This assay proposes long growth periods to improve stem yield and grass persistence.
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Selection of varieties includes for the first time lodging as a decisive trait.
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African Cane and King Grass are first choice as energy crops for long growth periods.
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Yield was higher during the second year vs. the third or the first year of growth.
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OM22, CT115 and Cameroon can be used as energy crops in short growth periods.