Penny Riffkin

1.2k total citations · 1 hit paper
31 papers, 896 citations indexed

About

Penny Riffkin is a scholar working on Agronomy and Crop Science, Forestry and Plant Science. According to data from OpenAlex, Penny Riffkin has authored 31 papers receiving a total of 896 indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Agronomy and Crop Science, 16 papers in Forestry and 12 papers in Plant Science. Recurrent topics in Penny Riffkin's work include Pasture and Agricultural Systems (14 papers), Soil Carbon and Nitrogen Dynamics (11 papers) and Ruminant Nutrition and Digestive Physiology (8 papers). Penny Riffkin is often cited by papers focused on Pasture and Agricultural Systems (14 papers), Soil Carbon and Nitrogen Dynamics (11 papers) and Ruminant Nutrition and Digestive Physiology (8 papers). Penny Riffkin collaborates with scholars based in Australia, United Kingdom and China. Penny Riffkin's co-authors include Garry J. O’Leary, Brendan Christy, James G. Nuttall, Kirsten Barlow, Richard A. Richards, Gavin Kearney, Colin Cavanagh, Tina Acuña, T. D. Potter and P. M. Evans and has published in prestigious journals such as Plant and Soil, Agriculture Ecosystems & Environment and Field Crops Research.

In The Last Decade

Penny Riffkin

30 papers receiving 850 citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Simulating the impact of extreme heat and frost events on wheat crop production: A review

2014 391 citations Brendan Christy, Garry J. O’Leary et al. Field Crops Research profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Penny Riffkin Australia	14	537	369	261	192	152	31	896
B. A. McKenzie New Zealand	18	641 1.2×	444 1.2×	139 0.5×	171 0.9×	105 0.7×	84	1.0k
María A. Pérez‐Fernández Spain	21	888 1.7×	220 0.6×	209 0.8×	189 1.0×	144 0.9×	62	1.3k
Simon Boudsocq France	11	345 0.6×	223 0.6×	124 0.5×	223 1.2×	93 0.6×	20	706
F. Patrick Smith Australia	15	476 0.9×	224 0.6×	118 0.5×	47 0.2×	171 1.1×	22	851
G. N. Howe Australia	11	790 1.5×	530 1.4×	126 0.5×	458 2.4×	102 0.7×	12	1.1k
Don Ort United States	2	659 1.2×	216 0.6×	436 1.7×	187 1.0×	294 1.9×	3	1.1k
Benny De Cauwer Belgium	16	428 0.8×	128 0.3×	189 0.7×	93 0.5×	144 0.9×	59	755
S.B.M. Chimphango South Africa	20	790 1.5×	250 0.7×	186 0.7×	154 0.8×	70 0.5×	65	1.0k
M. G. Agnusdei Argentina	17	265 0.5×	391 1.1×	217 0.8×	278 1.4×	158 1.0×	44	802
Hélène Tribouillois France	12	347 0.6×	294 0.8×	91 0.3×	317 1.7×	60 0.4×	14	657

Countries citing papers authored by Penny Riffkin

Since Specialization

Citations

This map shows the geographic impact of Penny Riffkin's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Penny Riffkin with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Penny Riffkin more than expected).

Fields of papers citing papers by Penny Riffkin

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Penny Riffkin. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Penny Riffkin. The network helps show where Penny Riffkin may publish in the future.

Co-authorship network of co-authors of Penny Riffkin

This figure shows the co-authorship network connecting the top 25 collaborators of Penny Riffkin. A scholar is included among the top collaborators of Penny Riffkin based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Penny Riffkin. Penny Riffkin is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Rao, S. Appa, et al.. (2023). Pulse ideotypes for abiotic constraint alleviation in Australia. Plant and Soil. 492(1-2). 1–30. 4 indexed citations

Wallace, Ashley J., Uttam Khanal, Brendan Christy, et al.. (2023). Intercropping—Towards an Understanding of the Productivity and Profitability of Dryland Crop Mixtures in Southern Australia. Agronomy. 13(10). 2510–2510. 4 indexed citations

