Distribution of available nitrogen in soil profile dependent on irrigation, soil microdepressions and nitrogen fertilizers ratios

Veskovic, M.; Jovanovic, Z.; Sredojevic, S.; Petrovic, J.

Proceedings of 6th drainage workshop on drainage and the environment, Ljubljana, Slovenia, April 21-29, 1996: 250-254


Accession: 002804504

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Nitrogen, available in many different forms (NO3-N, NH4-N, NO2-N), is a potential pollutant of surface and underground waters due to its high water solubility and its transferability over soil profiles. Studies showed that significant leaching and accumulation of available nitrogen occurred in deeper layers of well-drained soils (such as Chernozem and alluvium) where water and nitrogen fertilizers accumulated in soil micro-depressions.