Search Results - "Wong, M. T. F."

Determining the Causes of Spatial and Temporal Variability of Wheat Yields at Sub-field Scale Using a New Method of Upscaling a Crop Model by Wong, M.T.F, Asseng, S

“…Wheat yields in the Mediterranean climate of Western and Southern Australia are often limited by water. Our measurements on a 70 ha growers field showed linear…”
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Yield and environmental benefits of ameliorating subsoil constraints under variable rainfall in a Mediterranean environment by Wong, M. T. F, Asseng, S

“…Subsoil constraints to root growth exacerbate frequent water and nutrient limitations to crop yields in Mediterranean-type environments. Amelioration of…”
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Gamma-Radiometric Assessment of Soil Depth across a Landscape Not Measurable Using Electromagnetic Surveys by Wong, M.T.F, Oliver, Y.M, Robertson, M.J

“…Soil depth affects plant available soil water storage capacity (PAWC). This storage capacity is important for grain yield, deep drainage, and nitrate leaching…”
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Dissolved reactive phosphorus played a limited role in phosphorus transport via runoff, throughflow and leaching on contrasting cropping soils from southwest Australia by Sharma, R., Bell, R.W., Wong, M.T.F.

“…Phosphorus (P) lost from agricultural land by erosion, runoff, throughflow and leaching is of major concern for water resource managers worldwide. Previous…”
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Runoff and leaching of dissolved phosphorus in streams from a rainfed mixed cropping and grazing catchment under a Mediterranean climate in Australia by Sharma, R., Wong, M.T.F., Weaver, D.M., Bell, R.W., Ding, Xiaodong, Wang, Ke

“…Managing phosphorus (P) is a global priority for environmental water quality due to P lost from agricultural land through leaching, runoff and subsurface flow…”
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Mapping subsoil acidity and shallow soil across a field with information from yield maps, geophysical sensing and the grower by Wong, M. T. F, Asseng, S, Robertson, M. J, Oliver, Y

“…Management decisions, such as subsoil liming or varying fertilizer inputs to take account of soil depth and anticipated yields require knowledge of where…”
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Use of EMI, gamma-ray emission and GPS height as multi-sensor data for soil characterisation by Castrignanò, A., Wong, M.T.F., Stelluti, M., De Benedetto, D., Sollitto, D.

“…Geo-electrical sensors are often used as auxiliary variables with sparse direct measurements to estimate soil properties. Using a single sensor is not ideal in…”
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Potassium nutrition effects on seed alkaloid concentrations, yield and mineral content of lupins (Lupinus angustifolius) by Gremigni, P., Wong, M. T. F., Edwards, N. K., Harris, D., Hamblin, J.

“…To ensure that narrow-leafed lupin (Lupinus angustifolius L.) meets feed quality standards, the concentration of alkaloids must be kept under the maximum…”
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Development of buffer methods and evaluation of pedotransfer functions to estimate pH buffer capacity of highly weathered soils by Wong, M. T. F., Webb, M. J., Wittwer, K.

“…The pH buffer capacity of a soil (pHBC) determines the amount of lime required to raise the pH of the soil layer from its initial acid condition to an optimal…”
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Integrating farmer knowledge, precision agriculture tools, and crop simulation modelling to evaluate management options for poor-performing patches in cropping fields by Oliver, Y.M., Robertson, M.J., Wong, M.T.F.

“…Cropping fields often have poor-performing patches. In an attempt to increase production on poor patches, farmers may apply additional fertiliser or…”
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A flexible approach to managing variability in grain yield and nitrate leaching at within-field to farm scales by Wong, M. T. F., Asseng, S., Zhang, H.

“…We up-scaled the APSIM simulation model of crop growth, water and nitrogen dynamics to interpret and respond to spatial and temporal variations in soil, season…”
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Method for determining the acid ameliorating capacity of plant residue compost, urban waste compost, farmyard manure, and peat applied to tropical soils by Wong, M.T.F, Nortcliff, S, Swift, R.S

“…Plant residue compost, urban waste compost, farmyard manure, and peat can be used to ameliorate soil acidity. The diversity of these materials and their highly…”
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Potential roles of biological amendments for profitable grain production – A review by Abbott, L.K., Macdonald, L.M., Wong, M.T.F., Webb, M.J., Jenkins, S.N., Farrell, M.

“…•Biological amendments include biostimulants, organic amendments and inoculants.•Some biological amendments may have potential cumulative effects.•Modes of…”
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Four Pillars of digital land resource mapping to address information and capacity shortages in developing countries by Ringrose-Voase, A.J., Grealish, G.J., Thomas, M., Wong, M.T.F., Glover, M.R., Mercado, A., Nilo, G.P., Dowling, T.I.

“…Like many developing countries, the Philippines has a shortage of land resource information at sufficiently fine scales for effective land-use planning. The…”
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Initial responses of maize and beans to decreased concentrations of monomeric inorganic aluminium with application of manure or tree prunings to an Oxisol in Burundi by Wong, M.T.F. (Reading Univ. (United Kingdom). Dept. of Soil Science), Akyeampong, E, Nortcliff, S, Rao, M.R, Swift, R.S

“…Prunings of Calliandra calothyrsus, Grevillea robusta, Leucaena diversifolia and farm yard manure were applied each cropping season at 3 and 6 t dry matter…”
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ESTIMATING NET PRIMARY PRODUCTION FROM MEASUREMENT MADE ON SOIL ORGANIC MATTER by JENKINSON, D. S, MEREDITH, J, KINYAMARIO, J. I, WARREN, G. P, WONG, M. T. F, HARKNESS, D. D, BOL, R, COLEMAN, K

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Estimating net primary production from measurements made on soil organic matter by Jenkinson, D. S., Meredith, J., Kinyamario, J. I., Warren, G. P., Wong, M. T. F., Harkness, D. D., Bol, R., Coleman, K.

“…A model for the turnover of organic matter in soil, ROTHC-26.3, can be used to calculate how much organic C needs to enter a soil annually in order to maintain…”
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Effect of additions of brown coal and peat on soil solution composition and root growth in acid soil from wheatbelt of western Australia by Yazawa, Y., Wong, M.T.F., Gilkes, R.J., Yamaguchi, T.

“…Additions of several categories of organic materials including fresh plant materials, compost, manure, coal derived products, and peat have been shown to…”
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Seasonal fluctuations of native available N and soil management implications by Wong, M. T. F., Nortcliff, S.

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Leaching loss of calcium, magnesium, potassium and nitrate derived from soil, lime and fertilizers as influenced by urea applied to undisturbed lysimeters in south-east Nigeria by Wong, M. T. F., Kruijs, A. C. B. M., Juo, A. S. R.

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