Последние добавленные видео:
hybrid-maize
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7 лет назад
15370 7 лет назад 6:54What are Corn Hybrids? Where did they come from? With Professor Margaret Smith, Cornell University
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10 лет назад
47669 10 лет назад 2:32How Are Corn Hybrids Created
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2 года назад
1622 2 года назад 9:31Saving corn seeds for replanting. How hybrid seeds are created for higher yields 1
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5 месяцев назад
1325 5 месяцев назад 11:41Pioneer Maize Seed Production
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14 лет назад
71716 14 лет назад 11:35The Hybrid Corn Miracle, 1991
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2 года назад
26320 2 года назад 4:13Best hybrid maize varieties to plant in October short rains in Kenya