Rich McDowell

Publications

• Direct exports of phosphorus from fertilizers applied to grazed pastures
• The biotic contribution to the benthic stream sediment phosphorus buffer
• The mitigation of phosphorus losses from a water-repellent soil used for grazed dairy farming
• The Ability to Reduce Soil Legacy Phosphorus at a Country Scale
• Evidence for the leaching of dissolved organic phosphorus to depth
• Likely controls on dissolved reactive phosphorus concentrations in baseflow of an agricultural stream
• Dynamics of phosphorus exchange between sediment and water in a gravel-bed river
• Role of organic anions and phosphatase enzymes in phosphorus acquisition in the rhizospheres of legumes and grasses grown in a low phosphorus pasture soil
• Total soil cadmium concentrations in the Winchmore long-term phosphorus fertiliser trial are still increasing
• Changes in soil cadmium concentrations with time following cessation of phosphorus fertilizer inputs
• A global perspective on phosphorus management decision support in agriculture: Lessons learned and future directions
• Phosphorus transport in subsurface flow from a stony soil under irrigated and non-irrigated lucerne
• Long-term atmospheric carbon dioxide enrichment decreases soil phosphorus availability in a grazed temperate pasture
• Global mapping of freshwater nutrient enrichment and periphyton growth potential
• Transforming soil phosphorus fertility management strategies to support the delivery of multiple ecosystem services from agricultural systems
• A strategy for optimizing catchment management actions to stressor–response relationships in freshwaters
• The land use suitability concept: Introduction and an application of the concept to inform sustainable productivity within environmental constraints
• Development of a model using matter element, AHP and GIS techniques to assess the suitability of land for agriculture
• Impacts of long-term plant biomass management on soil phosphorus under temperate grassland
• The Environmental Impact of Fertiliser Nutrients on Freshwater
• Implications of water quality policy on land use: A case study of the approach in New Zealand
• Estimating and modelling the risk of redox-sensitive phosphorus loss from saturated soils using different soil tests
• Global database of diffuse riverine nitrogen and phosphorus loads and yields
• Managing Diffuse Phosphorus at the Source versus at the Sink
• Temperature and nitrogen effects on phosphorus uptake by agricultural stream-bed sediments
• Why are median phosphorus concentrations improving in New Zealand streams and rivers?
• The potential for potassium chloride fertiliser applications to leach cadmium from a grazed pasture soil
• Does variable rate irrigation decrease nutrient leaching losses from grazed dairy farming?
• Estimation of Catchment Nutrient Loads in New Zealand Using Monthly Water Quality Monitoring Data
• Quantifying the Extent of Anthropogenic Eutrophication of Lakes at a National Scale in New Zealand
• The error in stream sediment phosphorus fractionation and sorption properties effected by drying pretreatments
• Anthropogenic increases of catchment nitrogen and phosphorus loads in New Zealand
• Transforming phosphorus use on the island of Ireland: A model for a sustainable system
• The efficacy of good practice to prevent long-term leaching losses of phosphorus from an irrigated dairy farm
• Balancing water-quality threats from nutrients and production in Australian and New Zealand dairy farms under low profit margins
• Effects of lime and organic amendments derived from varied source materials on cadmium uptake by potato
• A review of regulations and guidelines related to winter manure application
• Assessing the yield and load of contaminants with stream order: Would policy requiring livestock to be fenced out of high-order streams decrease catchment contaminant loads?
• The influence of a flood event on the potential sediment control of baseflow phosphorus concentrations in an intensive agricultural catchment
• Integration of ANP and Fuzzy set techniques for land suitability assessment based on remote sensing and GIS for irrigated maize cultivation
• Seventy years of data from the world’s longest grazed and irrigated pasture trials
• National-scale implementation of mandatory freshwater farm plans: a mechanism to deliver water quality improvement in productive catchments in New Zealand?
