From what I understand, it's not so much the chemical on the seed, but the powder seed lubricant and the way newer planters operate. Talc or graphite or a combination is dumped in with the seed in the planter. Then, the seed is moved to the row units through tubes with air pressure and the exhausted air contains seed lubricant and some residual chemical that can become airborne. I don't think anyone can say with certainty that this is causing hive collapse, but it's another theory. Canada has outlawed normal talc and graphite seed lubricant, and they're using a fluency agent now that is less likely to become airborne. Made by DuPont, I think. Corn seed has been treated with pesticide and inoculant for a long time, it's just not become airborne quite as easily until recently with the advent of center-fill planting equipment. I suppose treated soybean seed and treated wheat seed through an air seeder would have the same risk. Anyway, that's just what I remember reading.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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