R. K. M. Hay

2.3k total citations · 1 hit paper
36 papers, 1.7k citations indexed

About

R. K. M. Hay is a scholar working on Plant Science, Agronomy and Crop Science and Soil Science. According to data from OpenAlex, R. K. M. Hay has authored 36 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Plant Science, 15 papers in Agronomy and Crop Science and 9 papers in Soil Science. Recurrent topics in R. K. M. Hay's work include Crop Yield and Soil Fertility (10 papers), Wheat and Barley Genetics and Pathology (9 papers) and Soil Carbon and Nitrogen Dynamics (6 papers). R. K. M. Hay is often cited by papers focused on Crop Yield and Soil Fertility (10 papers), Wheat and Barley Genetics and Pathology (9 papers) and Soil Carbon and Nitrogen Dynamics (6 papers). R. K. M. Hay collaborates with scholars based in United Kingdom, Ghana and United States. R. K. M. Hay's co-authors include Allan Walker, A. H. Fitter, R. W. Snaydon, Ola M. Heide, R. Delécolle, G. Tunnicliffe Wilson, David Kemp, N. W. Offer, E. A. Hunter and Martine Guérif and has published in prestigious journals such as New Phytologist, Journal of Ecology and Journal of Experimental Botany.

In The Last Decade

R. K. M. Hay

36 papers receiving 1.5k citations

Hit Papers

align trajectories

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.

Harvest index: a review of its use in plant breeding and crop physiology

1995 476 citations R. K. M. Hay Annals of Applied Biology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R. K. M. Hay United Kingdom	20	1.2k	664	312	264	214	36	1.7k
Ghislain Gosse France	16	1.0k 0.9×	561 0.8×	471 1.5×	287 1.1×	121 0.6×	26	1.5k
G. H. Heichel United States	29	1.8k 1.5×	876 1.3×	599 1.9×	292 1.1×	194 0.9×	95	2.6k
J. M. Bennett United States	21	1.5k 1.2×	707 1.1×	486 1.6×	474 1.8×	277 1.3×	49	2.0k
J. W. Maranville United States	24	1.7k 1.4×	872 1.3×	616 2.0×	172 0.7×	141 0.7×	83	2.2k
D. A. Charles‐Edwards Australia	23	1.3k 1.1×	430 0.6×	226 0.7×	649 2.5×	150 0.7×	69	1.8k
G. F. Arkin United States	18	932 0.8×	424 0.6×	537 1.7×	360 1.4×	208 1.0×	36	1.5k
J. R. Kiniry United States	22	912 0.8×	740 1.1×	385 1.2×	364 1.4×	262 1.2×	39	1.7k
MM Ludlow Australia	22	1.1k 0.9×	333 0.5×	236 0.8×	555 2.1×	119 0.6×	31	1.5k
D. S. H. Drennan United Kingdom	17	1.1k 0.9×	447 0.7×	254 0.8×	74 0.3×	143 0.7×	57	1.3k
George C.J. Fernandez United States	17	1.0k 0.9×	333 0.5×	173 0.6×	132 0.5×	93 0.4×	50	1.8k

Countries citing papers authored by R. K. M. Hay

Since Specialization

Citations

This map shows the geographic impact of R. K. M. Hay'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 R. K. M. Hay with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites R. K. M. Hay more than expected).

Fields of papers citing papers by R. K. M. Hay

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. K. M. Hay. 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 R. K. M. Hay. The network helps show where R. K. M. Hay may publish in the future.

