Long‐term changes in soil phosphorus in response to fertilizer application and negative phosphorus balance under grass rotation in mineral soils in Nordic conditions
Arja Louhisuo,
Markku Yli‐Halla,
Maarit Termonen
et al.
Abstract:Considerable amounts of residual fertilizer phosphorus (P) have accumulated in the agricultural soils of Finland since the 1960s, and the P fertilization recommendations have been lowered. It is unknown how much P intensively managed silage grass can obtain from the accumulated reserves without a loss of yield. In two field experiments on sandy loam conducted in 2003–2020, four consecutive grass (70% timothy, 30% fescue) rotations were performed (four or five years each, including the establishment year). The … Show more
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