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Synchronising phosphorus fertilisation with plant phosphorus demand: a tactic to reduce phosphorus transfer from land to water. Phosphorus loss from intensive pasture systems is a major issue internationally due to the pollution and nutrient enrichment of water ways. This study will examine how a strategy of synchronising phosphorus (P) fertiliser to periods of high P demand in ryegrass (Lolium perenne) may be used to improve the efficiency of P uptake and thereby reduce P losses in surface run ....Synchronising phosphorus fertilisation with plant phosphorus demand: a tactic to reduce phosphorus transfer from land to water. Phosphorus loss from intensive pasture systems is a major issue internationally due to the pollution and nutrient enrichment of water ways. This study will examine how a strategy of synchronising phosphorus (P) fertiliser to periods of high P demand in ryegrass (Lolium perenne) may be used to improve the efficiency of P uptake and thereby reduce P losses in surface runoff. Simple models will be used to identify the key risk factors associated with surface P loss in order to improve the sustainability of P fertiliser use in pasture systems.Read moreRead less
Developing a new approach to aquatic pollutant assessment combining time integrated sampling with toxicity testing. Present approaches for monitoring risk of aquatic pollutants are limited to grab sample analysis for specific pollutants using target values and/or ecotoxicological assessment of population biomarkers. This collaborative research, involving 3 universities and 10 industry partners, aims to develop and evaluate a novel approach combining extraction of pollutants using time integrated ....Developing a new approach to aquatic pollutant assessment combining time integrated sampling with toxicity testing. Present approaches for monitoring risk of aquatic pollutants are limited to grab sample analysis for specific pollutants using target values and/or ecotoxicological assessment of population biomarkers. This collaborative research, involving 3 universities and 10 industry partners, aims to develop and evaluate a novel approach combining extraction of pollutants using time integrated passive samplers and toxicological evaluation of extracts using a range of rapid in-vitro and in-vivo assays. The project will produce cost-effective tools for highly sensitive assessment of pollutant effects and ultimately facilitate intervention guidelines based on mixture toxicity.Read moreRead less