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Does crop diversity contribute to dietary diversity? evidence from integration of vegetables into maize‑based farming systems

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Title Does crop diversity contribute to dietary diversity? evidence from integration of vegetables into maize‑based farming systems
 
Creator Rajendran, S.
Afari-Sefa, Victor
Shee, Apurba
Bocher, T.
Bekunda, Mateete A.
Dominick, I.
Lukumay, Philipo J.
 
Subject maize
crop diversification
farming systems
food security
income generation
value chain
dietary diversity
smallholders
 
Description Open Access Journal; Published: 21 Oct 2017
Background
Maize is the most important staple crop for food security and livelihood of smallholder farmers in many parts of sub-Saharan Africa, but it alone cannot ensure food security. Cropping patterns must be diversified to ensure an adequate supply and economic access to greater variety of foods for smallholder farm households. This study measured the effect of crop diversification on household dietary diversity in a selected study locale using a survey of 300 randomly stratified farm households in 10 villages located in the Babati, Kongwa and Kiteto districts of Tanzania.

Results
Based on multiple regression analysis, the study found that simply increasing Simpson’s Index does not influence dietary diversity of farm households due to the presence of interaction effect between Simpson’s Index and crop income. It is much more critical and significant to increase the revenue generated from diversified crops along with other socioeconomic endowment and behavioral characteristics of farm households. This is particularly applicable to poorer smallholder farmers who receive crop income less than US$85 per sales transaction and per season. Particularly, marginal and smallholders might be exposed to the effects of crop diversification and crop income toward increasing in their household dietary diversity score.

Conclusion
Under average crop income scenarios, households that diversify their crop production tend to increase their dietary diversity from their existing dietary diversity score at a decreasing rate. However, under below average crop income threshold scenarios, farmers tend to increase their dietary diversity score from their existing score at an increasing rate when they diversify into high-value crops that attract relatively high farm gate values and accrue higher net revenues from the market. Monthly food expenditure also tends to positively influence household dietary diversity, indicating that farm households that spend more on market-purchased food have consistent increases in the their dietary diversity scores at the household level. This study concludes that improving economic access to variety of foods at the smallholder household level by diversifying diets through increased crop diversification should be encouraged within maize-based farming systems of the study locale, through integration of micronutrient-rich foods such as vegetables.
 
Date 2017-12
2017-12-20T14:41:49Z
2017-12-20T14:41:49Z
 
Type Journal Article
 
Identifier Rajendran, S., Afari-Sefa, V., Shee, A., Bocher, T., Bekunda, M., Dominick, I. & Lukumay, P.J. (2017). Does crop diversity contribute to dietary diversity? evidence from integration of vegetables into maize-based farming systems. Agriculture & Food Security, 6(50), 1-13.
2048-7010
https://hdl.handle.net/10568/89836
https://doi.org/10.1186/s40066-017-0127-3
 
Language en
 
Rights Open Access
 
Format 1-13
application/pdf
 
Publisher Springer
 
Source Agriculture and Food Security