Influence of mowing time on yield and quality of spring and autumn sown oat hay

doi:10.11686/cyxb2016020

Abstract

Abstract: A experiment was carried out to determine the effect of cutting time on yield and nutritional quality of autumn oat (varieties were Keyan1, T045, UITIMA, Baiyan9) and spring oat (varieties were Keyan1, Baiyan5, Baiyan9, Dancer) in determine the best cutting time for autumn and spring sown oats in the Guanzhong area. The results showed that fresh weight and dry weight of all varieties increased over time. Autumn sown Keyan 1 produced the best yield when cut at the heading stage, (P≤0.05; fresh yield was 1625 g/m² and hay yield was 524 g/m² and crude protein content was 12%. Spring sown Baiyan 9 has the best performance when cut at the jointing stage when fresh yield was 0.73 kg/m², hay yield 0.16 kg/m² and protein content, 15.42%. Protein contents of different varieties ranged from 9% to 19% across cutting times. Protein contents of Keyan1, Baiyan 5, Baiyan 9, and Dancer were 19%, 10%, 15%, 14%, respectively and significantly higher when cut at the jointing stage (P≤0.05) compared with other cutting times.

ZHANG Ying, CHEN Zhi-Fei, ZHANG Xiao-Na, SONG Shu-Hong, YANG Zhuo, YANG Yun-Gui. Influence of mowing time on yield and quality of spring and autumn sown oat hay[J]. Acta Prataculturae Sinica, 2016, 25(11): 124-135.

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