SAARELA I, JÄRVI A, HAKKOLA H. Phosphorus status of diverse soils in Finland as influenced by long-term P fertilisation 2.Changes of soil test values in relation to P balance with references to incorporation depth of residual and freshly applied P. AFSci [Internet]. 2004Jan.3 [cited 2024Jun.17];13(3):276-94. Available from: https://journal.fi/afs/article/view/5762