不同养分管理模式对大针茅草原种群特征的影响

doi:10.12160/j.issn.1672-5190.2022.01.009

畜牧与饲料科学 ›› 2022, Vol. 43 ›› Issue (1): 58-62.doi: 10.12160/j.issn.1672-5190.2022.01.009

不同养分管理模式对大针茅草原种群特征的影响

候伟峰¹, 其格其¹, 董乌云嘎², 温丽¹, 李凤娇¹, 赵力兴¹, 毕盛楠¹, 姜昕禹¹

1.兴安盟农牧科学研究所,内蒙古乌兰浩特 137400;
2.科尔沁右翼前旗森林和草原防灾减灾中心,内蒙古科尔沁右翼前旗 137400

收稿日期:2021-10-26 出版日期:2022-01-30 发布日期:2022-02-10
通讯作者: 其格其（1984—）,男,助理研究员,硕士,主要从事牧草栽培与科研管理工作。
作者简介:候伟峰（1992—）,男,助理研究员,硕士,主要从事草地资源调查及牧草栽培技术研究工作。
基金资助:
内蒙古农牧业青年创新基金项目（2020QNJJM03,2021QNJJM04）; 兴安盟农牧科学研究所青年创新基金项目

Effects of Different Nutrient Management Models on Population Characteristics of Stipa grandis Grassland

HOU Wei-feng¹, Qigeqi¹, DONG Wuyunga², WEN Li¹, LI Feng-jiao¹, ZHAO Li-xing¹, BI Sheng-nan¹, JIANG Xin-yu¹

1. Hinggan League Institute of Agricultural and Animal Husbandry Sciences,Ulanhot 137400,China;
2. Forest and Grassland Disaster Prevention and Reduction Center of Horqin Youyi Front Banner,Horqin Youyi Front Banner 137400,China

Received:2021-10-26 Online:2022-01-30 Published:2022-02-10

摘要/Abstract

摘要： [目的] 研究不同养分处理对大针茅草原种群特征和产草量的影响。[方法] 于2021年在内蒙古兴安盟扎赉特旗图牧吉镇采用随机区组设计方法,研究施有机肥、施化肥、放牧和对照（无管理措施）对草原种群特征及产草量的影响。采用单因素分析和多重比较对4个处理下的草原种群特征和产草量进行差异性分析。[结果] 不同处理对草原种群特征和产草量的影响程度不一。与对照相比,有机肥、化肥和放牧处理均提高了羽茅的重要值,化肥处理达到了显著（P<0.05）水平;而大针茅和毛秆野古草的重要值呈下降趋势。与对照相比,一定程度上,有机肥处理提高了草群高度,而化肥和放牧处理降低了草群高度。草群盖度变化数据显示,与对照相比,化肥处理显著（P<0.05）提高了草群盖度,而有机肥和放牧处理一定程度上降低了草群盖度。产草量变化情况表明,与对照相比,有机肥和化肥处理均提高了产草量,化肥处理达到了极显著（P<0.01）水平,而放牧处理一定程度上降低了鲜草产量。[结论] 有机肥处理有利于提高羽茅的重要值、草群高度和产草量;化肥处理有利于提高羽茅的重要值、草群盖度和产草量。

关键词: 养分管理, 大针茅草原, 种群特征, 生产力

Abstract: [Objective] To assess the effects of various nutrient treatments on population characteristics and grass yields of Stipa grandis grassland. [Method] In Tumuji Town, Jalaid Banner, Hinggan League, Inner Mongolia, the impacts of organic fertilizer application, chemical fertilizer application, grazing, and control （without management methods） on grassland population characteristics and grass yields were analyzed with random block design in the year of 2021. Single component analysis and multiple comparison were used to examine the variations in grassland population characteristics and grass yields across the four treatments. [Result] Grassland population characteristics and grass yields were affected differently by various treatments. Compared with the control, the treatments of organic fertilizer, chemical fertilizer, and grazing all raised the importance value of Achnatherum sibiricum, with chemical fertilizer treatment increased significantly （P<0.05）, while the importance value of Stipa grandis and Arundinella hirta dropped. Organic fertilizer treatment enhanced grass height in comparison to the control, whereas the treatments of chemical fertilizer and grazing lowered grass height. Chemical fertilizer treatment increased grass coverage significantly （P<0.05） compared to the control, but the treatments of organic fertilizer and grazing reduced grass coverage. The treatments of organic fertilizer and chemical fertilizer increased grass yields compared to the control, with chemical fertilizer treatment increased extremely significantly （P<0.01）, but grazing treatment decreased fresh grass yields. [Conclusion] Organic fertilizer treatment improved the importance value , grass height, and grass yields of Achnatherum sibiricum, and chemical fertilizer treatment improved the importance value , grass coverage, and grass yields of Achnatherum sibiricum.

Key words: nutrient management, Stipa grandis grassland, population characteristics, productivity

中图分类号:

S812.5

候伟峰, 其格其, 董乌云嘎, 温丽, 李凤娇, 赵力兴, 毕盛楠, 姜昕禹. 不同养分管理模式对大针茅草原种群特征的影响[J]. 畜牧与饲料科学, 2022, 43(1): 58-62.

HOU Wei-feng, Qigeqi, DONG Wuyunga, WEN Li, LI Feng-jiao, ZHAO Li-xing, BI Sheng-nan, JIANG Xin-yu. Effects of Different Nutrient Management Models on Population Characteristics of Stipa grandis Grassland[J]. Animal Husbandry and Feed Science, 2022, 43(1): 58-62.

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不同养分管理模式对大针茅草原种群特征的影响

Effects of Different Nutrient Management Models on Population Characteristics of Stipa grandis Grassland

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