You can develop your own card if you have the patience. The old cards may be off somewhat since fertilizer is now palletized unlike the old stuff. It could feed different with the new fertilizer. For either seed or fertilizer arrange to catch one or more of the tubes with a bucket or buckets. Start with the lowest setting and first pull the drill a short distance to get uniform feed. Then place the empty bucket and pull the unit through a know distance which can be measured after the fact. A longer distance and multiple tubes collected will yield more accurate results. Weigh the seed or fertilizer and calculate an application rate in pounds per acre and record along with the setting. Increase the setting and repeat until you exceed any application rate you ever expect to use. Plan on measuring 5 or 6 or more settings. Plot the points on a graph to interpolate between measurements. If you do not find a card and the math seems too involved, send me an email and I will try to walk you through. We never did depend on the cards or tables to completely establish drill settings. You still have to keep up with how much was actually applied on a know acreage and verify that the setting was correct. You can also do it by trial and error if you put a measuring wheel on the drill and determine the actual application rate for a given setting or you could also consider planting a know acreage and measuring as accurately as possible the pounds applied.
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Today's Featured Article - Talk of the Town: How to Remove a Broken Bolt - by Staff. Another neat discussion from the Tractor Talk Discussion Forum. The discussion started out with the following post: "I have an aluminum steering gear housing with a bolt broken off in it. The bolt is about a 3/8" x 1 1/2" bolt. I've already drilled the center of the bolt out with about 7/64" drill bit the entire length of the bolt. Only one end of the bolt is visible. I tried to use an easy out but it wasn't budging and I didn't want t
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