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2013 Ohio Soybean Performance Trials Available (Nov 27, 2013)
Laura Lindsey, Harold Watters, CPAg/CCA
The Ohio Soybean Performance Trials are published by J.D. Bethel, Chris D. Kroon Van Diest, John McCormick, and Dr. Laura Lindsey of the Department of Horticulture and Crop Science, Ohio State University Extension/Ohio Agricultural Research and Development Center.
The purpose of the Ohio Soybean Performance Trials is to evaluate soybean varieties for yield and other agronomic characteristics. This evaluation gives soybean producers comparative information for selecting the best varieties for their unique production systems.
Performance of entries in The Ohio Soybean Performance Trials are published if seed will be available to Ohio soybean producers for the following planting season. All 2013 entries were submitted voluntarily by seed companies and the Ohio Seed Improvement Association. Entry fee charges were paid per entry and region. Varieties are grouped, tested and analyzed by type and maturity. All normal and Liberty Link varieties are tested as a group. Roundup Ready varieties are tested in two groups (early and late) based on maturity. The same production, testing, and evaluation techniques were used for normal tests and Roundup Ready tests. The performance of normal & Liberty Link entries and Roundup Ready entries is not comparable statistically because they were not tested and analyzed together. Varieties should only be compared within a test group not between test groups.
The entries for each test site were planted in a randomized complete-block design. Each entry was replicated four times and planted in plots 28 ft. long and 5 ft. wide containing four rows seeded at 150,000 seeds per acre. Previous crop was corn. Each soybean variety was harvested when the moisture content was between 8 and 12 percent and yields reported in bushels per acre at 13% moisture. Yield data from the Delaware County location is not included in this report due to variability caused by excessive precipitation.
A Least Significant Difference (LSD) for yield was computed for each maturity group. LSD's are reported in bushels per acre at 13% moisture. Yields of two varieties within a maturity group are significantly different 90% of the time if their yields differ by more than the LSD value shown for that maturity group.
The trial tables are located on our website: http://agcrops.osu.edu/specialists/soybean/specialist-announcements/2013%20OSPT%20tables.pdf/view
Source : osu. edu
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