• The impact of cattle grazing and treading on soil properties and the transport of phosphorus, sediment and E. coli in surface runoff from grazed pasture
• Plant Species Rather than Elevated Atmospheric CO2 Impact Rhizosphere Properties and Phosphorus Fractions in a Phosphorus-Deficient Soil
• Reflecting on the journey of environmental farm planning in New Zealand
• Microbiome innovations for a sustainable future
• Land use and water quality
• Quantifying contaminant losses to water from pastoral landuses in New Zealand II. The effects of some farm mitigation actions over the past two decades
• Quantifying contaminant losses to water from pastoral land uses in New Zealand III. What could be achieved by 2035?
• Sediment phosphorus buffering in streams at baseflow: A meta-analysis
• Minimising phosphorus losses from the soil matrix
• Bayesian network for point and diffuse source phosphorus transfer from dairy pastures in South Otago, New Zealand
• Is tillage an effective method to decrease phosphorus loss from phosphorus enriched pastoral soils?
• A review of the cost-effectiveness and suitability of mitigation strategies to prevent phosphorus loss from dairy farms in New Zealand and Australia
• Potential phosphorus losses from organic and podzol soils: Prediction and the influence of soil physico-chemical properties and management
• Optimizing land use for the delivery of catchment ecosystem services
• Manipulation of fertiliser regimes in phosphorus enriched soils can reduce phosphorus loss to leachate through an increase in pasture and microbial biomass production
• Using organic phosphorus to sustain pasture productivity: A perspective
• The effect of irrigation and urine application on phosphorus losses to subsurface flow from a stony soil
• The effect of soil moisture extremes on the pathways and forms of phosphorus lost in runoff from two contrasting soil types
• Chemistry, cycling, and potential movement of inorganic phosphorus in soils
• Cadmium accumulation by forage species used in New Zealand livestock grazing systems
• Nitrate and phosphorus leaching in New Zealand: A national perspective
• Transport of phosphorus in an alluvial gravel aquifer
• Global change pressures on soils from land use and management
• Managing pollutant inputs from pastoral dairy farming to maintain water quality of a lake in a high-rainfall catchment
• Contrasting the spatial management of nitrogen and phosphorus for improved water quality: Modelling studies in New Zealand and France
• Cadmium losses from a New Zealand organic soil
• Technical note: An assessment of mitagator: A farm-scale tool to estimate and manage the loss of contaminants from land to water
• Assessment, modelling and management of land use and water quality in the upper Taieri River catchment
• Effects of cultivation on soil and soil water under different fertiliser regimes
• The use of alum to decrease phosphorus losses in runoff from grassland soils
• Integrating legacy soil phosphorus into sustainable nutrient management strategies for future food, bioenergy and water security
• Municipal composts reduce the transfer of Cd from soil to vegetables
• Phosphorus dynamics in sediments of a eutrophic lake derived from 31P nuclear magnetic resonance spectroscopy
• Changes in soil phosphorus availability and potential phosphorus loss following cessation of phosphorus fertiliser inputs
• Nutrients and eutrophication: Introduction
• Estimating the mitigation of anthropogenic loss of phosphorus in New Zealand grassland catchments
• Can the application of rare earth elements improve yield and decrease the uptake of cadmium in ryegrass-dominated pastures?
