Modelling two-dimensional steady-state groundwater flow and flow sensitivity to boundary conditions in blanket peat complexesLAPEN, D. R; PRICE, J. S; GILBERT, R et al.Hydrological processes. 2005, Vol 19, Num 2, pp 371-386, issn 0885-6087, 16 p.Article

Pharmaceutical and personal care products in groundwater, subsurface drainage, soil, and wheat grain, following a high single application of municipal biosolids to a fieldGOTTSCHALL, N; TOPP, E; METCALFE, C et al.Chemosphere (Oxford). 2012, Vol 87, Num 2, pp 194-203, issn 0045-6535, 10 p.Article

Slurry-application implement tine modification of soil hydraulic properties under different soil water content conditions for silt-clay loam soilsTURPIN, K. M; LAPEN, D. R; ROBIN, M. J. L et al.Soil & tillage research. 2007, Vol 95, Num 1-2, pp 120-132, issn 0167-1987, 13 p.Article

Pharmaceutical and personal care products in tile drainage following land application of municipal biosolidsLAPEN, D. R; TOPP, E; METCALFE, C. D et al.Science of the total environment. 2008, Vol 399, Num 1-3, pp 50-65, issn 0048-9697, 16 p.Article

USING MACRO TO SIMULATE LIQUID SEWAGE BIOSOLID TRANSPORT TO TILE DRAINS FOR SEVERAL LAND APPLICATION METHODSAKHAND, N; LAPEN, D. R; TOPP, E et al.Transactions of the ASABE. 2008, Vol 51, Num 4, pp 1235-1245, 11 p.Article

Tine-influenced infiltration patterns and informing timing of liquid amendment applications using brilliant blue dye tracersTURPIN, K. M; LAPEN, D. R; TOPP, E et al.Biosystems engineering. 2007, Vol 98, Num 2, pp 235-247, issn 1537-5110, 13 p.Article

Stochastic simulation of soil strength/compaction and assessment of corn yield risk using threshold probability patternsLAPEN, D. R; TOPP, G. C; HAYHOE, H. N et al.Geoderma (Amsterdam). 2001, Vol 104, Num 3-4, pp 325-343, issn 0016-7061Article

Soil and Crop Response to Varying Levels of Compaction, Nitrogen Fertilization, and Clay ContentGREGORICH, E. G; LAPEN, D. R; MA, B. L et al.Soil Science Society of America journal. 2011, Vol 75, Num 4, pp 1483-1492, issn 0361-5995, 10 p.Article

Associations among pathogenic bacteria, parasites, and environmental and land use factors in multiple mixed-use watershedsWILKES, G; EDGE, T. A; LAPEN, D. R et al.Water research (Oxford). 2011, Vol 45, Num 18, pp 5807-5825, issn 0043-1354, 19 p.Article

Combination cone penetration resistance/water content instrumentation to evaluate cone penetration-water content relationships in tillage researchLAPEN, D. R; TOPP, G. C; EDWARDS, M. E et al.Soil & tillage research. 2004, Vol 79, Num 1, pp 51-62, issn 0167-1987, 12 p.Conference Paper

Divisive field-scale associations between corn yields, management, and soil informationLAPEN, D. R; TOPP, G. C; GREGORICH, E. G et al.Soil & tillage research. 2001, Vol 58, Num 3-4, pp 193-206, issn 0167-1987Article

Measuring and modeling the effects of drainage water management on soil greenhouse gas fluxes from corn and soybean fieldsNANGIA, V; SUNOHARA, M. D; TOPP, E et al.Journal of environmental management. 2013, Vol 129, pp 652-664, issn 0301-4797, 13 p.Article

NITROGEN, PHOSPHORUS, AND BACTERIA REMOVAL IN LABORATORY-SCALE WOODCHIP BIOREACTORS AMENDED WITH DRINKING WATER TREATMENT RESIDUALSZOSKI, E. D; LAPEN, D. R; GOTTSCHALL, N et al.Transactions of the ASABE (Print). 2013, Vol 56, Num 4, pp 1339-1347, issn 2151-0032, 9 p.Article

Distribution of selected virulence genes and antibiotic resistance in Enterococcus species isolated from the South Nation River drainage basin, Ontario, CanadaLANTHIER, M; SCOTT, A; ZHANG, Y et al.Journal of applied microbiology (Print). 2011, Vol 110, Num 2, pp 407-421, issn 1364-5072, 15 p.Article

Pharmaceutical and personal care products in tile drainage following surface spreading and injection of dewatered municipal biosolids to an agricultural fieldEDWARDS, M; TOPP, E; LAPEN, D. R et al.Science of the total environment. 2009, Vol 407, Num 14, pp 4220-4230, issn 0048-9697, 11 p.Article

Livestock waste treatment systems for reducing environmental exposure to hazardous enteric pathogens: Some considerationsTOPP, E; SCOTT, A; LAPEN, D. R et al.Bioresource technology. 2009, Vol 100, Num 22, pp 5395-5398, issn 0960-8524, 4 p.Conference Paper

A heuristic model to predict earthworm biomass in agroecosystems based on selected management and soil propertiesOUELLET, G; LAPEN, D. R; TOPP, E et al.Agriculture,ecosystems & environment. Applied soil ecology. 2008, Vol 39, Num 1, pp 35-45, issn 0929-1393, 11 p.Article