Blar i Institutt for plante og miljøvitenskap (IPM) på emneord "Phosphorus and potassium"
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Horizontal transfer of nutrients in long-term field experiment
(Research report, 1999-02-01)The horizontal movement of soil phosphorus and potassium was investigated by soil sampling in two long-term field experiments at Aas Norway. After 30 years with 3-4 years ley and 3-4 arable crops in 6-8 years rotations the ...