• Phosphorus and the Winchmore trials: Review and lessons learnt
• Selection of a legume to use in a low phosphorus loss pasture
• Variation in environmentally- and agronomically-significant soil phosphorus concentrations with time since stopping the application of phosphorus fertilisers
• A review of the policies and implementation of practices to decrease water quality impairment by phosphorus in New Zealand, the UK, and the US
• Extreme phosphorus losses in drainage from grazed dairy pastures on marginal land
• A cost-effective management practice to decrease phosphorus loss from dairy farms
• Speciation and distribution of organic phosphorus in river sediments: a national survey
• Treatment of pasture topsoil with alum to decrease phosphorus losses in subsurface drainage
• When experts disagree: the need to rethink indicator selection for assessing sustainability of agriculture
• The use of alum to decrease phosphorus loss from dairy farm laneways in southern New Zealand
• Relationship between sediment chemistry, equilibrium phosphorus concentrations, and phosphorus concentrations at baseflow in rivers of the New Zealand National River Water Quality Network
• Using the provenance of sediment and bioavailable phosphorus to help mitigate water quality impact in an agricultural catchment
• Natural background and anthropogenic contributions of cadmium to New Zealand soils
• Establishment of reference or baseline conditions of chemical indicators in New Zealand streams and rivers relative to present conditions
• A National Assessment of the Potential Linkage between Soil, and Surface and Groundwater Concentrations of Phosphorus
• MitAgatorTM: A farm scale tool to estimate and mitigate the loss of contaminants from land to water
• Water: Water Quality and Challenges from Agriculture
• Bibliography of research from the winchmore irrigation research station, canterbury, New Zealand: 1951 to 2011
• Can phosphorus fertilizers sparingly soluble in water decrease phosphorus leaching loss from an acid peat soil?
• Biogeochemical cycles and biodiversity as key drivers of ecosystem services provided by soils
• Guiding phosphorus stewardship for multiple ecosystem services
• Reply
• Water quality and the effects of different pastoral animals
• Assessment of a technique to remove phosphorus from streamflow
• Phosphorus in pasture plants: Potential implications for phosphorus loss in surface runoff
• Modelling to analyse the impacts of animal treading effects on soil infiltration
• Evaluation of two management options to improve the water quality of Lake Brunner, New Zealand
• Organic phosphorus speciation and pedogenesis: Analysis by solution 31P nuclear magnetic resonance spectroscopy
• Land Application of manure can influence earthworm activity and soil phosphorus distribution
• Is mechanical soil aeration a strategy to alleviate soil compaction and decrease phosphorus and suspended sediment losses from irrigated and rain-fed cattle-grazed pastures?
• Irrigation and soil physical quality: An investigation at a long-term irrigation site
• Efficiency of phosphorus cycling in different grassland systems
• Hydrological approaches to the delineation of critical-source areas of runoff
• Potential waterway contamination associated with wintering deer on pastures and forage crops
• Water quality of a stream recently fenced-off from deer
• Erratum: Phosphorus in humped and hollowed soils of the Inchbonnie catchment, West Coast, New Zealand: II. accounting for losses by different pathways (New Zealand Journal of Agricultural Research (2008) 51 (307-316)).
• Preface
• Phosphorus in humped and hollowed soils of the Inchbonnie catchment, West Coast, New Zealand: II. Accounting for losses by different pathways
• Phosphorus in humped and hollowed soils of the Inchbonnie catchment, West Coast, New Zealand: I. Variation with age and distribution
• Environmental impacts of pasture-based farming
• Evaluation of base solutions to determine equilibrium phosphorus concentrations (EPC0) in stream sediments
• The use of safe wallows to improve water quality in deer farmed catchments
• Nutrient management in New Zealand pastures— recent developments and future issues
• The winchmore trials
• A comparison of phosphorus speciation and potential bioavailability in feed and feces of different dairy herds using 31P nuclear magnetic resonance spectroscopy
• State and potential management to improve water quality in an agricultural catchment relative to a natural baseline
• Management options to decrease phosphorus and sediment losses from irrigated cropland grazed by cattle and sheep
• Nitrogen and phosphorus in New Zealand streams and rivers: Control and impact of eutrophication and the influence of land management
• Identifying critical source areas for water quality: 2. Validating the approach for phosphorus and sediment losses in grazed headwater catchments
• Phosphorus fertilizer form affects phosphorus loss to waterways: A paired catchment study
• Potential phosphorus and sediment loads from sources within a dairy farmed catchment
• Identifying and linking source areas of flow and P transport in dairy-grazed headwater catchments, North Island, New Zealand
• Predicting the changes in environmentally and agronomically significant phosphorus forms following the cessation of phosphorus fertilizer applications to grassland
• Do aggregation, treading, and dung deposition affect phosphorus and suspended sediment losses in surface runoff?
