MT SOL Posted February 27, 2012 Report Share Posted February 27, 2012 I'm doing an IA on the effect of fertilizer on the primary productivity of an aquatic plant. I'm not good at critical thinking - that's why I didn't take IB Physics or Chem! - so I'm having a little trouble wrapping my head around a couple of concepts. Can someone please verify if I'm correct? Just tell me if I'm wrong, OK, because I need to do this IA:Primary productivity encompasses gross productivity and net productivity. (I'm pretty sure this is correct)Gross productivity: total photosynthetic productionNet productivity: total photosynthetic production - respirationTo calculate gross productivity in my IA:fertilizer group dissolved oxygen - dark bottle = gross respiration fertilizer group dissolved oxygen (final reading) - initial reading of fertilizer group dissolved oxygenAm I on the right track at least? Reply Link to post Share on other sites More sharing options...
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