| New annual and short-lived perennial pasture legumes for Australian agriculture—15 years of revolution PGH Nichols, A Loi, BJ Nutt, PM Evans, AD Craig, BC Pengelly, BS Dear, ... Field crops research 104 (1-3), 10-23, 2007 | 264 | 2007 |
| Temperate pasture legumes in Australia—their history, current use, and future prospects PGH Nichols, CK Revell, AW Humphries, JH Howie, EJ Hall, GA Sandral, ... Crop and Pasture Science 63 (9), 691-725, 2012 | 205 | 2012 |
| Corrigendum to: The potential for developing fodder plants for the salt-affected areas of southern and eastern Australia: an overview ME Rogers, AD Craig, RE Munns, TD Colmer, PGH Nichols, CV Malcolm, ... Australian Journal of Experimental Agriculture 46 (12), 1665-1665, 2006 | 156 | 2006 |
| Grasslands in ‘Old World’and ‘New World’Mediterranean‐climate zones: past trends, current status and future research priorities C Porqueddu, S Ates, M Louhaichi, AP Kyriazopoulos, G Moreno, ... Grass and Forage Science 71 (1), 1-35, 2016 | 135 | 2016 |
| Genetic improvement of subterranean clover (Trifolium subterraneum L.). 1. Germplasm, traits and future prospects PGH Nichols, KJ Foster, E Piano, L Pecetti, P Kaur, K Ghamkhar, ... Crop and Pasture Science 64 (4), 312-346, 2013 | 116 | 2013 |
| Salt tolerance and avoidance mechanisms at germination of annual pasture legumes: importance for adaptation to saline environments PGH Nichols, AI Malik, M Stockdale, TD Colmer Plant and Soil 315, 241-255, 2009 | 104 | 2009 |
| Production and persistence of annual pasture legumes at five saline sites in southern Australia PGH Nichols, AD Craig, ME Rogers, TO Albertsen, SM Miller, ... Australian Journal of Experimental Agriculture 48 (4), 518-535, 2008 | 61 | 2008 |
| Registered cultivars of subterranean clover: their characteristics, origin and identification PGH Nichols, MJ Barbetti, WJ Collins Western Australian Department of Agriculture, 1996 | 51 | 1996 |
| Salinity and waterlogging tolerance amongst accessions of messina (Melilotus siculus) ME Rogers, TD Colmer, PGH Nichols, SJ Hughes, K Frost, D Cornwall, ... Crop and Pasture Science 62 (3), 225-235, 2011 | 47 | 2011 |
| Genetic improvement of subterranean clover (Trifolium subterraneum L.). 2. Breeding for disease and pest resistance PGH Nichols, RAC Jones, TJ Ridsdill-Smith, MJ Barbetti Crop and Pasture Science 65 (11), 1207-1229, 2014 | 43 | 2014 |
| Draft genome sequence of subterranean clover, a reference for genus Trifolium H Hirakawa, P Kaur, K Shirasawa, P Nichols, S Nagano, R Appels, ... Scientific Reports 6 (1), 30358, 2016 | 42 | 2016 |
| An advanced reference genome of Trifolium subterraneum L. reveals genes related to agronomic performance P Kaur, PE Bayer, Z Milec, J Vrána, Y Yuan, R Appels, D Edwards, ... Plant Biotechnology Journal 15 (8), 1034-1046, 2017 | 41 | 2017 |
| High variation in the percentage of root length colonised by arbuscular mycorrhizal fungi among 139 lines representing the species subterranean clover (Trifolium subterraneum) MH Ryan, DR Kidd, GA Sandral, Z Yang, H Lambers, RA Culvenor, ... Applied Soil Ecology 98, 221-232, 2016 | 39 | 2016 |
| Hotspots and gaps in the world collection of subterranean clover (Trifolium subterraneum L.) K Ghamkhar, PGH Nichols, W Erskine, R Snowball, M Murillo, R Appels, ... The Journal of Agricultural Science 153 (6), 1069-1083, 2015 | 39 | 2015 |
| Evolution over 16 years in a bulk-hybrid population of subterranean clover (Trifolium subterraneum L.) at two contrasting sites in south-western Australia PGH Nichols, PS Cocks, CM Francis Euphytica 169, 31-48, 2009 | 38 | 2009 |
| New sources of resistance identified in Trifolium subterraneum breeding lines and cultivars to root rot caused by Fusarium avenaceum and Pythium irregulare and … MP You, MJ Barbett, PGH Nichols Australasian Plant Pathology 34, 237-244, 2005 | 38 | 2005 |
| Effect of Phoma medicaginis and Leptosphaerulina trifolii on herbage and seed yield and coumestrol content of annual Medicago species PGH Barbetti, MJ and Nichols Phytophylactica 23 (3), 223-228, 1991 | 34 | 1991 |
| In vitro-assisted single-seed descent for breeding-cycle compression in subterranean clover (Trifolium subterraneum L.) M Pazos-Navarro, M Castello, RG Bennett, P Nichols, J Croser Crop and Pasture Science 68 (11), 958-966, 2017 | 33 | 2017 |
| New strains of rhizobia that nodulate regenerating messina (Melilotus siculus) plants in saline soils AL Bonython, RA Ballard, N Charman, PGH Nichols, AD Craig Crop and Pasture Science 62 (5), 427-436, 2011 | 30 | 2011 |
| Production and persistence of temperate perennial grasses and legumes at five saline sites in southern Australia PGH Nichols, ME Rogers, AD Craig, TO Albertsen, SM Miller, ... Australian Journal of Experimental Agriculture 48 (4), 536-552, 2008 | 30 | 2008 |
