Which of the following is NOT true of visual inspection of crops?
a. May uncover shortages
b. Notes critical shortages only after yield is impaired
c. Does not tell how much of a nutrient to apply
d. Highly reliable in identifying the types of shortages
Question 2There are no soil tests available for growers such as greenhouse operators or homeowners; all testing
must go through a laboratory.
Indicate whether the statement is true or false.