J Brockwell

5.6k total citations · 1 hit paper
109 papers, 3.8k citations indexed

About

J Brockwell is a scholar working on Plant Science, Agronomy and Crop Science and Forestry. According to data from OpenAlex, J Brockwell has authored 109 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 99 papers in Plant Science, 58 papers in Agronomy and Crop Science and 20 papers in Forestry. Recurrent topics in J Brockwell's work include Legume Nitrogen Fixing Symbiosis (97 papers), Agronomic Practices and Intercropping Systems (52 papers) and Nematode management and characterization studies (24 papers). J Brockwell is often cited by papers focused on Legume Nitrogen Fixing Symbiosis (97 papers), Agronomic Practices and Intercropping Systems (52 papers) and Nematode management and characterization studies (24 papers). J Brockwell collaborates with scholars based in Australia, United States and United Kingdom. J Brockwell's co-authors include RR Gault, D. F. Herridge, Mark B. Peoples, FW Hely, R. J. Roughley, P. J. Bottomley, FJ Bergersen, A. H. Gibson, Peter J. Bottomley and Janice E. Thies and has published in prestigious journals such as PLoS ONE, Applied and Environmental Microbiology and Soil Biology and Biochemistry.

In The Last Decade

J Brockwell

106 papers receiving 3.2k 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.

The contributions of nitrogen-fixing crop legumes to the productivity of agricultural systems

2009 570 citations Mark B. Peoples, J Brockwell et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J Brockwell Australia	35	3.4k	2.1k	594	391	337	109	3.8k
S. K. A. Danso Austria	33	2.3k 0.7×	1.3k 0.6×	938 1.6×	309 0.8×	220 0.7×	97	3.0k
Yvon Dommergues France	29	1.9k 0.6×	565 0.3×	475 0.8×	334 0.9×	133 0.4×	124	2.5k
R. J. Summerfield United Kingdom	41	4.5k 1.3×	1.4k 0.7×	245 0.4×	265 0.7×	71 0.2×	175	4.9k
Lee R. DeHaan United States	29	1.4k 0.4×	1.5k 0.7×	366 0.6×	329 0.8×	211 0.6×	70	2.6k
Graham O’Hara Australia	30	2.4k 0.7×	1.0k 0.5×	291 0.5×	434 1.1×	131 0.4×	99	2.8k
G. Hardarson Austria	27	1.9k 0.6×	1.2k 0.6×	532 0.9×	137 0.4×	76 0.2×	56	2.2k
A. H. Gibson Australia	24	1.7k 0.5×	624 0.3×	175 0.3×	190 0.5×	43 0.1×	39	1.9k
C. Johansen India	30	2.6k 0.8×	919 0.4×	571 1.0×	86 0.2×	88 0.3×	123	3.1k
Lindsay W. Bell Australia	28	698 0.2×	1.1k 0.5×	675 1.1×	515 1.3×	627 1.9×	89	2.4k
Anne-Sophie Voisin France	22	1.3k 0.4×	715 0.3×	280 0.5×	186 0.5×	93 0.3×	43	1.7k

Countries citing papers authored by J Brockwell

Since Specialization

Citations

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

Fields of papers citing papers by J Brockwell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J Brockwell. 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 J Brockwell. The network helps show where J Brockwell may publish in the future.

Co-authorship network of co-authors of J Brockwell

This figure shows the co-authorship network connecting the top 25 collaborators of J Brockwell. A scholar is included among the top collaborators of J Brockwell 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 J Brockwell. J Brockwell 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

Reed, K. F. M., et al.. (2015). Boron deficiency in pasture based on subterranean clover (Trifolium subterraneum L.) is linked to symbiotic malfunction. Crop and Pasture Science. 66(11). 1197–1212. 5 indexed citations

Forrester, David I., et al.. (2007). Productivity of three young mixed-species plantations containing N-2-fixing Acacia and non-N2-fixing Eucalyptus and Pinus trees in southeastern Australia. Forest Science. 53(3). 426–434. 18 indexed citations

Bowman, A. M., et al.. (2005). Survey of the productivity, composition and estimated inputs of fixed nitrogen by pastures in central-western New South Wales. Australian Journal of Experimental Agriculture. 44(12). 1165–1175. 16 indexed citations

