Sue Walker

University of the Free State — South Africa

Agricultural and Biological Sciences · Life Sciences

38h-index4.9kcitations196works5.52yr avg
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Research Topics

Climate change impacts on agriculture(47), Agronomic Practices and Intercropping Systems(40), Plant Water Relations and Carbon Dynamics(25), Agroforestry and silvopastoral systems(25), Irrigation Practices and Water Management(23)

Publications196 total

An Evaluation of Smallholder Irrigation Typology Performance in Limpopo Province: South Africa
Sustainability·2025Open Access
Maize mutant hybrids with improved drought tolerance and increased yield in a field experimental setting
2025Open Access
Effect of intercropping maize and sunn hemp at different times and stand densities on soil properties and crop yield under in-field rainwater harvesting (IRWH) tillage in semi-arid South Africa
Plant and Soil·2024· 5 citedOpen Access
Author Correction: Stakeholder-driven transformative adaptation is needed for climate-smart nutrition security in sub-Saharan Africa
Nature Food·2024Open Access
Stakeholder-driven transformative adaptation is needed for climate-smart nutrition security in sub-Saharan Africa
Nature Food·2024· 28 citedOpen Access
Agromet Services for Sustainable Cropping Systems
2024
Optimizing the planting time and stand density of sunn hemp intercropping for biomass productivity and competitiveness in a maize-based system
Field Crops Research·2023· 11 citedOpen Access
Planting time and stand density effect on radiation interception and use efficiency of maize and sunn hemp intercropping in semi-arid South Africa
Agricultural and Forest Meteorology·2023· 16 citedOpen Access
In-Field Rainwater Harvesting Tillage in Semi-Arid Ecosystems: I Maize–Bean Intercrop Performance and Productivity
Plants·2023· 4 citedOpen Access
In-Field Rainwater Harvesting Tillage in Semi-Arid Ecosystems: II Maize–Bean Intercrop Water and Radiation Use Efficiency
Plants·2023· 5 citedOpen Access
Agricultural resilience and adaptive capacity during severe drought in the Western Cape, South Africa
Regional Environmental Change·2023· 13 citedOpen Access
Modeling climate change impact on dryland wheat production for increased crop yield in the Free State, South Africa, using GCM projections and the DSSAT model
Frontiers in Environmental Science·2023· 10 citedOpen Access
Agro-climatic sensitivity analysis for sustainable crop diversification; the case of Proso millet (Panicum miliaceum L.)
PLoS ONE·2023· 17 citedOpen Access
Short-term effects of sunn hemp intercropping management in a maize-based system on the soil fertility of a Plinthic Cambisol in Free State, South Africa
Research Square (Research Square)·2023· 1 citedOpen Access
Using crop modeling to find solutions for wheat diseases: A review
Frontiers in Environmental Science·2023· 6 citedOpen Access
Evaluating Water Productivity of Sunn Hemp Intercropping Management for Soil Cover in a Maize-Based Rainwater Harvesting Technique
SSRN Electronic Journal·2023Open Access
Calibration and Validation of APSIM Millet Model for Proso millet (<em>Panicum miliaceum</em> L.) Accessions as a Basis for Crop Diversification
Journal of Agricultural Sciences – Sri Lanka·2023Open Access
Management of Cover Crop Intercropping for Live Mulch on Plant Productivity and Growth Resources: A Review
Air Soil and Water Research·2023· 17 citedOpen Access
Modelling Neglected and Underutilised Crops: A Systematic Review of Progress, Challenges, and Opportunities
Sustainability·2022· 8 citedOpen Access
Estimating soil water evaporation as influenced by “dry-and green-mulch” cover beneath maize canopy
Physics and Chemistry of the Earth Parts A/B/C·2022· 7 cited
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Frequent Co-authors

Mitsuru Tsubo(11), Mokhele Edmond Moeletsi(7), Walter Mupangwa(6), H.O. Ogindo(5), Steve Twomlow(4), E. Mukhala(3), Stephen Twomlow(3), Derrick M. Oosterhuis(3), Kindie Tesfaye(2), Heather E. Jamieson(2), Antonio Lanzirotti(2), G. Zuma-Netshiukhwi(2), Kees Stigter(2), J. Eastham(2), Veronica Makuvaro(2), Tirivashe Phillip Masere(2), Emma Archer(2), Zaid Bello(2), Diriba B. Kumssa(1), Edward J. M. Joy(1)