Nitrogen saturation in a long-term forest experiment with annual additions of nitrogen
A fertilizer experiment laid out 1971 in a pine (Pinus sylvestris) in N. Sweden is described. The aim was to study the behaviour of a forest ecosystem under controlled nutrient regimes. A primary objective was to study tree production and vitality at different internal nitrogen levels, checked by an...
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Veröffentlicht in: | Water, air and soil pollution air and soil pollution, 1995-12, Vol.85 (3), p.1683-1688 |
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