Some examples are shown in the following gallery with crops arranged from sensitive to very tolerant.. 1  Graphs of crop yield and soil salinity in farmers' fields ordered by increasing salt tolerance. 2  Fig. 3  Fig. 4  Fig. 5  Fig. 6  Fig. 7  Fig.
He should be at least 18 months old and have been doing public access training (performing his already mastered skills and tasks) in public for at least six months reliably before being transitioned from service dog in training to full service dog.
There are three basic areas of training for a service dog: manners, obedience with proofing (aka public access skills), and task training. This training typically takes 18-24 months. While a pet may be taken for a walk to toilet, a service dog must be prepared to toilet on command, on any surface.