Variations in nitrogen utilisation on conventional and organic dairy farms in Norway

Score plot for first and second principal component (PC1 vs. PC2) for dairy farms with organic production system and short-term (ORG-SG, ◯ ) or long-term grassland management (ORG-LG,

3.2 Effects of selected organic fertilizer resources on crop yield, nitrogen uptake and apparent nitrogen recovery efficiency

higher N-surpluses per hectare farm area and per unit produced, than on 552. organic

The organic dairy farms in this study produce milk and meat on average with lower nitrogen and energy intensities and lower nitrogen surplus per area than the

The public guidelines so far developed state that the school every school day shall provide free fruit and vegetables for all pupils at lower secondary schools and

Organic farms had lower N surplus per hectare (local, on-farm) and per unit output (global, cradle-to-farm-gate), and lower estimated GHG emissions and energy intensity

Production of metabolizable energy in milk and meat gain per dairy farm (DF) area 484. (vertical axis) in relation to embodied energy input on all input per dairy farm

Primary energy used by different inputs to produce 1 MJ metabolizable energy in delivered milk and meat gain.. Values in MJ for each conventional (con) and organic (org) dairy