M. J. Hedley

13.3k total citations · 2 hit papers
185 papers, 10.4k citations indexed

About

M. J. Hedley is a scholar working on Soil Science, Environmental Chemistry and Industrial and Manufacturing Engineering. According to data from OpenAlex, M. J. Hedley has authored 185 papers receiving a total of 10.4k indexed citations (citations by other indexed papers that have themselves been cited), including 83 papers in Soil Science, 75 papers in Environmental Chemistry and 48 papers in Industrial and Manufacturing Engineering. Recurrent topics in M. J. Hedley's work include Soil and Water Nutrient Dynamics (71 papers), Soil Carbon and Nitrogen Dynamics (71 papers) and Phosphorus and nutrient management (41 papers). M. J. Hedley is often cited by papers focused on Soil and Water Nutrient Dynamics (71 papers), Soil Carbon and Nitrogen Dynamics (71 papers) and Phosphorus and nutrient management (41 papers). M. J. Hedley collaborates with scholars based in New Zealand, United Kingdom and Indonesia. M. J. Hedley's co-authors include John Stewart, Bhagirath Singh Chauhan, Nanthi Bolan, Marta Camps Arbestain, P. Loganathan, P. H. Nye, H. M. S. K. Herath, Robert E. White, Tao Wang and Surinder Saggar and has published in prestigious journals such as PLoS ONE, Bioresource Technology and New Phytologist.

In The Last Decade

M. J. Hedley

183 papers receiving 9.8k 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.

Changes in Inorganic and Organic Soil Phosphorus Fractions Induced by Cultivation Practices and by Laboratory Incubations

1982 2.3k citations M. J. Hedley et al. profile →
Effect of biochar on soil physical properties in two contrasting soils: An Alfisol and an Andisol

2013 546 citations M. J. Hedley et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
M. J. Hedley	5.2k	3.5k	2.6k	2.4k	1.3k	185	10.4k
J. K. Syers	4.2k 0.8×	4.2k 1.2×	1.7k 0.7×	2.2k 0.9×	1.4k 1.1×	196	10.2k
Timothy J. Clough	5.5k 1.0×	3.4k 1.0×	1.5k 0.6×	1.0k 0.4×	2.2k 1.7×	217	9.0k
Warren A. Dick	4.9k 0.9×	2.4k 0.7×	2.6k 1.0×	1.1k 0.4×	1.6k 1.2×	220	11.4k
Richard H. Loeppert	3.6k 0.7×	5.0k 1.4×	2.9k 1.1×	987 0.4×	1.4k 1.1×	86	13.0k
Xiaoyuan Yan	6.4k 1.2×	3.8k 1.1×	3.3k 1.3×	1.1k 0.5×	2.5k 2.0×	189	13.6k
K. Y. Chan	6.5k 1.2×	1.2k 0.4×	2.0k 0.8×	1.0k 0.4×	1.1k 0.9×	104	9.7k
Leo M. Condron	9.7k 1.9×	6.2k 1.8×	4.6k 1.7×	3.1k 1.3×	3.4k 2.6×	309	16.4k
J. T. Sims	4.0k 0.8×	5.9k 1.7×	1.5k 0.6×	3.1k 1.3×	775 0.6×	120	9.1k
James A. Ippolito	3.6k 0.7×	1.4k 0.4×	1.6k 0.6×	1.6k 0.7×	657 0.5×	194	8.4k
Roland Bol	8.4k 1.6×	4.1k 1.2×	3.1k 1.2×	1.4k 0.6×	4.9k 3.8×	413	15.7k

Countries citing papers authored by M. J. Hedley

Since Specialization

Citations

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

Fields of papers citing papers by M. J. Hedley

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of M. J. Hedley

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

Hedley, M. J., et al.. (2020). Effect of a late summer diet change from pasture to brassica crop and silages on dairy cow milk production and urinary nitrogen excretion. New Zealand Journal of Agricultural Research. 64(1). 36–55. 3 indexed citations

McDowell, R. W., et al.. (2019). Why are median phosphorus concentrations improving in New Zealand streams and rivers?. Journal of the Royal Society of New Zealand. 49(2). 143–170. 24 indexed citations

Hedley, M. J., et al.. (2018). Duration‐controlled grazing of dairy cows. 1: Impacts on pasture growth, cow intakes and nutrient transfer. New Zealand Journal of Agricultural Research. 62(1). 23–47. 4 indexed citations

