Junqi Zhu
Scientist at The New Zealand Institute for Plant & Food Research Ltd
Nelson, Nelson, New Zealand
Summary
👤
Senior🎓
Top SchoolJunqi Zhu is a scientist and plant modeller with nine years’ experience developing process-based and functional-structural models to predict grapevine growth, berry composition and management outcomes for viticulture. Based in Nelson, New Zealand, he combines ecological physiology, 3D structural simulation and mathematical modelling to quantify how leaf area, yield and environment drive soluble solids accumulation and inform fine-scale interventions like trimming and irrigation. His work spans academia and applied research—from a PhD in crop science and a postdoc on climate impacts to an industry role at Plant & Food Research—bringing models into tools that growers can use for “what if” scenario testing. An active contributor to the APSIMx open-source project, he has improved phenology and radiation interception code in C#, demonstrating both modelling depth and practical software debugging skills. Notably, he blends rigorous field-based experiments and microclimate observations with scalable simulation platforms, making mechanistic insights directly actionable for winegrowers.
9 years of coding experience
2 years of employment as a software developer
Postdoc, Grapevine, Postdoc, Grapevine at French National Institute for Agriculture, Food and EnvironmentDoctor of Philosophy (PhD), Agronomy and Crop Science, Doctor of Philosophy (PhD), Agronomy and Crop Science at Wageningen UniversityMaster, agrometeorology, Master, agrometeorology at China Agricultural UniversityMaster of Agrometeorology, Resources and Environmental Sciences, Master of Agrometeorology, Resources and Environmental Sciences at department of agrometeorology, College of
Github Skills (8)
csharp10
dotnet-core10
netframework10
scientific-computing9
algorithms8
data-structures8
algorithm8
data-structure8
Programming languages (8)
Github contributions (5)
APSIMInitiative/ApsimX
Oct 2016 - Jun 2021
ApsimX is the next generation of APSIM
Role in this project:
Back-end Developer
Back-end DeveloperContributions:376 commits, 125 PRs, 124 comments in 4 years 8 months
Contributions summary:Junqi's commits primarily focused on the implementation and modification of model errors related to the phenology aspect of the APSIMx project, specifically working on the underlying C# code. These contributions involved debugging, correcting, and extending the phenology models within the project, with emphasis on the vine strip radiation interception model and bunch number calculations. Furthermore, the user demonstrated skills in adjusting data handling by fixing the bug related to the apexnum and updating the method for depth updating, resulting in improved phenology predictions.
next-generation
junqi108/GrapevineXL
Oct 2016 - Apr 2019
Functional-structural grapevine model
Contributions:4 PRs, 10 pushes, 9 branches in 2 years 5 months
grapevinestructural
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