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 training can begin as soon as the puppy can open its eyes and walk. Young puppies have short attention spans but you can expect them to begin to learn simple obedience commands such as âsit,â âdown,â and âstay,â as young as 7 to 8 weeks of age.