For what purposes should foliar fertilizers be used? What will ...

[notis]

For what purposes should foliar fertilizers be used?
 
  What will be an ideal response?

Question 2

Which of the following in each pair of plants would probably require more fertilizer?
 
  What will be an ideal response?

[Mochi]

Answer to Question 1

First to correct nutrients deficiencies, such as iron deficiency, that are hard to correct through soil fertilization. Second, to fertilize epiphytic plants, which have small root systems and absorb fertilizer primarily through their leaves.

Answer to Question 2

a cactus in winter versus a cactus in summer - cactus in summer
a plant in a North window versus a plant in a south window - Plant in South window

a fast-growing plant versus an unhealthy plant ill from an unknown cause - Fast-growing plant

[notis]

Thanks for the timely response, appreciate it

[scikid]

TYSM