Model of water management in the agricultural catchment area - groundwater. Pt. 2. Influence of agricultural land using on groundwater quality
1992
Moryl, A. | Kajewski, I. | Kowalski, J. (Akademia Rolnicza, Wroclaw (Poland). Inst. Budownictwa Wodnego i Ziemnego)
The main aim of this investigations was determination of the mineral fertilization influence on groundwater quality. The authors present composition of soil filtrates on background of precipitations, irrigations, doses of fertilizers and kind of culture. In the lysimeters have been cultivated such cultures as wheat, potatoes, barley, grasses and spring mixture. The contents of nitrogen in soil filtrates for each culture are shown. The contents of nitro-nitrogen exceed standarts for drinking water very seriously. In the end of the paper are presented losses of nitrogen from lysimeters with respect to the area of one hectare
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