Effects on production characters and quality of Russian wildrye Grass under Different Grazing Intensities

doi:10.11733/j.issn.1007-0435.2000.04.011

›› 2000, Vol. 8 ›› Issue (4): 312-318.DOI: 10.11733/j.issn.1007-0435.2000.04.011

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Effects on production characters and quality of Russian wildrye Grass under Different Grazing Intensities

Han Jianguo¹, Song Jinfeng¹, Zhang Yunwei¹, Guo Tai², Liu Zhaoqing²

1. Grassland Institute, China Agricultural University, Beijing 100094;
2. Animal Husbandry Bureau of HeBei, Shijiazhuang 050011

Online:2000-11-15 Published:2000-11-15

放牧强度对新麦草生产特性和品质的影响

韩建国¹, 宋锦峰¹, 张蕴薇¹, 郭泰², 刘肇清²

1. 中国农业大学草地研究所, 北京 100094;
2. 河北省畜牧局, 石家庄 050011

基金资助:
国家“九五”科技攻关96-016-01-04专题研究内容

Abstract

Abstract: The study of production characters and quality under light grazing (LG),medium grazing (MG),heavy grazing (HG)and no grazing(CK)was carried out on a russian wildrye grass(Psathyrostachys juncea (Fishch)Nevski)pasture during growing season(mid-June to mid-September)in 1997.The results showed that plant height declined with increasing of the grazing intensity,while the tiller quantities increased;the more of the tiller number,the less of the tiller weight in russian wildrye grass under grazing.The order of leaf arears was CK>MG>LG>HG.The forage yield and the content of CP were increased,and the quality was improved,and the content of ADF,NDF were decrease under MG.

Key words: Grazing intensity, Russian wildrye, Production characters, Quality

摘要： 在华北农牧交错带,进行新麦草人工草地划区轮牧试验。结果表明,中牧区新麦草的分蘖数增多、叶面积增加迅速、再生速度加快,粗蛋白质含量提高、中性洗涤纤维和酸性洗涤纤维含量下降。中牧区有利于提高新麦草的产草量和品质改善。

关键词: 放牧强度, 新麦草, 生产特性, 品质

Han Jianguo, Song Jinfeng, Zhang Yunwei, Guo Tai, Liu Zhaoqing. Effects on production characters and quality of Russian wildrye Grass under Different Grazing Intensities[J]. , 2000, 8(4): 312-318.

韩建国, 宋锦峰, 张蕴薇, 郭泰, 刘肇清. 放牧强度对新麦草生产特性和品质的影响[J]. , 2000, 8(4): 312-318.

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Effects on production characters and quality of Russian wildrye Grass under Different Grazing Intensities

放牧强度对新麦草生产特性和品质的影响

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