Search Results - "McDowell, Richard W."

Using organic phosphorus to sustain pasture productivity: A perspective by Nash, David M., Haygarth, Philip M., Turner, Benjamin L., Condron, Leo M., McDowell, Richard W., Richardson, Alan E., Watkins, Mark, Heaven, Michael W.

“…Organic phosphorus (P) in grazed pastures/grasslands could sustain production systems that historically relied on inorganic P fertiliser. Interactions between…”
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Likely controls on dissolved reactive phosphorus concentrations in baseflow of an agricultural stream by McDowell, Richard W., Depree, Craig, Stenger, Roland

“…Purpose High baseflow phosphorus (P) concentrations increase the likelihood of periphyton blooms. Several physical and chemical factors can control baseflow P…”
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Role of Organic Anions and Phosphatase Enzymes in Phosphorus Acquisition in the Rhizospheres of Legumes and Grasses Grown in a Low Phosphorus Pasture Soil by Touhami, Driss, McDowell, Richard W, Condron, Leo M

“…Rhizosphere processes play a critical role in phosphorus (P) acquisition by plants and microbes, especially under P-limited conditions. Here, we investigated…”
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Transforming phosphorus use on the island of Ireland: A model for a sustainable system by Macintosh, Katrina A., Chin, Jason, Jacobs, Brent, Cordell, Dana, McDowell, Richard W., Butler, Paul, Haygarth, Philip M., Williams, Paul, Quinn, John P., O'Flaherty, Vincent, McGrath, John W.

“…Phosphorus is an essential part of the world food web and a non-substitutable nutrient in all biological systems. Losses of phosphorus occur along the…”
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A global dataset on phosphorus in agricultural soils by Ringeval, Bruno, Demay, Josephine, Goll, Daniel S., He, Xianjin, Wang, Ying-Ping, Hou, Enqing, Matej, Sarah, Erb, Karl-Heinz, Wang, Rong, Augusto, Laurent, Lun, Fei, Nesme, Thomas, Borrelli, Pasquale, Helfenstein, Julian, McDowell, Richard W., Pletnyakov, Peter, Pellerin, Sylvain

“…Numerous drivers such as farming practices, erosion, land-use change, and soil biogeochemical background, determine the global spatial distribution of…”
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Dynamics of phosphorus exchange between sediment and water in a gravel-bed river by Wilcock, Robert J., McDowell, Richard W., Quinn, John M., Rutherford, J. Christopher, Young, Roger G., Depree, Craig V.

“…Phosphorus (P) stores in gravel-bed rivers are released for uptake by periphyton when pH levels exceed 8.5. The Tukituki River has low alkalinity water and…”
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Amounts, forms, and solubility of phosphorus in soils receiving manure by Sharpley, A.N, McDowell, R.W, Kleinman, P.J.A

“…Continually land-applying manure at rates exceeding crop removal can change soil P chemistry and increase soil P to levels that are of environmental concern…”
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Speciation and distribution of organic phosphorus in river sediments: a national survey by McDowell, Richard W, Hill, S. J

“…PURPOSE: Organic phosphorus (P) can play a role in in-stream productivity (e.g., periphyton or macrophyte growth), but little is known of the largest likely…”
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Reducing phosphorus losses from agricultural land to surface water by McDowell, Richard W, Haygarth, Philip M

“…Phosphorus (P) enrichment of water impairs its quality by stimulating algal growth and eutrophication, affecting an estimated 1.7 billion people. Remediation…”
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Land use and water quality by McDowell, Richard W.

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Nitrogen fertilization effects on soil phosphorus dynamics under a grass-pasture system by Touhami, Driss, McDowell, Richard W., Condron, Leo M., Bouray, Moussa

“…Nitrogen (N) and phosphorus (P) are critical to pasture productivity; however, limited information is available on how the single and combined additions of N…”
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A Review of the Cost‐Effectiveness and Suitability of Mitigation Strategies to Prevent Phosphorus Loss from Dairy Farms in New Zealand and Australia by McDowell, Richard W., Nash, David

“…The loss of phosphorus (P) from land to water is detrimental to surface water quality in many parts of New Zealand and Australia. Farming, especially…”
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Effects of long‐term phosphorus fertilizer inputs and seasonal conditions on organic soil phosphorus cycling under grazed pasture by Touhami, Driss, Condron, Leo M., McDowell, Richard W., Moss, Ray

“…Soil microbes and phosphatase enzymes play a critical role in organic soil phosphorus (P) cycling. However, how long‐term P inputs influence microbial P…”
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Quantifying the Extent of Anthropogenic Eutrophication of Lakes at a National Scale in New Zealand by Abell, Jonathan M, Özkundakci, Deniz, Hamilton, David P, van Dam-Bates, Paul, Mcdowell, Richard W

“…Quantifying environmental changes relative to ecosystem reference conditions (baseline or natural states) can inform assessment of anthropogenic impacts and…”
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Difficulties in using land use pressure and soil quality indicators to predict water quality by McDowell, Richard W., McNeill, Stephen J., Drewry, John J., Law, Richard, Stevenson, Bryan

“…Intensive agriculture can impair river water quality. Soil quality monitoring has been used to measure the effect of land use intensification on water quality…”
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A Proposed New Approach to Identify Limiting Factors in Assessing Land Suitability for Sustainable Land Management by Navidi, Mir Naser, Seyedmohammadi, Javad, McDowell, Richard W.

“…Making optimal use of scarce resources in developing countries is a major challenge for sustainable crop production. Characterization of factors limiting crop…”
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Minimising phosphorus losses from the soil matrix by McDowell, Richard W

“…Graphical abstract Highlights ► Agricultural intensification promotes P loss and poor P use efficiency. ► Losses are enriched in soils with poor P retention…”
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Random forest, an efficient smart technique for analyzing the influence of soil properties on pistachio yield by Seyedmohammadi, Javad, Navidi, Mir Naser, Zeinadini, Ali, McDowell, Richard W.

“…Pistachio is one of the most important and valuable orchard products in Iran and some other places in the world. Because it is adaptable to adverse…”
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Managing Diffuse Phosphorus at the Source versus at the Sink by Macintosh, Katrina A, Mayer, Brooke K, McDowell, Richard W, Powers, Stephen M, Baker, Lawrence A, Boyer, Treavor H, Rittmann, Bruce E

“…Judicious phosphorus (P) management is a global grand challenge and critical to achieving and maintaining water quality objectives while maintaining food…”
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Integration of ANP and Fuzzy set techniques for land suitability assessment based on remote sensing and GIS for irrigated maize cultivation by Seyedmohammadi, Javad, Sarmadian, Fereydoon, Jafarzadeh, Ali Asghar, McDowell, Richard W.

“…Land suitability assessment can inform decisions on land uses suitable for maximizing crop yield while making best use, but not impairing the ability of…”
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