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The paper presents a mathematical model developed for the description of water movement in selected construction materials. In the creation of the model the Richards equation was employed that was introduced in 1931 for a homogeneous and isotropic soil medium. The equation was solved with the method of finite differences, using an explicit scheme. The experiment was conducted on a sample made of autoclaved...
Information on the physiological state of plant canopies of crops during the growing season is essential for growers in decision-making such as foliar N and plant growth regulator applications for maximum yield. The aim of the study was to determine optimal vegetation indices for discriminating among four winter spelt and wheat varieties cultivated at six different organic and inorganic N fertilizer...
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