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.
Dogs start out as service dog candidates or puppy candidates while they are doing socialization and learning core obedience skills. They become service dogs in training (SDiT) when they are ready to begin learning the special behaviors that mitigate their owner/handler's disability. A dog learning to heel is not learning to be a service dog (he is a candidate).