• Identifying critical source areas for water quality: 1. Mapping and validating transport areas in three headwater catchments in Otago, New Zealand
• Is cadmium loss in surface runoff significant for soil and surface water quality: A study of flood-irrigated pastures?
• An examination of potential extraction methods to assess plant-available organic phosphorus in soil
• Treatment of drainage water with industrial by-products to prevent phosphorus loss from tile-drained land
• Effects of cattle, sheep and deer grazing on soil physical quality and losses of phosphorus and suspended sediment losses in surface runoff
• Nutrient losses associated with irrigation, intensification and management of land use: A study of large scale irrigation in North Otago, New Zealand
• Influence of aggregate size on phosphorus changes in a soil cultivated intermittently: Analysis by 31P nuclear magnetic resonance
• The rate of accumulation of cadmium and uranium in a long-term grazed pasture: Implications for soil quality
• Managing agricultural phosphorus for water quality protection: Principles for progress
• Soil controls of phosphorus in runoff: Management barriers and opportunities
• Dissolved Organic Matter. Biogeochemistry, Dynamics, and Environmental Significance in Soils.
• The fate of phosphorus under contrasting border-check irrigation regimes
• Effect of land use and moisture on phosphorus forms in upland stream beds in South Otago, New Zealand
• Approaches for quantifying and managing diffuse phosphorus exports at the farm/small catchment scale
• Phosphorus source areas in a dairy catchment in Otago, New Zealand
• Atmospheric deposition contributes little nutrient and sediment to stream flow from an agricultural watershed
• Maintaining good water and soil quality in catchments containing deer farms
• Contaminant losses in overland flow from cattle, deer and sheep dung
• Phosphorus in fresh and dry dung of grazing dairy cattle, deer, and sheep: Sequential fraction and phosphorus-31 nuclear magnetic resonance analyses
• Uptake and release of phosphorus from overland flow in a stream environment
• Sources of phosphorus lost from a grazed pasture receiving simulated rainfall
• Effects of deer grazing and fence-line pacing on water and soil quality
• The effectiveness of industrial by-products to stop phosphorous loss from a Pallic soil
• Variation of phosphorus leached from Pennsylvanian soils amended with manures, composts or inorganic fertilizer
• Influence of long-term irrigation on the distribution and availability of soil phosphorus under permanent pasture
• Phosphorus
• The effects of soil carbon on phosphorus and sediment loss from soil trays by overland flow
• Effect of plot scale and an upslope phosphorus source on phosphorus loss in overland flow
• Particulate phosphorus transport within stream flow of an agricultural catchment
• Erratum: Modeling phosphorous transport in agricultural watersheds: Processes and possibilities (Journal of Soil and Water Conservation 57:6 (425-439))
• Analysis of phosphorus in sequentially extracted grassland soil using solid state NMR
• Analysis of potentially mobile phosphorus in arable soils using solid state nuclear magnetic resonance
• Amounts, forms, and solubility of phosphorus in soils receiving manure
• Modelling phosphorus losses from pastoral farming systems in New Zealand
• Selecting curve numbers for predicting storm flow in Otago catchments
• Estimating phosphorus loss from New Zealand grassland soils
• Soil phosphorus concentrations to minimise potential p loss to surface waters in Southland
• Potential phosphorus losses in overland flow from pastoral soils receiving long-term applications of either superphosphate or reactive phosphate rock
• Using soil phosphorus profile data to assess phosphorus leaching potential in manured soils
• Phosphorus and sediment loss in a catchment with winter forage grazing of cropland by dairy cattle
• Soil aggregate dynamics, particulate organic matter and phosphate under dryland and irrigated pasture
• Availability of residual phosphorus in high phosphorus soils
• Chemical nature and diversity of phosphorus in New Zealand pasture soils using 31P nuclear magnetic resonance spectroscopy and sequential fractionation
• Effects of shelter belts on fence-line pacing of deer and associated impacts on water and soil quality
• Comments on "amounts, forms, and solubility of phosphorus in soils receiving manure"
• Nutrient, sediment, and bacterial losses in overland flow from pasture and cropping soils following cattle dung deposition
• Phosphorus movement and speciation in a sandy soil profile after long-term animal manure applications
• Peak assignments for phosphorus-31 nuclear magnetic resonance spectroscopy in pH range 5-13 and their application in environmental samples
