Which of the following is not an advantage of drip-irrigation?

A. fertilizers can be applied through the system
B. there is reduction in the concentration of salt in the root zone
C. the system operates on a much lower line pressure than spinkler system
D. its efficiency on water distribution in steep slopes is poor
E. there is considerable maximization on use of water

Correct Answer:

Option D – its efficiency on water distribution in steep slopes is poor