research product . 2012

Mitigating Agricultural Phosphorus Leaching : The Effect of Timing in Grass Harvesting in Mitigating Wintertime Phosphorus Leaching

Yli-Heikkilä, Katariina;
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  • Published: 01 Jan 2012
  • Publisher: Tampereen ammattikorkeakoulu
The purpose of this thesis was to study how much the above-ground grass biomass, harvested at different times during the growing season, contains phosphorus at the end of the growing season, and how much of it is leached after freezing and thawing. The study aims to give information about the ideal time for grass harvesting in order to mitigate the wintertime phosphorus leaching. The grass biomass was harvested from managed uncultivated arable field at MTT Agrifood Research Centre experimental site in Jokioinen, Finland. The grass biomass was taken from an area of 0.25 m2 on 26 September 2011. The first growth of each experiment was harvested as follows: June (2...
free text keywords: fosfori, huuhtoutuminen, jäätyminen, maatalous, rehevöityminen, agriculture, eutrophication, freezing, leaching, phosphorus, fi=Energia- ja ympäristötekniikka|sv=Energi- och miljöteknik|en=Energy and Enviromental Engineering|, Degree Programme in Environmental Engineering
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