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.
The dog's maturity is a huge factor. A puppy under one year of age is not mentally or emotionally up to the challenge of shouldering the full responsibilities of a service dog and pushing them into that position is very highly likely to burn them out so that they don't want to be a service dog when they get older.