P. R. Warman

3.9k total citations · 1 hit paper
84 papers, 3.1k citations indexed

About

P. R. Warman is a scholar working on Soil Science, Plant Science and Environmental Chemistry. According to data from OpenAlex, P. R. Warman has authored 84 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 43 papers in Soil Science, 30 papers in Plant Science and 24 papers in Environmental Chemistry. Recurrent topics in P. R. Warman's work include Soil Carbon and Nitrogen Dynamics (24 papers), Soil and Water Nutrient Dynamics (16 papers) and Composting and Vermicomposting Techniques (16 papers). P. R. Warman is often cited by papers focused on Soil Carbon and Nitrogen Dynamics (24 papers), Soil and Water Nutrient Dynamics (16 papers) and Composting and Vermicomposting Techniques (16 papers). P. R. Warman collaborates with scholars based in Canada, Bangladesh and United States. P. R. Warman's co-authors include Sina M. Adl, Justin S. J. Hargreaves, Valtcho D. Zheljazkov, M.S. Mkhabela, J. M. Cooper, Derek H. Lynch, R. P. Voroney, H. K. Pant, Leonard J. Eaton and R. L. Thomas and has published in prestigious journals such as The Science of The Total Environment, Bioresource Technology and Environmental Pollution.

In The Last Decade

P. R. Warman

83 papers receiving 2.8k 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.

A review of the use of composted municipal solid waste in agriculture

2007 695 citations P. R. Warman et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
P. R. Warman Canada	28	1.6k	1.2k	729	589	411	84	3.1k
N. V. Hue United States	30	1.8k 1.1×	1.7k 1.5×	563 0.8×	555 0.9×	731 1.8×	118	3.8k
F. Eivazi United States	15	1.8k 1.2×	1.1k 0.9×	273 0.4×	641 1.1×	445 1.1×	31	3.0k
Emilio Benítez Spain	26	1.5k 1.0×	761 0.7×	583 0.8×	555 0.9×	182 0.4×	70	2.5k
Danilo Rheinheimer dos Santos Brazil	39	2.6k 1.6×	1.5k 1.3×	511 0.7×	626 1.1×	799 1.9×	188	4.2k
J. M. Estavillo Spain	32	1.8k 1.2×	1.4k 1.2×	424 0.6×	605 1.0×	843 2.1×	67	3.6k
Margarita Ros Spain	31	1.6k 1.0×	1.6k 1.3×	392 0.5×	682 1.2×	282 0.7×	101	3.5k
Carlos Alberto Ceretta Brazil	35	1.8k 1.1×	2.0k 1.8×	366 0.5×	666 1.1×	429 1.0×	148	3.4k
Manuel Tejada Spain	38	2.4k 1.5×	1.9k 1.6×	440 0.6×	1.0k 1.8×	342 0.8×	103	4.4k
Giovanni Gigliotti Italy	35	1.6k 1.0×	794 0.7×	1.1k 1.5×	1.0k 1.7×	257 0.6×	96	3.6k
Sharon K. Papiernik United States	30	885 0.6×	1.4k 1.2×	294 0.4×	798 1.4×	315 0.8×	101	3.3k

Countries citing papers authored by P. R. Warman

Since Specialization

Citations

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

Fields of papers citing papers by P. R. Warman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. R. Warman. 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 P. R. Warman. The network helps show where P. R. Warman may publish in the future.

Co-authorship network of co-authors of P. R. Warman

This figure shows the co-authorship network connecting the top 25 collaborators of P. R. Warman. A scholar is included among the top collaborators of P. R. Warman 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 P. R. Warman. P. R. Warman 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

Hammermeister, Andrew M., et al.. (2010). Nitrogen Availability in an Organic Potato Crop Following 3-Year Transition under Contrasting Farming Systems. Journal of Sustainable Agriculture. 34(8). 821–835. 4 indexed citations

Warman, P. R., et al.. (2010). The effects of high metal concentrations in soil-compost mixtures on soil enzymes. Journal of Environmental Science and Health Part B. 45(7). 633–638. 7 indexed citations

