Growers that had hail damage to their blackberry crop this spring are trying to estimate their crop losses. I have been asked to provide recent yield data. We collected this data at the Piedmont Research Station from 2008-2010. Table 1 is our actual data, Table 2 is converted to yield per acre based on our original plant density.
I realize that the plants fill in the rows after you plant and that it may be hard to figure out how many plants there are per acre. However, for our purposes it is easier to present yield per plant based on the original planting density, e.g. plants were set 4 ft apart in the row and rows are 12 ft apart. This would be the equivalent of 907 plants per acre. Keep in mind that there can be distortion of data as we multiply up from our 20 plants to 907. Your plant density may have been different and this will change the yield/acre. In addition, actual grower yields may be higher or lower and may vary due to trellis type, year to year yield variations, and other production practices.
Sorry about the quality of the print, pasting tables into blogger is not that easy. Contact me if you want a copy of this data in PDF form.
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