Christy, Brendan, Penny Riffkin, Richard A. Richards, et al.. (2020). An allelic based phenological model to predict phasic development of wheat (Triticum aestivum L.). Field Crops Research. 249. 107722–107722. 9 indexed citations

Richards, Richard A., Penny Riffkin, Jens Berger, et al.. (2019). Wheat grain number and yield: The relative importance of physiological traits and source-sink balance in southern Australia. European Journal of Agronomy. 110. 125935–125935. 21 indexed citations

Acuña, Tina, Richard A. Richards, Debra Partington, et al.. (2019). Extending the duration of the ear construction phase to increase grain yield of bread wheat. Crop and Pasture Science. 70(5). 428–436. 9 indexed citations

Christy, Brendan, et al.. (2019). Potential yield benefits from increased vernalisation requirement of canola in Southern Australia. Field Crops Research. 239. 82–91. 5 indexed citations

Nie, Zhongnan, et al.. (2016). Benefits, challenges and opportunities of integrated crop-livestock systems and their potential application in the high rainfall zone of southern Australia: A review. Agriculture Ecosystems & Environment. 235. 17–31. 44 indexed citations

Acuña, Tina, Penny Riffkin, Brendan Christy, et al.. (2015). Can the duration of the spike construction phase increase the yield of wheat. Figshare. 1–4. 1 indexed citations

Riffkin, Penny, T. D. Potter, & Gavin Kearney. (2012). Yield performance of late-maturing winter canola (Brassica napus L.) types in the High Rainfall Zone of southern Australia. Crop and Pasture Science. 63(1). 17–32. 40 indexed citations

10.

Sylvester‐Bradley, R., Penny Riffkin, & Garry J. O’Leary. (2011). Designing resource-efficient ideotypes for new cropping conditions: Wheat (Triticum aestivum L.) in the High Rainfall Zone of southern Australia. Field Crops Research. 125. 69–82. 30 indexed citations

11.

Riffkin, Penny, et al.. (2008). Perceptions of grain growers towards annual cropping in the high rainfall zone of Southern Australia..

12.

Evans, P. M., et al.. (2004). Performance of annual pasture legumes in cropping rotations in the cool temperate zone of south-eastern Australia. Australian Journal of Experimental Agriculture. 44(9). 863–871. 11 indexed citations

13.

Riffkin, Penny, P. M. Evans, M. Unkovich, & G. O'Leary. (2003). Successful high rainfall cropping in southern Australia using raised beds.. 0–3. 5 indexed citations

14.

Evans, P. M., et al.. (2003). Annual pasture legumes for farming systems in cool-temperate areas with summer soil moisture deficits. NZGA Research and Practice Series. 11. 149–154. 5 indexed citations

15.

Riffkin, Penny, et al.. (2003). Early-maturing spring wheat outperforms late-maturing winter wheat in the high rainfall environment of south-western Victoria. Australian Journal of Agricultural Research. 54(2). 193–202. 23 indexed citations

16.

McKenzie, F. R., J. L. Jacobs, Penny Riffkin, G. Kearney, & M. R. McCaskill. (2003). Long-term effects of multiple applications of nitrogen fertiliser on grazed dryland perennial ryegrass/white clover dairy pastures in south-west Victoria. 1. Nitrogen fixation by white clover. Australian Journal of Agricultural Research. 54(5). 461–469. 19 indexed citations

17.

Evans, P. M., et al.. (2002). Effect of plant density on the winter production of annual clovers grown in monocultures. Australian Journal of Experimental Agriculture. 42(2). 135–141. 7 indexed citations

18.

Riffkin, Penny, et al.. (2001). Growth attributes for higher wheat yields in the high rainfall zone of south-western Victoria.. 2 indexed citations

19.

Riffkin, Penny, et al.. (2001). Extending pasture quality later into the season.. 3 indexed citations

20.

Riffkin, Penny, P. E. Quigley, Gavin Kearney, et al.. (1999). Factors associated with biological nitrogen fixation in dairy pastures in south-western Victoria. Australian Journal of Agricultural Research. 50(2). 261–272. 35 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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