nitrogen cycle article Nitrogen cycle. http://www.nature.com/scitable/knowledg ... n-15644632 Scitable article this this Nitrates choke our estuaries and saturate our soils article http://www.nature.com/scitable/knowledg ... n-15644632 Scitable: The Nature Educarion Earth’s nitrogen cycle Figure 1: Major transformations in the nitrogen cycle www.nature.com/scitable/knowledge/lib... plants prefer Nature The Nitrogen Cycle: Processes, Players, and Human Impact. www.nature.com/scitable/knowledge/lib...