Author

Ian Valentine

Observed names: I Valentine, I. Valentine, Valentine, I, Valentine, I., Valentine, Ian

Observed institutions: AgResearch, Massey University, The University of Adelaide, Western Sydney University, Southwest Minzu University

OpenAlex ID: A5021370045

Systems thinking and practices in the education of agriculturalists

1984 · Richard J. Bawden, Robert D. Macadam, et al. · Agricultural Systems · 124

Relationship between tree canopy height and the production of pasture species in a silvopastoral system based on alder trees

2008 · Naba R. Devkota, Peter D. Kemp, et al. · Agroforestry Systems · 52

Phenotypic plasticity of life-history characters in response to different germination timing in two annual weeds

2005 · Daowei Zhou, Tianhui Wang, et al. · Canadian Journal of Botany · 50

The influence of topography and pasture management on soil characteristics and herbage accumulation in hill pasture in the North Island of New Zealand

2003 · I. F. López, M. G. Lambert, et al. · Plant and Soil · 45

Influence of pastoral fallow on plant root growth and soil physical and chemical characteristics in a hill pasture

1997 · Z.N. Nie, A.D. Mackay, et al. · Plant and Soil · 38

Predictive modelling of hill-pasture productivity: integration of a decision tree and a geographical information system

2005 · Baisen Zhang, Ian Valentine, et al. · Agricultural Systems · 37

A research paradigm for systems agriculture.

1985 · Richard Bawden, Ray Ison, et al. · Open Research Online (The Open University) · 35

Selective defoliation by sheep according to slope and plant species in the hill country of New Zealand

2003 · I. F. López, J. Hodgson, et al. · Grass and Forage Science · 34

Principles and processes for effecting change in environmental management in New Zealand

2006 · Ian Valentine, Evelyn Hurley, et al. · Journal of Environmental Management · 33

Modelling the productivity of naturalised pasture in the North Island, New Zealand: a decision tree approach

2005 · Baisen Zhang, Ian Valentine, et al. · Ecological Modelling · 31

Pasture damage and regrowth from cattle treading

2000 · T.N. Pande, I. Valentine, et al. · Proceedings of the New Zealand Grassland Association · 29

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Changes in plant population density, composition and sward structure of a hill pasture during a pastoral fallow

1997 · Z. N. Nie, A. D. Mackay, et al. · Grass and Forage Science · 27

Spatially explicit modelling of the impact of climate changes on pasture production in the North Island,New Zealand

2007 · Baisen Zhang, Ian Valentine, et al. · Climatic Change · 23

A decision tree approach modelling functional group abundance in a pasture ecosystem

2005 · Baisen Zhang, Ian Valentine, et al. · Agriculture Ecosystems & Environment · 23

Learning to be a Capable Systems Agriculturalist

1984 · Ian Valentine, Richard Bawden · PLET Programmed Learning & Educational Technology · 17

New Zealand's Pastoral Industries: Efficient Use of Grassland Resources

2019 · John Hodgson, Keith Cameron, et al. · CRC Press eBooks · 15

Plant functional groups in a heterogeneous environment

2006 · Ignacio F. López, Ian Valentine, et al. · New Zealand Journal of Agricultural Research · 15

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Seed maturity and harvest time effects seed quantity and quality of Hordeum brevisubulatum

2006 · P. Wang, D.W. Zhou, et al. · Seed Science and Technology · 10

Shade tolerance of pasture species in relation to deciduous tree, temperate silvopastoral systems.

2000 · N. R. Devkota, Peter Kemp, et al. · 9

Feed planning - alternative approaches used by farmers

2003 · D.I. Gray, W.J. Parker, et al. · Proceedings of the New Zealand Grassland Association · 8

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Influence of the timing and duration of pastoral fallowing and nitrogen fertiliser on pasture and white clover ( Trifolium repens ) growth in hill country

1998 · Z. N. Nie, D. J. Barker, et al. · New Zealand Journal of Agricultural Research · 8

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Response of southern North Island hill pasture to nitrogen, molybdenum and lime

1993 · Zhou Jiayou, I. Valentine, et al. · Proceedings of the New Zealand Grassland Association · 8

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An emerging model of a systems agriculturalist

2005 · Ian Valentine · Systems Research and Behavioral Science · 7

Sustainability of Grazing Systems: Feed Base, Critical Grazing Pressure and Variability

2003 · Craig J. Pearson, Heping Zuo, et al. · International Journal of Agricultural Sustainability · 7

Long-term effects of pastoral fallowing on the distribution and performance of white clover (Trifolium repens L.) in a hill country pasture

1996 · Z.N. Nie, I. Valentine, et al. · NZGA Research and Practice Series · 6

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Works count: 51

Citation count: 729

H-index: 15

I10-index: 18