Improving Nutrient Use Efficiency

By T. Roberts. 2008

254 citations recorded by the source corpus.

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Nitrogen use efficiency of bread wheat: Effects of nitrogen rate and time of application (2012, result): “The result is consistent with that of Dhugga and Waines (1989), Ortiz-Monasterio et al. (1997) and Roberts (2008) who found significant decreases in NUEGY with increasing rates of N application.”
Growth, Nutrient Uptake, and Yield Promotion of Broccoli by Plant Growth Promoting Rhizobacteria with Manure (2011, background): “There must be a balance between optimal nutrient use efficiency and optimal crop productivity (Roberts, 2008).”
Agronomic use efficiency of N fertilizer in maize-based systems in sub-Saharan Africa within the context of integrated soil fertility management (2011, unknown): “Johnson and Raun (2003) observed N-AE of 27 kg (kg N) − 1 (fertilizer application rate of 90 kg N ha − 1 ) with irrigated maize in a 15-year study in the USA while rain-fed maize had N-AE values of 18 and 11 kg (kg N) − 1 for fertilizer application rates of 56 and 112 kg N ha − 1 , respectively (Uri”