Gypsum amendment influences soil and plant chemical composition temporarily by Markku Yli-Halla, Antti Taskinen, Petri Ekholm

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Gypsum amendment of soils reduces phosphorus losses in an agricultural catchment by Petri Ekholm, Pasi Valkama, Elina Jaakkola, Mikko Kiirikki, Kirsti Lahti, Liisa Pietola

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Simulated effects of gypsum amendment on phosphorus losses from agricultural soils by Elina Jaakkola, Sirkka Tattari, Petri Ekholm, Liisa Pietola, Maximilian Posch, Ilona Bärlund

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Ca–Fe oxide granules as potential phosphate barrier material for critical source areas: a laboratory study of P retention and release by Risto Uusitalo, Petri Ekholm, Jouni Lehtoranta, Aleksandar Klimeski, Olli Konstari, Riku Lehtonen, Eila Turtola

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Gypsum amendment of arable fields as a water protection measure – farmers’ experience, phosphorus reduction potential and associated costs drawn from a large scale pilot by Markku Ollikainen, Anna-Kaisa Kosenius, Eliisa Punttila, Venla Ala-Harja, Samuli Puroila, Antti Iho, Petri Ekholm

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