Experimental fertilizations in the Baltic Sea suggest that primary productivity there is normally limited by
A) phosphorus.
B) nitrogen.
C) iron.
D) potassium.
E) temperature.

Question

Quizplus · Accepted Answer

Experimental fertilizations in the Baltic Sea have shown that primary productivity in the region is most limited by nitrogen, as adding nitrogen increased productivity.

Experimental Fertilizations in the Baltic Sea Suggest That Primary Productivity