Evans, C. M., N. A. Fettell, & J Brockwell. (2005). Populations of Sinorhizobium meliloti congregate in the 30–60 cm section of the soil profile in a stand of dryland lucerne (Medicago sativa): is this where lucerne fixes its nitrogen?. Australian Journal of Experimental Agriculture. 45(3). 225–230. 5 indexed citations

Fettell, N. A., et al.. (2005). Liming and choice of pasture species improve rhizobial persistence in an acidic chromosol (red-brown earth). Australian Journal of Experimental Agriculture. 45(3). 247–256. 5 indexed citations

Bowman, A. M., et al.. (2002). Factors affecting nitrogen fixation by dryland lucerne in central-western New South Wales. Australian Journal of Experimental Agriculture. 42(4). 439–451. 20 indexed citations

Brockwell, J. (2001). Sinorhizobium meliloti in Australian soils: population studies of the root-nodule bacteria for species of Medicago in soils of the Eyre Peninsula, South Australia. Australian Journal of Experimental Agriculture. 41(6). 753–762. 14 indexed citations

Brockwell, J, et al.. (1991). Soil pH is a major determinant of the numbers of naturally occurring Rhizobium meliloti in non-cultivated soils in central New South Wales [Medicago species].. Australian Journal of Experimental Agriculture. 2 indexed citations

Brockwell, J, et al.. (1991). Soil pH is a major determinant of the numbers of naturally occurring Rhizobium meliloti in non-cultivated soils in central New South Wales. Australian Journal of Experimental Agriculture. 31(2). 211–211. 102 indexed citations

10.

Gault, RR, et al.. (1982). Effects of spray inoculation equipment on the viability of Rhizobium spp. in liquid inoculants for legumes. Australian Journal of Experimental Agriculture and Animal Husbandry. 22(117). 299–309. 13 indexed citations

11.

Brockwell, J. (1981). A strategy for legume nodulation research in developing regions of the Old World. Plant and Soil. 58(1-3). 367–382. 7 indexed citations

12.

Gault, RR & J Brockwell. (1980). Studies of seed pelleting as an aid to legume inoculation. 5. Effects of incorporation of molybdenum compounds in the seed pellet on inoculant survival, seedling nodulation and plant growth of lucerne and subterranean clover. Australian Journal of Experimental Agriculture and Animal Husbandry. 20(102). 63–71. 14 indexed citations

13.

Brockwell, J, et al.. (1977). Nodulation studies on chickpea ( Cicer arietinum ). Australian Journal of Experimental Agriculture and Animal Husbandry. 17(84). 126–134. 87 indexed citations

14.

Brockwell, J, et al.. (1972). Ecological studies of root-nodule bacteria introduced into field environments. 3. Persistence of Rhizobium trifolii in association with white cover at high elevations. Australian Journal of Experimental Agriculture and Animal Husbandry. 12(57). 407–413. 19 indexed citations

15.

Brockwell, J, et al.. (1970). Symbiotic competence of Trifolium subterraneum lines of low oestrogenic isoflavone content. Australian Journal of Experimental Agriculture. 10(46). 555–561. 3 indexed citations

16.

Brockwell, J & R. D. B. Whalley. (1970). Studies on seed pelleting as an aid to legume seed inoculation. 2. Survival of Rhizobium meliloti applied to medic seed sown into dry soil. Australian Journal of Experimental Agriculture and Animal Husbandry. 10(45). 455–459. 15 indexed citations

17.

Brockwell, J, et al.. (1970). Studies on seed pelleting as an aid to legume seed inoculation. 3. Survival of Rhizobium applied to seed sown into hot, dry soil. Australian Journal of Experimental Agriculture and Animal Husbandry. 10(47). 739–744. 11 indexed citations

18.

Brockwell, J, et al.. (1966). Some symbiotic characteristics of rhizobia responsible for spontaneous, effective field nodulation of Lotus hispidus. Australian Journal of Experimental Agriculture and Animal Husbandry. 6(23). 365–370. 30 indexed citations

19.

Brockwell, J. (1965). The presence of Rhizobium meliloti on pods of Medicago tribuloides. Australian Journal of Experimental Agriculture and Animal Husbandry. 5(17). 141–143. 1 indexed citations

20.

Brockwell, J, et al.. (1960). The Symbiotic Synthesis of Auxin by Legumes and Nodule Bacteria and its Eole in Nodule Development. Australian Journal of Biological Sciences. 13(4). 456–467. 72 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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