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.
Once a puppy is aged between 9 and 12 weeks old, you can start to think about introducing him to formal obedience training in a classroom situation. In order to protect the health of you dog, as well as the others in the class, most places require that all pups have at least 2 vaccinations.