Stable high yields with zero tillage and permanent bed planting?

Govaerts, Bram; Sayre, Ken D.; Deckers, Jozef

doi:10.1016/j.fcr.2004.11.003

Cited by 209 publications

(146 citation statements)

References 14 publications

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“…Conservation agriculture (CA) is an example of intenselyresearched and globally promoted sustainable technology (Derpsch et al 2010;Erenstein et al 2012;Giller et al 2009;Hobbs 2007;Hobbs et al 2008;Kassam et al 2009;Knowler and Bradshaw 2007;Nyanga et al 2012;Valbuena et al 2012;Wall 2007). Evidence shows that CA can enhance soil health, contribute to higher and more stable yields, and reduce production costs Govaerts et al 2005;Kassam et al 2009). The aforementioned benefits contribute to medium -and longer-term sustainable development and can be observed after 10-12 years, if not sooner (Govaerts et al 2005(Govaerts et al , 2009.…”

Section: Potential Trade-offs Of Agricultural Technologies From a Genmentioning

confidence: 99%

“…Evidence shows that CA can enhance soil health, contribute to higher and more stable yields, and reduce production costs Govaerts et al 2005;Kassam et al 2009). The aforementioned benefits contribute to medium -and longer-term sustainable development and can be observed after 10-12 years, if not sooner (Govaerts et al 2005(Govaerts et al , 2009.…”

Section: Potential Trade-offs Of Agricultural Technologies From a Genmentioning

confidence: 99%

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Gender, nutrition- and climate-smart food production: Opportunities and trade-offs

2013

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Future food and nutrition security is threatened by climate change, overexploitation of natural resources and pervasive social inequalities. Promising solutions are often technology-focused and not necessarily developed considering gender and social disparities. This paper addresses issues of gender and human development opportunities and tradeoffs related to promoting improved technologies for agricultural development. We examined these aspects for conservation agriculture (CA) as part of a cropping system with nutrition-and climate-smart potential. The paper is based on a literature review and field experiences from Zambia and Mexico. Findings point up situations where the promotion of CA for smallholders in developing countries may have undesired effects from gender and human development perspectives, specifically relating to drudgery, nutrition and food security, residue use, assets, mechanization and extension. The direction and magnitude of potential trade-offs depend on the local context and the specific intervention. The analysis is followed by a discussion of opportunities and pathways for mitigating the trade-offs, including gender transformative approaches; engagement with alternative or non-traditional partners with different but complementary perspectives and strengths; "smart" combinations of technologies and approaches; and policies for inclusive development.

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Section: Potential Trade-offs Of Agricultural Technologies From a Genmentioning

confidence: 99%

Section: Potential Trade-offs Of Agricultural Technologies From a Genmentioning

confidence: 99%

Gender, nutrition- and climate-smart food production: Opportunities and trade-offs

2013

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“…Tesfay found that soil organic matter and nitrogen losses by runoff were significantly higher in PT compared to CA while phosphorus loss was higher in CA. Although improvements in crop yield were observed, a period of three to five years of cropping is required before they become significant (Govaerts et al, 2005;Tesfay Araya et al, 2012). Also gross margin of the CA practice increased significantly as of 2007 in parallel to crop yield improvement .…”

Section: Agronomic (Biophysical) Benefits Mentioned By the Interviewementioning

confidence: 99%

“…Some farmers think the yield can increase by half, or can even double. Indeed, according to Govaerts et al (2005), zero tillage with residue retention results in higher and more stable yields than conventional management, although it can take some years before the benefits are evident. Tesfay found that soil organic matter and nitrogen losses by runoff were significantly higher in PT compared to CA while phosphorus loss was higher in CA.…”

Section: Agronomic (Biophysical) Benefits Mentioned By the Interviewementioning

confidence: 99%

Toward Practical Implementation of Conservation Agriculture: A Case Study in the May Zeg-zeg Catchment (Ethiopia)

Lanckriet

Araya

Derudder

et al. 2014

Agroecology and Sustainable Food Systems

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Conservation agriculture (CA) is often quoted as a beneficial resource-saving technique for dryland agriculture, but its large-scale implementation is frequently hindered by the lack of farmers' acceptance. To date, few studies have investigated the impact of spatial factors, costs and benefits and regional agro-system differentiation on adoption of CA. This study therefore aims to assess the impact of these factors through a case study in the North Ethiopian Highlands.One hundred and eight farmers of eleven villages surrounding an experimental plot were interviewed in order to identify their knowledge and acceptance of the technique. The results show that several spatial factors play a role in CA acceptance. The lack of knowledge on the resource-saving technique proved primarily dependent (R=-0.73) on spatial impedance with the innovation source and on the strength of sociospatial networks. Next, a consumer model showed that perceived costs and benefits seem to balance each other. Finally, some agronomic traditions were identified that are related to the regional agro-ecosystem, which are not favoring the implementation of zero-tillage practices. Since this study identified acceptance problems related to several spatial and regional factors, future CA adoption schemes must allow better regional differentiation optimized to local contexts and conditions.

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“…The portfolio of options in the South Asia CSVs had synergistic effects , Khatri-Chetri et al 2016. Similarly, studies in all regions showed that there is considerable yield advantage when a portfolio of technologies is used, rather than technologies being used in isolation (Govaerts et al 2005, Zougmore et al 2014. For example, crop rotation with legumes, incorporation of crop residues and compost with minimum tillage enhances soil nutrients and ameliorates water stress through improved soil https://www.ecologyandsociety.org/vol23/iss1/art14/ water relations.…”

Section: Synergies and Trade-offs Across Interventionsmentioning

confidence: 99%

The climate-smart village approach: framework of an integrative strategy for scaling up adaptation options in agriculture

Aggarwal¹,

Jarvis²,

Campbell³

et al. 2018

E&S

148

120

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ABSTRACT. Increasing weather risks threaten agricultural production systems and food security across the world. Maintaining agricultural growth while minimizing climate shocks is crucial to building a resilient food production system and meeting developmental goals in vulnerable countries. Experts have proposed several technological, institutional, and policy interventions to help farmers adapt to current and future weather variability and to mitigate greenhouse gas (GHG) emissions. This paper presents the climate-smart village (CSV) approach as a means of performing agricultural research for development that robustly tests technological and institutional options for dealing with climatic variability and climate change in agriculture using participatory methods. It aims to scale up and scale out the appropriate options and draw out lessons for policy makers from local to global levels. The approach incorporates evaluation of climate-smart technologies, practices, services, and processes relevant to local climatic risk management and identifies opportunities for maximizing adaptation gains from synergies across different interventions and recognizing potential maladaptation and trade-offs. It ensures that these are aligned with local knowledge and link into development plans. This paper describes early results in Asia, Africa, and Latin America to illustrate different examples of the CSV approach in diverse agroecological settings. Results from initial studies indicate that the CSV approach has a high potential for scaling out promising climate-smart agricultural technologies, practices, and services. Climate analog studies indicate that the lessons learned at the CSV sites would be relevant to adaptation planning in a large part of global agricultural land even under scenarios of climate change. Key barriers and opportunities for further work are also discussed.

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Stable high yields with zero tillage and permanent bed planting?

Cited by 209 publications

References 14 publications

Gender, nutrition- and climate-smart food production: Opportunities and trade-offs

Gender, nutrition- and climate-smart food production: Opportunities and trade-offs

Toward Practical Implementation of Conservation Agriculture: A Case Study in the May Zeg-zeg Catchment (Ethiopia)

The climate-smart village approach: framework of an integrative strategy for scaling up adaptation options in agriculture

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