刈割对白三叶种子及草产量的影响

doi:10.11733/j.issn.1007-0435.2007.03.010

›› 2007, Vol. 15 ›› Issue (3): 248-253.DOI: 10.11733/j.issn.1007-0435.2007.03.010

刈割对白三叶种子及草产量的影响

耿文诚¹, 张英俊², 邵学芬¹, 铁云华¹

1. 云南省种羊场, 云南, 寻甸, 655204;
2. 中国农业大学草地研究所, 北京, 100094

收稿日期:2006-12-06 修回日期:2006-12-25 出版日期:2007-06-15 发布日期:2007-06-15
通讯作者: 张英俊,E-mail:zh ang yj@cau.edu.cn
作者简介:耿文诚(1969- ),男,云南东川人,高级畜牧师,在读硕士,主要从事人工草地建植与管理、牧草种子生产及草地畜牧业科研及推广工作,已发表论文30余篇,合作专著1部,E-mail:ynsheepfarm@tom.com
基金资助:
云南省省院省校科技合作项目(2003FCBFE00A002)

Effects of Different Cutting Regimes on Herbage Production and Seed Yields of White Clover

GENG Wen-cheng¹, ZHANG Ying-jun², SHAO Xue-fen¹, TIE Yun-hua¹

1. Yunnan Sheep and Goat Breeding Farm, Xundian 655204, China;
2. Institute of Grassland Science, China Agricultural University, Beijing 100094, China

Received:2006-12-06 Revised:2006-12-25 Online:2007-06-15 Published:2007-06-15

摘要/Abstract

摘要： 刈割期是影响白三叶种子产量和草产量的主效因子;间隔期越短,白三叶在总产草量中所占比例越高;留茬过高(10 cm)或过低(5 cm)、间隔期过长(45 d)或过短(15 d)均对种子生产不利;其中以30 d-8 cm种子产量最高(412.9kg/hm²),极显著高于其余处理(P<0.01),且杂草量少、干草产量4505.3 kg/hm²,品质高,其中白三叶所占比例为46.97%;15 d-10 cm干草产量最高(11011.4 kg/hm²);15 d-5 cm白三叶干草产量最高(4422.1 kg/hm²)。

关键词: 白三叶种子田, 刈割, 留茬高度, 间隔时间, 草产量, 种子产量

Abstract: White clover(Trifolium repens L.) seed yields and herbage production were studied on white clover seed-breeding fields under 9 treatments assembled with 5,8 or 10 cm stubble height and 15,30 or 45 d cutting interval along with zero cutting during summer and autumn.Cutting increased the proportion of white clover in the field,enhanced the seed yields and herbage production of white clover.Cutting interval was a main factor for herbage production,the shorter the interval was,the higher were the harvests of white clove and weeds,the total harvests,and the white clover proportion.Both of stubble height and cutting interval affected seed yields,extreme stubble height(5 cm or 10 cm) and cutting interval(15 d or 45 d) were disadvantageous for the seed production.The treatment with 30 d-8 cm resulted in highest seed yield of 412.9 kg/hm²(P<0.01),least weeds harvest,herbage production of 4505.3 kg/hm²,highest herbage quality,and white clover proportion of 46.97%.The highest total herbage production of 11011.4 kg/hm² was obtained under treatment of 15 d-10 cm;treatment of 15 d-5 cm resulted in the greatest whiter clover herbage production of 4422.1 kg/hm².

Key words: Whiter clover seed-breeding fields, Cutting grass, Stubble height, Cutting interval, Herbage harvest, Seed yield

中图分类号:

S812
S54

耿文诚, 张英俊, 邵学芬, 铁云华. 刈割对白三叶种子及草产量的影响[J]. , 2007, 15(3): 248-253.

GENG Wen-cheng, ZHANG Ying-jun, SHAO Xue-fen, TIE Yun-hua. Effects of Different Cutting Regimes on Herbage Production and Seed Yields of White Clover[J]. , 2007, 15(3): 248-253.

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刈割对白三叶种子及草产量的影响

Effects of Different Cutting Regimes on Herbage Production and Seed Yields of White Clover

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