Study on Production Performance and Interspecific Competition of Italian ryegrass and Villose Vetch Mixed Grassland in Winter Fallow Farmlands

doi:10.11733/j.issn.1007-0435.2016.01.006

Acta Agrestia Sinica ›› 2016, Vol. 24 ›› Issue (1): 42-46.DOI: 10.11733/j.issn.1007-0435.2016.01.006

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Study on Production Performance and Interspecific Competition of Italian ryegrass and Villose Vetch Mixed Grassland in Winter Fallow Farmlands

LIU Qian¹, FU Ping¹, AO Xue-cheng¹, SU Mao¹, SUN Qi-zhong²

1. Institute of Animal Husbandry and Veterinary Sciences of Liangshan Yiautonomous prefecture, Xichang, Sichuan Province 615042, China;
2. Institute of Grassland Research of Chinese Academy of Agricultural Sciences, Hohhot, Inner Mongolia 10010, China

Received:2014-12-01 Revised:2015-03-12 Online:2016-02-15 Published:2016-04-26

冬闲田多花黑麦草+光叶紫花苕混播草地生产性能与种间竞争的研究

柳茜¹, 傅平¹, 敖学成¹, 苏茂¹, 孙启忠²

1. 凉山彝族自治州畜牧兽医研究所, 四川西昌 615042;
2. 中国农业科学院草原研究所, 内蒙古呼和浩特 010010

通讯作者: 孙启忠
作者简介:柳茜(1977-),女,四川西昌人,高级畜牧师,主要从事牧草栽培技术研究与推广,E-mail:422506333@qq.com
基金资助:
国家牧草产业技术体系(CARS-35)资助

Abstract

Abstract:

The changes of production performance and interspecific competition in winter fallow farmlands were investigated using Italian ryegrass and Villose vetch by unicast and mixed sowing. Results showed that mixed seeding combination of Italian ryegrass and Villose vetch could increase the forage yield up to 14125.05 ~ 17730.53 kg·hm^-2, which was higher than that of unicast Italian ryegrass by 14.08% ~ 43.19% or villose vetch by 54.67%~94.15%. In the growth stage, the biomass of Italian ryegrass was dominant in harvest regimes, and its competitiveness was more than that of Villose vetch in the mixed community at a competitive advantage. Comprehensive analyses of yield, growing competition trends and community structure indicated that the best mixed seeding combination pattern was 50% : 50% (Italian ryegrass: Villose vetch), which had the highest forage yield and suitable component composition.

Key words: Mixed grassland, Italianryegrass, Villose vetch, Winter fallow farmland

摘要：

以"特高"多花黑麦草(Lolium multi florumcv. ‘Tetragold’)和光叶紫花苕(Vicia villosa var. glabrescens)为材料,利用冬闲田研究其单播和混播的生产性能和种间竞争变化。结果表明,多花黑麦草与光叶紫花苕混播组合均可提高饲草产量,达14125.05~17730.52kg·hm^-2,比单播多花黑麦草提高14.08%~43.19%,比单播光叶紫花苕提高54.67%~94.15%。在整个生长利用期,多花黑麦草的生物量在各次刈割中均占主导地位,在混播群落中竞争力一直超过光叶紫花苕,处于竞争优势地位。产草量、生长竞争态势以及群落结构的综合分析证明,二者以50%多花黑麦草+50%光叶紫花苕混播饲草产量最高,组分构成适宜,为最佳混播种植模式。

关键词: 混播草地, 多花黑麦草, 光叶紫花苕, 冬闲田

CLC Number:

LIU Qian, FU Ping, AO Xue-cheng, SU Mao, SUN Qi-zhong. Study on Production Performance and Interspecific Competition of Italian ryegrass and Villose Vetch Mixed Grassland in Winter Fallow Farmlands[J]. Acta Agrestia Sinica, 2016, 24(1): 42-46.

柳茜, 傅平, 敖学成, 苏茂, 孙启忠. 冬闲田多花黑麦草+光叶紫花苕混播草地生产性能与种间竞争的研究[J]. 草地学报, 2016, 24(1): 42-46.

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Study on Production Performance and Interspecific Competition of Italian ryegrass and Villose Vetch Mixed Grassland in Winter Fallow Farmlands

冬闲田多花黑麦草+光叶紫花苕混播草地生产性能与种间竞争的研究

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