Nitrogen application to grass lands and spring crops on sedge peat

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Keltikangas V., (1958) On the suitability of bogs for afforestation dra.. Suo - Mires and peat vol. 9 no. 6 artikkeli 9238 (poista) | Muokkaa kommenttia

Lehtiniemi T., (1972) Nutrient level and nutrient relations Suo - Mires and peat vol. 23 no. 2 artikkeli 9397 (poista) | Muokkaa kommenttia

Luostarinen H., (1972) Nitrogen application to grass lands and spring c.. Suo - Mires and peat vol. 23 no. 2 artikkeli 9399 (poista) | Muokkaa kommenttia

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