Estimating your yield is an important factor in deciding whether or not your field will need to be replanted. To test your population in the United States for 30 inch rows, simply get a tape measure 18′ or longer, lay it out to 17′ 6″, then count the number of plants to the end of the tape. This will give you a number that you multiply by 1000, which will be your number of plants per acre.
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