Narrowing yield gaps does not guarantee a living income from smallholder farming-an empirical study from western Kenya

Crop yields in sub-Saharan Africa need to increase to keep pace with food demands from the burgeoning population. Smallholder farmers play an important role in national food self-sufficiency, yet many live in poverty. Investing in inputs to increase yields is therefore often not viable for them. To...

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Main Authors: Marinus, W., Descheemaeker, Katrien K., Ven, G.W. van de, Vanlauwe, Bernard, Giller, Kenneth E.
Format: Journal Article
Language:Inglés
Published: 2023
Subjects:
Online Access:https://hdl.handle.net/10568/130176
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author Marinus, W.
Descheemaeker, Katrien K.
Ven, G.W. van de
Vanlauwe, Bernard
Giller, Kenneth E.
author_browse Descheemaeker, Katrien K.
Giller, Kenneth E.
Marinus, W.
Vanlauwe, Bernard
Ven, G.W. van de
author_facet Marinus, W.
Descheemaeker, Katrien K.
Ven, G.W. van de
Vanlauwe, Bernard
Giller, Kenneth E.
author_sort Marinus, W.
collection Repository of Agricultural Research Outputs (CGSpace)
description Crop yields in sub-Saharan Africa need to increase to keep pace with food demands from the burgeoning population. Smallholder farmers play an important role in national food self-sufficiency, yet many live in poverty. Investing in inputs to increase yields is therefore often not viable for them. To investigate how to unlock this paradox, whole-farm experiments can reveal which incentives could increase farm production while also increasing household income. In this study we investigated the impact of providing farmers with a US$ 100 input voucher each season, for five seasons in a row, on maize yields and overall farm-level production in two contrasting locations in terms of population density, Vihiga and Busia, in western Kenya. We compared the value of farmers’ produce with the poverty line and the living income threshold. Crop yields were mainly limited by cash constraints and not by technological constraints as maize yield immediately increased from 16% to 40–50% of the water-limited yield with the provision of the voucher. In Vihiga, at best, one-third of the participating households reached the poverty line. In Busia half of the households reached the poverty line and one-third obtained a living income. This difference between locations was caused by larger farm areas in Busia. Although one third of the households increased the area farmed, mostly by renting land, this was not enough for them to obtain a living income. Our results provide empirical evidence of how a current smallholder farming system could improve its productivity and value of produce upon the introduction of an input voucher. We conclude that increasing yields of the currently most common crops cannot provide a living income for all households and additional institutional changes, such as alternative employment, are required to provide smallholder farmers a way out of poverty.
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spelling CGSpace1301762025-11-11T10:07:36Z Narrowing yield gaps does not guarantee a living income from smallholder farming-an empirical study from western Kenya Marinus, W. Descheemaeker, Katrien K. Ven, G.W. van de Vanlauwe, Bernard Giller, Kenneth E. food security crop yield sub-saharan africa smallholders farmers economic impact Crop yields in sub-Saharan Africa need to increase to keep pace with food demands from the burgeoning population. Smallholder farmers play an important role in national food self-sufficiency, yet many live in poverty. Investing in inputs to increase yields is therefore often not viable for them. To investigate how to unlock this paradox, whole-farm experiments can reveal which incentives could increase farm production while also increasing household income. In this study we investigated the impact of providing farmers with a US$ 100 input voucher each season, for five seasons in a row, on maize yields and overall farm-level production in two contrasting locations in terms of population density, Vihiga and Busia, in western Kenya. We compared the value of farmers’ produce with the poverty line and the living income threshold. Crop yields were mainly limited by cash constraints and not by technological constraints as maize yield immediately increased from 16% to 40–50% of the water-limited yield with the provision of the voucher. In Vihiga, at best, one-third of the participating households reached the poverty line. In Busia half of the households reached the poverty line and one-third obtained a living income. This difference between locations was caused by larger farm areas in Busia. Although one third of the households increased the area farmed, mostly by renting land, this was not enough for them to obtain a living income. Our results provide empirical evidence of how a current smallholder farming system could improve its productivity and value of produce upon the introduction of an input voucher. We conclude that increasing yields of the currently most common crops cannot provide a living income for all households and additional institutional changes, such as alternative employment, are required to provide smallholder farmers a way out of poverty. 2023 2023-04-28T10:52:10Z 2023-04-28T10:52:10Z Journal Article https://hdl.handle.net/10568/130176 en Open Access application/pdf Marinus, W., Descheemaeker, K., van de Ven, G.W., Vanlauwe, B. & Giller, K. (2023). Narrowing yield gaps does not guarantee a living income from smallholder farming–an empirical study from western Kenya. PloS ONE, 18(4): e0283499, 1-16.
spellingShingle food security
crop yield
sub-saharan africa
smallholders
farmers
economic impact
Marinus, W.
Descheemaeker, Katrien K.
Ven, G.W. van de
Vanlauwe, Bernard
Giller, Kenneth E.
Narrowing yield gaps does not guarantee a living income from smallholder farming-an empirical study from western Kenya
title Narrowing yield gaps does not guarantee a living income from smallholder farming-an empirical study from western Kenya
title_full Narrowing yield gaps does not guarantee a living income from smallholder farming-an empirical study from western Kenya
title_fullStr Narrowing yield gaps does not guarantee a living income from smallholder farming-an empirical study from western Kenya
title_full_unstemmed Narrowing yield gaps does not guarantee a living income from smallholder farming-an empirical study from western Kenya
title_short Narrowing yield gaps does not guarantee a living income from smallholder farming-an empirical study from western Kenya
title_sort narrowing yield gaps does not guarantee a living income from smallholder farming an empirical study from western kenya
topic food security
crop yield
sub-saharan africa
smallholders
farmers
economic impact
url https://hdl.handle.net/10568/130176
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