Co-authorship network of co-authors of R. K. M. Hay

This figure shows the co-authorship network connecting the top 25 collaborators of R. K. M. Hay. A scholar is included among the top collaborators of R. K. M. Hay 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 R. K. M. Hay. R. K. M. Hay is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Hay, R. K. M.. (1995). Harvest index: a review of its use in plant breeding and crop physiology. Annals of Applied Biology. 126(1). 197–216. 476 indexed citations breakdown →

Hay, R. K. M., et al.. (1994). Characteristics of varieties of thyme (Thymus vulgarisL.) for use in the UK: Oil content, composition and related characters. Journal of Horticultural Science. 69(2). 275–281. 20 indexed citations

Hay, R. K. M.. (1993). The contribution of crop physiology to strategies for new arable crops for cool wet regions : a case history from Scotland. European Journal of Agronomy. 2(3). 161–171. 2 indexed citations

Hay, R. K. M. & N. W. Offer. (1992). Helianthus tuberosus as an alternative forage crop for cool maritime regions: A preliminary study of the yield and nutritional quality of shoot tissues from perennial stands. Journal of the Science of Food and Agriculture. 60(2). 213–221. 24 indexed citations

Hay, R. K. M., et al.. (1991). Sprout and stem development from potato tubers of differing physiological age: the role of apical dominance. Field Crops Research. 27(1-2). 1–16. 7 indexed citations

Hay, R. K. M.. (1990). The influence of photoperiod on the dry matter production of grasses and cereals. New Phytologist. 116(2). 233–254. 68 indexed citations

Hay, R. K. M. & David Kemp. (1990). Primordium initiation at the stem apex as the primary event controlling plant development: preliminary evidence from wheat for the regulation of leaf development. Plant Cell & Environment. 13(9). 1005–1008. 22 indexed citations

Hay, R. K. M. & R. Delécolle. (1989). The setting of rates of development of wheat plants at crop emergence: Influence of the environment on rates of leaf appearance. Annals of Applied Biology. 115(2). 333–341. 43 indexed citations

Hay, R. K. M.. (1989). The performance of high‐latitude grass varieties under Scottish conditions: seasonal distribution of dry‐matter production. Grass and Forage Science. 44(4). 405–410. 6 indexed citations

10.

Hay, R. K. M., et al.. (1988). Field studies of leaf development and expansion in the leek (Allium porrum). Annals of Applied Biology. 113(3). 617–625. 11 indexed citations

11.

Hay, R. K. M.. (1985). The microclimate of an upland grassland. Grass and Forage Science. 40(2). 201–212. 2 indexed citations

12.

Heide, Ola M., et al.. (1985). Specific Daylength Effects on Leaf Growth and Dry-matter Production in High-latitude Grasses. Annals of Botany. 55(4). 579–586. 43 indexed citations

13.

Hay, R. K. M. & Ola M. Heide. (1983). Specific photoperiodic stimulation of dry matter production in a high‐latitude cultivar of Poa pratensis. Physiologia Plantarum. 57(1). 135–142. 43 indexed citations

14.

Hay, R. K. M., et al.. (1983). The physiology of forage rye (Secale cereale). The Journal of Agricultural Science. 101(1). 63–70. 11 indexed citations

15.

Fitter, A. H., et al.. (1982). Environmental Physiology of Plants.. Journal of Ecology. 70(1). 377–377. 175 indexed citations

16.

Hay, R. K. M. & G. Tunnicliffe Wilson. (1982). Leaf appearance and extension in field-grown winter wheat plants: the importance of soil temperature during vegetative growth. The Journal of Agricultural Science. 99(2). 403–410. 60 indexed citations

17.

Hay, R. K. M., et al.. (1978). THE EFFECTS OF TILLAGE, DIRECT DRILLING AND NITROGEN FERTILISER ON SOIL TEMPERATURE UNDER A BARLEY CROP. Journal of Soil Science. 29(2). 174–183. 34 indexed citations

18.

Hay, R. K. M.. (1977). EFFECTS OF TILLAGE AND DIRECT DRILLING ON SOIL TEMPERATURE IN WINTER. Journal of Soil Science. 28(3). 403–409. 9 indexed citations

19.

Hay, R. K. M.. (1976). THE TEMPERATURE OF THE SOIL UNDER A BARLEY CROP. Journal of Soil Science. 27(2). 121–128. 10 indexed citations

20.

Hay, R. K. M. & W. P. Anderson. (1972). Characterization of Exudation from Excised Roots of Onion,Allium cepa. Journal of Experimental Botany. 23(3). 585–590. 4 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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