• Restricting the grazing time of cattle to decrease phosphorus, sediment and E. coli losses in overland low from cropland
• Connecting phosphorus loss from agricultural landscapes to surface water quality
• Sediment phosphorous chemistry and microbial biomass along a lowland New Zealand stream
• Modification of phosphorus export from an eastern USA catchment by fluvial sediment and phosphorus inputs
• The effectiveness of coal fly-ash to decrease phosphorus loss from grassland soils
• Sources of sediment and phosphorus in stream flow of a highly productive dairy farmed catchment
• An improved technique for the determination of organic phosphorus in sediments and soils by 31P nuclear magnetic resonance spectroscopy
• The phosphorus composition of contrasting soils in pastoral, native and forest management in Otago, New Zealand: Sequential extraction and 31P NMR
• Solid-state Fourier transform infrared and 31P nuclear magnetic resonance spectral features of phosphate compounds
• Identification of phosphorus species in extracts of soils with contrasting management histories
• Assessing the bioavailability of dissolved organic phosphorus in pasture and cultivated soils treated with different rates of nitrogen fertiliser
• Mechanisms of phosphorus solubilisation in a limed soil as a function of pH
• An examination of spin-lattice relaxation times for analysis of soil and manure extracts by liquid state phosphorus-31 nuclear magnetic resonance spectroscopy
• Phosphorus solubility and release kinetics as a function of soil test P concentration
• Influence of aggregate size on phosphorus loss and ryegrass yield in a soil cultivated intermittently
• Indicator to predict the movement of phosphorus from soil to subsurface flow
• Water quality in headwater catchments with deer wallows
• Cattle treading and phosphorus and sediment loss in overland flow from grazed cropland
• Influence of soil treading on sediment and phosphorus losses in overland flow
• Phosphorus export from an agricultural watershed: Linking source and transport mechanisms
• Influence of soil constituents on soil phosphorus sorption and desorption
• The potential for phosphorus loss in relation to nitrogen fertiliser application and cultivation
• Phosphorus transport in overland flow in response to position of manure application
• Dissipation of imazapyr, flumetsulam and thifensulfuron in soil
• Assessing site vulnerability to phosphorus loss in an agricultural watershed
• Comparing phosphorus management strategies at a watershed scale
• Approximating phosphorus release from soils to surface runoff and subsurface drainage
• Integrating phosphorus and nitrogen decision management at watershed scales
• Modeling phosphorus transport in agricultural watersheds: Processes and possibilities
• A comparison of fluvial sediment phosphorus (P) chemistry in relation to location and potential to influence stream P concentrations
• Chemical nature and potential mobility of phosphorus in fertilized grassland soils
• Innovative management of agricultural phosphorus to protect soil and water resources
• Relationship between soil test phosphorus and phosphorus release to solution
• Phosphorus loss from land to water: Integrating agricultural and environmental management
• Land use and flow regime effects on phosphorus chemical dynamics in the fluvial sediment of the Winooski River, Vermont
• Processes controlling soil phosphorus release to runoff and implications for agricultural management
• Phosphorus losses in subsurface flow before and after manure application to intensively farmed land
• Soil phosphorus quantity-intensity relationships to predict increased soil phosphorus loss to overland and subsurface flow
• Variation of phosphorus loss from a small Catchment in South Devon, UK
• Soil phosphorus fractions in solution: Influence of fertiliser and manure, filtration and method of determination
• The effect of soil acidity on potentially mobile phosphorus in a grassland soil
• The use of isotopic exchange kinetics to assess phosphorus availability in overland flow and subsurface drainage waters
• The effect of antecedent moisture conditions on sediment and phosphorus loss during overland flow: Mahantango Creek catchment, Pennsylvania, USA
• Phosphorus Export from an Agricultural Watershed
• Phosphorus Transport in Overland Flow in Response to Position of Manure Application
• Plant Species Rather than Elevated Atmospheric CO2 Impact Rhizosphere Properties and Phosphorus Fractions in a Phosphorus-Deficient Soil
• A Global Database of Soil Plant Available Phosphorus
• Growing for good: producing a healthy, low greenhouse gas and water quality footprint diet in Aotearoa, New Zealand
• Do soil cadmium concentrations decline after phosphate fertiliser application is stopped: A comparison of long-term pasture trials in New Zealand?
