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The dynamics between irrigation frequency and soil nutrient management: transitioning smallholder irrigation towards more profitable and sustainable systems in Zimbabwe

OAR@ICRISAT

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Relation http://oar.icrisat.org/11550/
https://doi.org/10.1080/07900627.2020.1739513
doi:10.1080/07900627.2020.1739513
 
Title The dynamics between irrigation frequency and soil nutrient management: transitioning smallholder irrigation towards more profitable and sustainable systems in Zimbabwe
 
Creator Moyo, M
Van Rooyen, A
Bjornlund, H
Parry, K
Stirzaker, R
Dube, T
Maya, M
 
Subject Irrigation
Soil Science
Zimbabwe
 
Description Successful irrigated agriculture is underpinned by answering two
critical questions: when and how much to irrigate. This article quantifies
the role of the Chameleon and the Wetting Front Detector,
monitoring tools facilitating decision-making and learning about soilwater-
nutrient dynamics. Farmers retained nutrients in the root zone
by reducing irrigation frequency, number of siphons, and event
duration. Water productivity increased by more than 100% for farmers
both with and without monitoring tools. Transitioning smallholder
irrigation systems into profitable and sustainable schemes
requires investment in technology, farmers and institutions.
Importantly, technologies need embedding in a learning environment
that fosters critical feedback mechanisms, such as market
constraints.
 
Publisher Routledge
 
Date 2020-05
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11550/1/The%20dynamics%20between%20irrigation%20frequency%20and%20soil%20nutrient%20management%20transitioning%20smallholder%20irrigation%20towards%20more%20profitable%20and%20sustainable.pdf
Moyo, M and Van Rooyen, A and Bjornlund, H and Parry, K and Stirzaker, R and Dube, T and Maya, M (2020) The dynamics between irrigation frequency and soil nutrient management: transitioning smallholder irrigation towards more profitable and sustainable systems in Zimbabwe. International Journal of Water Resources Development (TSI). pp. 1-25. ISSN 0790-0627