As part of the research project Interaction between phosphorus heterogeneity patterns in silicate and calcareous soils and root architecture, P nutrition, and growth of beech and Norway spruce, which contributes to the Priority Programme 1685 Ecosystem Nutrition – Forest strategies for limited phosphorus resources (www.ecosystem-nutrition.uni-freiburg.de) funded by the German ...
Contributors include those currently working for the research programme, COST Action 639 BurnOut (www.cost639.net; 2006-2010). COST Action 639 emerged from a demand from policy makers for more detailed information on carbon dynamics. The cooperation between experts for reporting and experts for dynamics is the focus ...
16 tities of nutrients from their soils without us-. 15 ing sufficient quantities of manure or fertilizer. 14 to replenish the . This has resulted in a. 13 very high average annual depletion rate—22. 12 kg of nitrogen (N), 2.5 kg of phosphorus (P), 11 and 15 kg of potassium (K) per hectare of cul-.