It really depends on the weather and your seed. If you look even the best soybean seed is usually only 90-95% germination. So for your final of 150K per acre you would need to adjust your planted population up to reflect the different germination rates. Personally I am not a fan of lower populations just to "save" seed costs. I usually like 170-180K finals. I have found that they will grow better beans year in and out at that higher rate. The higher rate does not help much in a perfect growing year but it sure can help in years when the bean plants are stressed.
I played around 4-5 years ago and found out that the 150K final rate on lower quality ground, in stressful years, can easily be 10-15 BPA lower in yield than the higher plant populations. When we where planting public varieties we usually drilled the beans at 220K planting rates.
So on our ground here I will take more plants per acre on soybeans and corn as well. I like to have final stands on corn to be above 33K per acre too.
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Today's Featured Article - A City Guy's First Tractor - by Fred Hambrecht. After living in apartments in Atlanta for more years than I care to remember, the wife and I decided to move to the country. Humming "Green Acres is the place for me..." we purchased a 29 acre tract about 60 miles south of Atlanta. Next came the house, I could talk about that ordeal for another two weeks... But, I want to talk about my tractor! We didn't even own a lawnmower, and all of a sudden we had enough grass to feed all the starving children of the bovine world. Naturally, I talked
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