A Study on Complementary Forage System of Supplementing Annual Ryegrass to Warm-Season Grass Pasture

doi:10.11733/j.issn.1007-0435.2010.06.006

›› 2010, Vol. 18 ›› Issue (6): 780-785.DOI: 10.11733/j.issn.1007-0435.2010.06.006

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A Study on Complementary Forage System of Supplementing Annual Ryegrass to Warm-Season Grass Pasture

HOU Dian-chao^1,2, LI Xiang-lin^1,2, WAN Li-qiang¹, HE Feng¹

1. Institute of Animal Science of CAAS, Beijing 100094, China;
2. College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, Gansu Province 730020, China

Received:2010-07-28 Revised:2010-09-28 Online:2010-12-15 Published:2010-12-15

多年生暖季型草地补播多花黑麦草生产系统研究

侯典超^1,2, 李向林^1,2, 万里强¹, 何峰¹

1. 中国农业科学院北京畜牧兽医研究所, 北京, 100094;
2. 兰州大学草地农业科技学院, 甘肃, 兰州, 730020

通讯作者: 李向林,E-mail:lixl@iascaas.net.cn
作者简介:侯典超(1985- ),男,山东梁山人,硕士研究生,研究方向为草地农业生态,E-mail:houdch07@lzu.cn
基金资助:
国家科技支撑计划(2006BAD16B07);“948”项目(2006-G38);基本科研业务费专项基金创新团队(2009td-2),基本科研业务费(2009qn-9);公益性行业科研专项(200903060)资助

Abstract

Abstract: Four kinds of warm-season forages,Paspalum wettsteinii,Pennisetum clandestinum cv.Whittet,Setaria sphacelata cv.Narok and Brachiaria decumbens cv.Basilisk were sown on May 5th,2009.Then Lolium multifolorum was sown into the four resident warm-season pastures in October.Yield、growth rate and density of the forages were measured to assess the feasibility of establishing complementary forage system and solve the forage supply problem of seasonal imbalance in subtropical mid-mountain areas.Results show that overseeding increase forage production significantly(P<0.05);the yield of Brachiaria+Lolium multifolorum was the highest(26337.1 kg·hm^-2);Pennisetum clandestinum+Lolium multifolorum had the highest crude protein production(2903.6 kg·hm^-2).Lolium multifolorum was dominant species in winter and spring,and it accounts for 40% of the forage production.

Key words: Overseeding, Warm-season grass, Annual ryegrass, Complementary forage system, Production

摘要： 于2009年5月在亚热带中山地区引入宽叶雀稗(Paspalum wettsteinii)、威提特东非狼尾草(Pennisetum clandestinum cv.Whittet)、纳罗克非洲狗尾草(Setaria sphacelata cv.Narok)和贝斯莉斯克伏生臂形草(Bra-chiaria decumbens cv.Basilisk)4种多年生暖季型牧草,并于当年10月在4种暖季型禾草草地上分别补播多花黑麦草(Lolium multifolorum),组成不同的互补饲草生产系统(Complementary forage system);通过对各补播系统牧草全年产量、生长速率和密度变化的研究分析,以期建立全季型优质高产的互补饲草组合模式,为解决该地区饲草供应季节不平衡提供可行方案。结果表明:补播能显著增加产草量(P<0.05),干草产量最高的系统是臂形草+多花黑麦草(26337.1 kg·hm^-2);粗蛋白年产量最高的为东非狼尾草+多花黑麦草系统(2903.6 kg·hm^-2);各系统可形成良好的饲草季节配置,多花黑麦草在冬春季节成为优势种,产量占全年饲草总产量的40%。

关键词: 补播, 暖季型牧草, 多花黑麦草, 互补饲草系统, 产量

CLC Number:

S543

HOU Dian-chao, LI Xiang-lin, WAN Li-qiang, HE Feng. A Study on Complementary Forage System of Supplementing Annual Ryegrass to Warm-Season Grass Pasture[J]. , 2010, 18(6): 780-785.

侯典超, 李向林, 万里强, 何峰. 多年生暖季型草地补播多花黑麦草生产系统研究[J]. , 2010, 18(6): 780-785.

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A Study on Complementary Forage System of Supplementing Annual Ryegrass to Warm-Season Grass Pasture

多年生暖季型草地补播多花黑麦草生产系统研究

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