Smith, L. C., et al.. (2016). Effects of applying dairy wintering barn manure of differing C:N ratios directly to pasture on N mineralisation and forage growth. New Zealand Journal of Agricultural Research. 59(3). 324–331. 3 indexed citations

Scotter, DR, et al.. (2010). Towards an improved understanding of the soil water balance of sloping land under pasture. New Zealand Journal of Agricultural Research. 53(2). 175–185. 5 indexed citations

Hedley, M. J., et al.. (2010). The effect of biochars on maize ( Zea mays ) germination. New Zealand Journal of Agricultural Research. 53(1). 1–4. 73 indexed citations

Hedley, C., Bambang Hari Kusumo, M. J. Hedley, M. P. Tuohy, & M.F. Hawke. (2009). Soil C and N sequestration and fertility development under land recently converted from plantation forest to pastoral farming. New Zealand Journal of Agricultural Research. 52(4). 443–453. 15 indexed citations

Collins, Rob, Malcolm McLeod, M. J. Hedley, et al.. (2007). Best management practices to mitigate faecal contamination by livestock of New Zealand waters. New Zealand Journal of Agricultural Research. 50(2). 267–278. 63 indexed citations

Monaghan, R. M., M. J. Hedley, Hong J. Di, et al.. (2007). Nutrient management in New Zealand pastures— recent developments and future issues. New Zealand Journal of Agricultural Research. 50(2). 181–201. 128 indexed citations

10.

Houlbrooke, D. J., David J. Horne, M. J. Hedley, J. A. Hanly, & Val Snow. (2004). A review of literature on the land treatment of farm‐dairy effluent in New Zealand and its impact on water quality. New Zealand Journal of Agricultural Research. 47(4). 499–511. 71 indexed citations

11.

Houlbrooke, D. J., D. J. Horne, M. J. Hedley, & J. A. Hanly. (2004). The performance of travelling effluent irrigators: Assessment, modification, and implications for nutrient loss in drainage water. New Zealand Journal of Agricultural Research. 47(4). 587–596. 7 indexed citations

12.

Cronin, Shane J., V. Manoharan, M. J. Hedley, & P. Loganathan. (2000). Fluoride: A review of its fate, bioavailability, and risks of fluorosis in grazed‐pasture systems in New Zealand. New Zealand Journal of Agricultural Research. 43(3). 295–321. 184 indexed citations

13.

Moir, James L., D. R. Scotter, M. J. Hedley, & A. D. Mackay. (2000). A climate‐driven, soil fertility dependent, pasture production model. New Zealand Journal of Agricultural Research. 43(4). 491–500. 42 indexed citations

14.

Robinson, Brett, Robert R. Brooks, & M. J. Hedley. (1999). Cobalt and nickel accumulation in Nyssa (tupelo) species and its significance for New Zealand agriculture. New Zealand Journal of Agricultural Research. 42(3). 235–240. 9 indexed citations

15.

Loganathan, P., et al.. (1999). A model to predict kidney and liver cadmium concentrations in grazing animals. New Zealand Journal of Agricultural Research. 42(4). 423–432. 15 indexed citations

16.

Wang, Hailong, M. J. Hedley, & Nanthi Bolan. (1995). Chemical properties of fluidised bed boiler ash relevant to its use as a liming material and fertiliser. New Zealand Journal of Agricultural Research. 38(2). 249–256. 7 indexed citations

17.

Sakadevan, Karuppan, M. J. Hedley, & A. D. Mackay. (1993). Mineralisation and fate of soil sulphur and nitrogen in hill pastures. New Zealand Journal of Agricultural Research. 36(2). 271–281. 21 indexed citations

18.

Williams, P. H., P. E. H. Gregg, & M. J. Hedley. (1990). Use of potassium bromide solutions to simulate dairy cow urine flow and retention in pasture soils. New Zealand Journal of Agricultural Research. 33(3). 489–495. 28 indexed citations

19.

Williams, P. H., P. E. H. Gregg, & M. J. Hedley. (1990). Mass balance modelling of potassium losses from grazed dairy pasture. New Zealand Journal of Agricultural Research. 33(4). 661–668. 13 indexed citations

20.

Williams, P. H., P. E. H. Gregg, & M. J. Hedley. (1990). Fate of potassium in dairy cow urine applied to intact soil cores. New Zealand Journal of Agricultural Research. 33(1). 151–158. 20 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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