Nutrient outputs from two agricultural watersheds

• Autorzy: Banasik K. , Mitchell J.K. , Walker S.E. , Rudzka E.
• Języki publikacji: EN

Abstrakty

EN

Results of three-year water quality monitoring programs carried out in two small, lowland agricultural watersheds of various fertilization level: the Up­per Little Vermilion River (ULVR) located in Central Illinois and the Zagoż- dżonka River located in Central Poland, were analysed. Nitrate and orthophosphate concentrations and loads are presented and discussed in relation to meteo­rological conditions and hydrological responses of the watersheds. The watershed with intensive agricultural practice (ULVR) generates the runoff with higher con­centrations of nutrients. Concentrations of the considered nutrients were, in the case of N-N03 about 7.1 times, and in the case of P-P04 about 1.6 times higher in the ULVR than concentrations in the Zagożdżonka River. Nitrate-nitrogen losses amount to a significant part (about 15%) of applied total nitrogen fertilization in the ULVR. High concentration of P-P04 in runoff from Zagożdżonka watershed has also been recorded.

• Wydawca: -
• Czasopismo: Zeszyty Problemowe Postępów Nauk Rolniczych
• Rocznik: 1998
• Tom: 458
• Opis fizyczny: p.339-347,fig.,ref.

Twórcy

autor

Banasik K.

• Department of Hydraulic Structures, Warsaw Agricultural Uniwersity, Nowoursynowska 166, 02-787 Warsaw, Poland
• Department of Agricultural Engineering, University of Illinois at Urbana-Champaign, USA

autor

Mitchell J.K.

• Department of Agricultural Engineering, University of Illinois at Urbana-Champaign, USA

autor

Walker S.E.

• Department of Agricultural Engineering, University of Illinois at Urbana-Champaign, USA

autor

Rudzka E.

• Environmental Protection Laboratory of the "Pronit" Factory at Pionki, Pionki, Poland

Bibliografia

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