• Developing an indicator of productive potential to assess land use suitability in New Zealand
• Sediment and water-column phosphorus chemistry in streams at baseflow across varying catchment geologies
• Amending soils of different pH to decrease phosphorus losses
• Effects of long-term phosphorus fertilizer inputs and seasonal conditions on organic soil phosphorus cycling under grazed pasture
• Towards implementation of robust monitoring technologies alongside freshwater improvement policy in Aotearoa New Zealand
• A Proposed New Approach to Identify Limiting Factors in Assessing Land Suitability for Sustainable Land Management
• Quantifying contaminant losses to water from pastoral landuses in New Zealand I. Development of a spatial framework for assessing losses at a farm scale
• The potential for phosphorus loss to groundwater from soils irrigated with dairy factory wastewater
• Linking the uptake of best management practices on dairy farms to catchment water quality improvement over a 20-year period
• A new robust hybrid model based on support vector machine and firefly meta-heuristic algorithm to predict pistachio yields and select effective soil variables
• Reference conditions and threshold values for nitrate-nitrogen in New Zealand groundwaters
• Nitrogen fertilization effects on soil phosphorus dynamics under a grass-pasture system
• Potential phosphorus losses from grassland soils irrigated with dairy factory wastewater
• The implications of lag times between nitrate leaching losses and riverine loads for water quality policy
• In recognition of Mike Hedley: fate of fertiliser in soil and mobilisation of recalcitrant nutrients
• Minimizing phosphorus leaching from a sandy clay loam caused by phosphorus fertilizers
• Land-use Suitability is Not an Intrinsic Property of a Land Parcel
• Limiting grazing periods combined with proper housing can reduce nutrient losses from dairy systems
• Assessing the leaching of cadmium in an irrigated and grazed pasture soil
• Viewpoint: Act local, effect global: Integrating farm plans to solve water quality and climate change problems
• Phosphorus and iron-oxide transport from a hydrologically isolated grassland hillslope
• Reductive dissolution of phosphorus associated with iron-oxides during saturation in agricultural soil profiles
• Factors controlling shallow subsurface dissolved reactive phosphorus concentration and loss kinetics from poorly drained saturated grassland soils
• The longevity of cultivation in decreasing the potential for phosphorus loss in runoff
• The longevity of fencing out livestock as a method of decreasing contaminant concentrations in a headwater stream
• Research note: Mitigation of phosphorus, sediment and Escherichia coli losses in runoff from a dairy farm roadway
• AN ASSESSMENT OF MITAGATOR: A FARM-SCALE TOOL TO ESTIMATE AND MANAGE THE LOSS OF CONTAMINANTS FROM LAND TO WATER
• Phosphorus dynamics in sediments of a eutrophic lake derived from 31P nuclear magnetic resonance spectroscopy
• Response to comment on "Natural background and anthropogenic contributions of cadmium to New Zealand soils"
• Opportunities to decrease the water quality impact of spring forage crops on dairy farms
• Effects of cattle treading and soil moisture on phosphorus and sediment losses in surface runoff from pasture
• Efficiency of Phosphorus Cycling in Different Grassland Systems
• Evaluation of base solutions to determine equilibrium phosphorus concentrations (EPC0) in stream sediments
• Potential water quality impact and agronomic effectiveness of different phosphorus fertilisers under grazed dairying in Southland
• Using nitrogen fertiliser to decrease phosphorus loss from high phosphorus soils
• Organic phosphorus speciation and pedogenesis: Analysis by solution 31P nuclear magnetic resonance spectroscopy
