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    The effect of optimum vs deficit irrigation on plant nitrogen uptake and nitrate leaching loss from soil 

    Carlton, Anna; Cameron, Keith C.; Edwards, Grant; Di, Hong J.; Clough, Timothy J. (Fertilizer and Lime Research Centre, Massey University, 2016)
    Nitrate (NO₃⁻) leaching, associated with urine nitrogen (N) deposition during grazing is recognised as a significant environmental problem. In this study it was hypothesised that optimum irrigation could increase plant ...
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    A synergistic mitigation technology for nitrate leaching and nitrous oxide emissions for pastoral agriculture 

    Di, Hong J.; Cameron, Keith C.; Roberts, A. (International Nitrogen Workshop 2012., 2012)
    In grazed grassland, most of the nitrate (NO3-) leaching and nitrous oxide (N2O) emissions come from the animal urine-N returned to the pasture by the animal during outdoor grazing (Di and Cameron, 2002a). The N loading ...
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    The effect of DCD on nitrogen losses from sheep urine patches applied to lysimeters in autumn 

    Moir, James L.; Wild, M. A.; Cameron, Keith C.; Di, Hong J. (New Zealand Grassland Association, 2010)
    The intensification of modern pastoral agriculture has increased the risk of environmental degradation. The use of nitrification inhibitor technology has been shown to reduce nitrate (NO₃ ⁻) leaching losses and nitrous ...
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    Can a winter-sown catch crop reduce nitrate leaching losses after winter forage grazing? 

    Carey, Peter; Cameron, Keith C.; Di, Hong J.; Edwards, Grant; Chapman, D. F. (Fertilizer and Lime Research Centre, 2016)
    Direct grazing of winter forage crops to feed non-lactating, pregnant dairy cows prior to calving is a common management practice in the New Zealand South Island. However, the high crop yields per hectare grazed, combined ...
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    Nitrate leaching and nitrous oxide emissions related to bacteria and not to archaea in nitrogen rich grassland soils 

    Di, Hong J.; Cameron, Keith C.; Shen, J.; He, J.; Winefield, Christopher S.; Bowatte, S. (International Union of Soil Sciences, 2010-08)
    The oxidation of ammonia (NH₃) to nitrate (NO₃⁻) is a key process in the global nitrogen (N) cycle which has major ecological and environmental implications both in influencing nitrous oxide (N₂O) emissions and NO₃⁻ leaching. ...
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    Italian ryegrass swards reduce N leaching via greater N uptake and lower drainage over perennial ryegrass cultivars varying in cool season growth rates 

    Maxwell, Thomas M. R.; McLenaghen, Roger D.; Edwards, Grant; Di, Hong J.; Cameron, Keith C. (Taylor & Francis on behalf of the Royal Society of New Zealand, 2018-02-04)
    Pasture mitigation strategies are needed to reduce the negative effects of nitrate (NO₃⁻) leaching from intensive pastoral livestock production systems. We explored the capability of pasture grasses with different cool ...
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    Testing large area lysimeter designs to measure leaching under multiple urine patches 

    Carrick, S. T.; Rogers, Graeme; Cameron, Keith C.; Malcolm, B. J.; Payne, J. (Taylor and Francis Group on behalf of the Royal Society of New Zealand, 2017)
    A novel, large area, repacked rectangular shipping container lysimeter (13.8 m² ) was compared with those from undisturbed monolith barrel lysimeters (c. 3.1 m² ), to evaluate their utility for measuring leaching under ...
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    Influence of plant growth and root architecture of Italian ryegrass (Lolium multiflorum) and tall fescue (Festuca arundinacea) on N recovery during winter 

    Malcolm, Brendon J.; Moir, James L.; Cameron, Keith C.; Di, Hong J.; Edwards, Grant (John Wiley & Sons Ltd, 2015-12)
    © 2015 John Wiley & Sons Ltd. Nitrate (NO₃⁻) leaching is an environmental and health concern. In grazed pasture systems, NO₃⁻ leaching primarily occurs beneath animal urine patch areas due to high nitrogen (N) loading and ...
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    How does the application of different nitrification inhibitors affect nitrous oxide emissions and nitrate leaching from cow urine in grazed pastures? 

    Di, Hong J.; Cameron, Keith C. (John Wiley & Sons, Inc. on behalf of the British Society of Soil Science, 2012-03)
    Nitrous oxide (N₂O) is a potent greenhouse gas, and nitrate (NO₃⁻) is a water contaminant. In grazed grassland, the major source of both NO₃⁻ leaching and N₂O emissions is nitrogen (N) deposited in animal excreta, particularly ...
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    Nitrate leaching losses are lower from ryegrass/white clover forages containing plantain than from ryegrass/white clover forages under different irrigation 

    Carlton, Anna; Cameron, Keith C.; Di, Hong J.; Edwards, Grant; Clough, Timothy J. (Taylor & Francis on behalf of the Royal Society of New Zealand, 2018-04-18)
    The aim of this research was to assess the potential of using perennial ryegrass (Lolium perenne) and white clover (Trifolium repens) forages containing plantain (Plantago lanceolata L.) (PRGWC + Plantain) to mitigate ...
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    Cameron, Keith C. (24)
    Di, Hong J. (20)Edwards, Grant (12)Moir, James L. (6)Malcolm, B. J. (4)Carlton, Anna (3)Chapman, D. F. (3)Clough, Timothy J. (3)Bowatte, S. (2)Bryant, Racheal H. (2)... View MoreKeyword
    nitrate leaching (24)
    Agronomy & Agriculture (14)nitrous oxide emissions (7)0702 Animal Production (5)ammonia oxidising bacteria (5)nitrification inhibitor (5)0703 Crop and Pasture Production (4)050304 Soil Chemistry (excl. Carbon Sequestration Science) (3)079902 Fertilisers and Agrochemicals (incl. Application) (3)ammonia oxidising archaea (3)... View MoreDate Issued2020 - 2021 (4)2010 - 2019 (19)2001 - 2009 (1)
    This service is maintained by Learning, Teaching and Library
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