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.
Some are intentionally bred for service work, some are career change dogs bred for other work, some are rescues, and yes, some started out as pets. However, the odds of any given dog having all the right stuff and actually completing training to become a service dog are about 1 in 100. service dog must receive adequate training in three areas: obedience, tasks, and public access. He should be reliable in obeying commands at least 90% of the time on the first command. He should sit, down, come, stay, and heel properly.