Pardon if this has been asked before but I'm not sure how to search for the answer. I've been cutting and splitting wood for many years but I generally don't split anything less than 6" in diameter. I let all my wood cut from dead trees season for at least a year; newly felled trees at least 2 years. About 40% of my wood is oak/hickory/walnut/beech, another 40% or so is poplar, maybe 10% is cherry and maybe another 10% is cedar. Question: is not splitting a 6" round causing it to not be seasoned enough? How small is small enough to not split?