992 resultados para Halonen, Antti
Resumo:
Antti Kolehmainen
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Antti Häkkinen
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Summary: Effect of extraction time and EDTA on acid ammonium concentration of afforested agricultural soils
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Summary: Effect of mineral soil admixture on the nutrient amounts of afforested peat fields
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Antti Oksanen
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Antti Sukura ja Juha Laakkonen