Read the following paragraph and determine if the hypothesis is true:

How to manage a citrus tree nursery<br>Familiarize yourself with the citrus plants and trees being grown. [substeps] Though citrus trees may seem to have a lot of common, significant differences between breeds and varieties do exist. Learn how much water, sunlight, and fertilizer is required to support the citrus trees under your care.

OPT:
a). Yes
b). It's impossible to say
c). No
Hypothesis: Fertilizer is never needed



c).