Nitrogen and phosphorus losses in surface runoff from agricultural land as influenced by placement of broadcast fertilizer | Zendy

Timmons D. R. | Zendy; Burwell R. E. | Zendy; Holt R. F. | Zendy

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Nitrogen and phosphorus losses in surface runoff from agricultural land as influenced by placement of broadcast fertilizer

Author(s) -

Timmons D. R.,

Burwell R. E.,

Holt R. F.

Publication year - 1973

Publication title -

water resources research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.863

H-Index - 217

eISSN - 1944-7973

pISSN - 0043-1397

DOI - 10.1029/wr009i003p00658

Subject(s) - surface runoff , loam , fertilizer , plough , environmental science , phosphorus , nitrogen , agronomy , nutrient , hydrology (agriculture) , soil water , soil science , geology , chemistry , biology , ecology , geotechnical engineering , organic chemistry

Nitrogen (N) and phosphorus (P) losses were determined in the sediment and water components of surface runoff from fertilized and unfertilized plots on a Barnes loam soil located in west‐central Minnesota. Simulated rainfall was used to cause surface runoff from small fallow plots that received uniform amounts of N and P but that had a different placement of the broadcast fertilizer. Deep incorporation of the fertilizer by plowing down (and subsequent disking) caused N and P losses about equal to those in surface runoff from unfertilized plots. The highest nutrient losses occurred when the fertilizer was broadcast on a disked surface.

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