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.
Now the short answer to the big two questions. 1. If you don't already know where to get a vest, then odds are you shouldn't be getting one anyway. There's a lot more to a service dog than the outfit it wears. It typically takes 18-24 months to fully train a service dog.