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.
Your dog is ready to learn when he is very young. Even puppies who are 10 or 12 weeks old can learn to sit and shake hands. At this age your teaching should be gentle and fun. Many trainers offer puppy classes for pups who are as young as 10 weeks old.This is great socialization where pups learn to play well with all kinds of other dogs. Your puppy can start learning very early. But by 3-4 months old, you should plan on teaching him some fun commands and tricks. young puppy is just like a baby. This is easy to remember when your dog is little, but when he grows to be 75 pounds and is only 6 months old, this may be harder to believe. But dogs are really babies until they are about a year old.