The 25 WSSM is about the equivilent to the 25-06 so recoil shouldn't be that bad. To say it was too strong for your 9 year old would depend on the child. It is not strong recoil but what other calibers has he shot with?
His age is not really the determining factor of his ability to accept recoil. I've been a competitive skeet shooter for years and have wanted to teach my brothers kids the sport. Most professional instructors (see Fred Missildine's book) will advise you not to start a child until he/she weighs 75 pounds. For skeet shooting that would be the min weight using a 20 ga autoloader to start. To much recoil to early develops bad habits...... the body will naturally avoid the sensation of pain. The kid may develop a flinch or a hesitation to pulling the trigger or something like that, all bad in shooting sports.
I'd use the same guide lines for rifles.
Don’t let it fool you, late season food plots do work. Many people believe that the only time to plant a food plot is during spring but this is not true!! This spring and summer like many people I worked all the time leaving little time for the outdoors. That time was spent scouting areas and hanging tree stands. I didn’t think that I would be able to plant a successful food plot for the 2010 hunting season. But boy was I wrong. I had never planted a fall foot plot before fall 2010, and I...