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.
People often receive conflicting advice on what they should be doing with a young Labrador puppy, when to start training a puppy and what can be accomplished. Many authoritative working dog trainers and authors of books recommend not starting training until 6 months of age.