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In this article distribution of monthly phosphorus loads flowing out of two agricultural catchments which are located in different physiographic conditions of Lower Silesia was analysed. Loads of phosphorus runoff from the catchment located in the piedmont part of Lower Silesia in each month rarely exceed 0.10 kg P · ha-1. The size of annual load is determined by loads obtained in two months of early...
W pracy przedstawiono wyniki badań stężenia i ładunku azotu i fosforu w wodach odpływających z małych zlewni rolniczych w warunkach nizinnych i podgórskich Dolnego Śląska. W okresie od połowy lutego do końca marca ze zlewni użytkowanych rolniczo odpływa od 28 do 50% rocznego ładunku azotu i od 27 do 44% rocznego ładunku fosforu. W zlewniach ze znacznym udziałem pól ornych odwadnianych za pomocą drenowania...
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