In Figure 5.5,from autumn to spring (March to October)what is the trend in nitrogen allocation to parts of the plant not directly involved with reproduction for this perennial plant from the Southern Hemisphere?

A) The trend is negative as more nitrogen is being sent to parts associated with reproduction.
B) The trend is positive since the plant is investing in reserves for winter
C) The trend is flat.
D) The trend is negative as less and less nitrogen is being sent to parts associated with reproduction.