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Michaelis-Menten (MM) kinetics and a physical–mathematical (PM) model are the popular approaches to describe root N uptake (RNU). This study aimed to examine RNU and compare the two model approaches. A hydroponic experiment (Exp.1) investigated the effects of root length, root N mass, transpiration, plant age and solution N concentration on RNU of wheat(More)
The knowledge of soil moisture spatial and temporal variability improves the understanding of the scale issue for hydrological and climatic studies. In the paper, daily soil moisture samplings at 144 locations were collected in the spring wheat region, and the classical statistics, geostatistics and time stability analysis were used together to discuss the(More)
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