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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2006)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2013)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2008)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2005)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2015)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2013)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1990)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1992)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1993)
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(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1991)