Correlation of head rice yield with individual kernel moisture content distribution at harvest
1992
Siebenmorgen, T.J. | Counce, P.A. | Lu, R. | Kocher, M.F.
Time of harvest experiments were conducted in Arkansas in 1989 and 1990 to measure head rice yield and individual kernel moisture content distributions for 'Newbonnet', 'Lemont', and 'Tebonnet' long-grain varieties. Individual kernel moisture content frequency distributions for the three rice varieties showed two or three modes on the early harvest dates. As time progressed, the high moisture content modes gradually diminished, and only one mode was shown in the kernel moisture content frequency distributions for the late harvest dates. Head rice yields of the three varieties did not change significantly when the average rice moisture content ranged from 15% to 22%. Head rice yield reductions occurred as a result of rapid rewetting by rain when the moisture content decreased to 15% or lower before rain. The head rice yields obtained from the harvest dates after rain were most significantly correlated with the percentage of kernels with moisture contents above 10.5% for 'Newbonnet', 13.5% for 'Lemont', and 12.5% for 'Tebonnet' as measured on the harvest dates before the rain.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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