Example: dental hygienist
Search results with tag "Nitrogen cycle and world food production"
scientific Nitrogen cycle and world food production
vaclavsmil.comWORLD AGRICULTURE 11 scientific Fig 1 Nitrogen cycling in the global agroecosystem. Stores are shown as rectangles and flows as valves. The cycle is subdi-vided into its three principal environmental compartments (atmosphere, soils and waters) and all flows affected or domi-