• A comparison of phosphorus speciation and potential bioavailability in feed and feces of different dairy herds using 31P nuclear magnetic resonance spectroscopy
• Chemical nature and diversity of phosphorus in New Zealand pasture soils using 31P nuclear magnetic resonance spectroscopy and sequential fractionation
• An improved technique for the determination of organic phosphorus in sediments and soils by 31P nuclear magnetic resonance spectroscopy
• The phosphorus composition of contrasting soils in pastoral, native and forest management in Otago, New Zealand: Sequential extraction and 31P NMR
• Solid-state Fourier transform infrared and 31P nuclear magnetic resonance spectral features of phosphate compounds
• Influence of aggregate size on phosphorus changes in a soil cultivated intermittently: Analysis by 31P nuclear magnetic resonance
• Alternative fertilisers and management to decrease incidental phosphorus loss
• Phosphorus in humped and hollowed soils of the Inchbonnie catchment, West Coast, New Zealand: II. Accounting for losses by different pathways (vol 51, pg 307, 2008)
• Irrigation and soil physical quality: an investigation at a long-term irrigation site
• Comments on "Treatment of Drainage Water with Industrial By-Products to Prevent Phosphorus Loss from Tile-Drained Land," by RW McDowell, AN Sharpley, and W. Bourke in the Journal of Environmental Quality 2008 37:1575-1582 Reply
• ENVIRONMENTAL IMPACTS OF PASTURE-BASED FARMING Preface
• Phosphorus in humped and hollowed soils of the Inchbonnie catchment, West Coast, New Zealand: II. Accounting for losses by different pathways (vol 51, pg 307, 2008)
• The use of isotopic exchange kinetics to assess phosphorous availability in overland flow and subsurface drainage waters (vol 166, pg 365, 2001)
• Modeling phosphorous transport in agricultural watersheds: Processes and possibilities (vol 57, pg 425, 2003)
• Response to "Comments on 'Amounts, forms, and solubility of phosphorus in soils receiving manure'''
• Analysis of phosphorus in sequentially extracted grassland soils using solid state NMR
• Persistence of acetolactate synthase inhibiting herbicides in a Canterbury soil
• PLACENTAL TRANSFER OF 2,3,5-TRIIODOBENZOIC ACID IN RAT
• Significance of analog instrumentation - Design philosophy of replacement Dump Arrest Unit at Pickering Station Candu Reactor
• Significance of analog instrumentation - Design philosophy of replacement Dump Arrest Unit at Pickering station candu reactor
• Comparison of supercritical fluid extraction and solvent extraction of twenty-two organochlorine pesticides from eggs
• FATAL HEMORRHAGE CAUSED BY VARICOSE-VEINS
• DISCUSSION OF LOCK FR
• Random forest, an efficient smart technique for analyzing the influence of soil properties on pistachio yield
• A global dataset on phosphorus in agricultural soils
• Phosphorus applications adjusted to optimal crop yields can help sustain global phosphorus reserves
• Monitoring to detect changes in water quality to meet policy objectives
• Streambank erosion and phosphorus loading to surface waters: Knowns, unknowns, and implications for nutrient loss reduction research and policy
• In the Eye of the Beholder: Measuring and Standardising Light for Laboratory Mammals
• A review of the development and implementation of the critical source area concept: A reflection of Andrew Sharpley's role in improving water quality
• Temporal Changes in Cd Sorption and Plant Bioavailability in Compost-Amended Soils
• Difficulties in using land use pressure and soil quality indicators to predict water quality
• Optimising sampling frequency for change detection of variables in lake monitoring programs
• Impact of green manure crop species on rhizosphere soil phosphorus
• Determining the likelihood and cost of detecting reductions of nitrate-nitrogen concentrations in groundwater across New Zealand
• A method to derive nitrogen transport factors for New Zealand's agricultural lands