Warman, P. R., et al.. (2010). Vermicompost derived from different feedstocks as a plant growth medium. Bioresource Technology. 101(12). 4479–4483. 73 indexed citations

Kashem, Md. Abul & P. R. Warman. (2009). Effect of High‐Molybdenum Compost on Soils and the Growth of Lettuce and Barley. Communications in Soil Science and Plant Analysis. 40(13-14). 2225–2233. 5 indexed citations

Zheljazkov, Valtcho D. & P. R. Warman. (2004). Phytoavailability and fractionation of copper, manganese, and zinc in soil following application of two composts to four crops. Environmental Pollution. 131(2). 187–195. 114 indexed citations

Warman, P. R., et al.. (2004). Evaluation of sewage sludge, septic waste and sludge compost applications to corn and forage: yields and N, P and K content of crops and soils. Bioresource Technology. 96(8). 955–961. 142 indexed citations

Ring, Richard A., P. R. Warman, Glenn W. Stratton, & Leonard J. Eaton. (2004). Determining Available Soil Phosphorus in Nova Scotia Blueberry Soils. Communications in Soil Science and Plant Analysis. 35(17-18). 2449–2463. 14 indexed citations

Warman, P. R., et al.. (2004). Evaluation of sewage sludge, septic waste and sludge compost applications to corn and forage: Ca, Mg, S, Fe, Mn, Cu, Zn and B content of crops and soils. Bioresource Technology. 96(9). 1029–1038. 55 indexed citations

Zheljazkov, Valtcho D. & P. R. Warman. (2003). Application of high Cu compost to Swiss chard and basil. The Science of The Total Environment. 302(1-3). 13–26. 72 indexed citations

10.

Zheljazkov, Valtcho D. & P. R. Warman. (2002). Comparison of Three Digestion Methods For the Recovery of 17 Plant Essential Nutrients And Trace Elements from Six Composts. Compost Science & Utilization. 10(3). 197–203. 56 indexed citations

11.

Warman, P. R., et al.. (2000). Field testing a Lime Requirement Test for Atlantic Canada, and effect of Soil pH on nutrient uptake. Communications in Soil Science and Plant Analysis. 31. 2163–2169. 5 indexed citations

12.

Warman, P. R. & J. M. Cooper. (2000). Fertilization of a mixed forage crop with fresh and composted chicken manure and NPK fertilizer: Effects on dry matter yield and soil and tissue N, P and K. Canadian Journal of Soil Science. 80(2). 337–344. 22 indexed citations

13.

Warman, P. R., et al.. (1996). Yield, Vitamin and Mineral Content of Four Vegetables Grown with Either Composted Manure or Conventional Fertilizer. 2(1). 13–25. 24 indexed citations

14.

Warman, P. R., et al.. (1992). Labile ester sulphate in organic matter extracted from podzolic soils. Biology and Fertility of Soils. 14(4). 267–271. 8 indexed citations

15.

Warman, P. R., et al.. (1992). Enzymatic hydrolysis of ester sulphate in soil organic matter extracts. Biology and Fertility of Soils. 14(2). 112–115. 11 indexed citations

16.

Warman, P. R., et al.. (1990). Amino acid composition of soil peptides chromatographed by high performance liquid chromatography on C18 and C8 columns. Biology and Fertility of Soils. 10(3). 213–217. 4 indexed citations

17.

Warman, P. R.. (1990). Effects of Animal Manures and Clover Intercrops on Barley and Corn Yields, and on Tissue and Soil Copper, Manganese and Zinc. Biological Agriculture & Horticulture. 6(4). 313–324. 3 indexed citations

18.

Warman, P. R., et al.. (1989). Evidence of peptides in low-molecular-weight fractions of soil organic matter. Biology and Fertility of Soils. 8(1). 10 indexed citations

19.

Warman, P. R.. (1987). The effects of pruning, fertilizers, and organic amendments on lowbush blueberry production. Plant and Soil. 101(1). 67–72. 31 indexed citations

20.

Warman, P. R.. (1980). The Effect of Amprolium and Aureomycin on the Nitrification of Poultry Manure‐Amended Soil. Soil Science Society of America Journal. 44(6). 1333–1334. 19 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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