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.
When to Begin House Training Puppy. Experts recommend that you begin house training your puppy when he is between 12 weeks and 16 weeks old. At that point, he has enough control of his bladder and bowel movements to learn to hold it.hen you start to house train, follow these steps: 1  Keep the puppy on a regular feeding schedule and take away his food between meals. 2  Take puppy out to eliminate first thing in the morning and then once every 30 minutes to an hour.