reflected in soil extractable N and P, presumably due to nutrient losses under high rainfall conditions (>3,000 mm yr −1 ). Patterns of variation suggest transfer of N and P from litter to soil to leaf. Conversely, litter K was unrelated to soil K, but soil K was closely related to leaf K. Robusta yields appeared to be largely N limited and were more influenced by input type (i.e., synthetic vs. organic nutrient sources) than by shade species or amount of N inputs in the form of compost or synthetic N, P, and K fertilizers. Additionally, yields across all treatments were significantly higher than regional averages, suggesting that slight investments in inputs can substantially increase productivity in maturing Robusta systems, irrespective of shade tree species selection. INTRODUCTIONCoffee (Coffea spp.) is a globally important cash crop produced in the tropics (Lewin et al., 2004). Worldwide, coffee production is dominated by two species, Arabica (C. arabica L.) (57%) and Robusta (C. canephora Pierre ex Froehner

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Opportunities for sustainable intensification of coffee agro-ecosystems along an altitudinal gradient on Mt. Elgon, Uganda

Cited by 46 publications

References 57 publications

Prospects for Agricultural Sustainable Intensification: A Review of Research

Prospects for Agricultural Sustainable Intensification: A Review of Research

Setting the standard: Does Rainforest Alliance Certification increase environmental and socio‐economic outcomes for small‐scale coffee producers in Rwanda?

Apparent nitrogen limitation of Robusta coffee yields in young agroforestry systems

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