草原与草坪2026，Vol.46Issue(2)：58-65,8.DOI:10.13817/j.cnki.cyycp.2026.02.007
紫花苜蓿/甜高粱间作下混收混贮对青贮品质的影响
Effect of mixed harvest and mixed silage under alfalfa/sweet sorghum intercropping on silage quality
摘要
Abstract
[Objective]This study aims to clarify the effects of mixed harvest and mixed silage under forage inter-cropping on silage quality.[Method]Alfalfa and Sweet Sorghum were selected as experimental materials,and inter-cropping was carried out in Minqin County,Wuwei City,Gansu Province,in 2022.A combined harvesting and ensil-ing experiments was conducted at the time of harvest.The nutritional composition before and after ensiling,as well as the organoleptic and fermentation qualities post-ensiling,were systematically evaluated.[Result]The contents of WSC,NDF,and ADF in all post-ensiling treatments were reduced,and the RFV was increased.Compared with single silage,the CP content and RFV of Alfalfa+Sweet Sorghum mixed silage were higher than those of Sweet Sorghum single silage.Compared with Alfalfa single silage,the contents of WSC and LA in the mixed silage treat-ment were significantly increased,while the contents of pH,AN,AA,and PA were significantly decreased(P<0.05).At the same time,the sensory quality of mixed harvest and mixed silage was also better than that of Alfalfa single silage.[Conclusion]Alfalfa and Sweet Sorghum are directly mixed harvest and mixed silage after intercrop-ping,which can not only effectively preserve the nutrients of mixed silage,but also improve the fermentation quality of silage.关键词
紫花苜蓿/甜高粱间作/混收混贮/青贮品质Key words
alfalfa/sweet sorghum intercropping/mixed collection and silage/silage quality分类
农业科技引用本文复制引用
董霖,刘晓静,王静,何升然..紫花苜蓿/甜高粱间作下混收混贮对青贮品质的影响[J].草原与草坪,2026,46(2):58-65,8.基金项目
国家自然科学基金项目(32171674) （32171674）
兰州市人才创新创业项目(2023-RC-40). （2023-RC-40）
