刈割对紫花苜蓿草产量和品质的影响  

Effects of Cradling on the Yield and Quality of Purple Alfalfa

作　　者：蔡海霞 杨浩哲 王跃卿 程广伟 

机构地区：[1]洛阳农林科学院,河南471022

出　　处：《中国草食动物科学》2013年第2期66-69,共4页China Herbivore Science

基　　金：十二五"国家科技支撑计划项目(2011BAD17B04)

摘　　要：刈割是紫花苜蓿收获、利用和管理的主要方式,刈割的合理与否直接影响当年收获苜蓿的产量和质量,间接影响到后来年份生产力的维持与提高。刈割通常包括刈割时间、茬次、次数和留茬等。文章全面综述了不同刈割形式对紫花苜蓿草产量和草品质的影响以及相应作用机理,表明紫花苜蓿适宜刈割期是现蕾—初花期,最佳刈割期是初花期。适宜刈割次数3～5次,留茬高度3～5 cm,最后1次刈割留茬8～9 cm。Cradling is a main way for the harvest, use and management of purple alfalfa, the reasonable cradling will directly affects the yield and quality of alfalfa and influence its maintainance and improvement in the latter years indirectly. Cradling usually includes harvest period, cutting frequency and stubble height, etc. In this paper,the effects of different cradling models on alfalfa yield and quality and the mechanism were reviewed comprehensively, the review indicated that the suitable harvest period was on the period of budding - initial flowering, the optimum cutting time was on the period of initial flowering,the suitable cutting frequency were 3-5, the suitable stubble height was 3-5 cm and the suitable stubble height for the last time was 8-9 cm.

关 键 词：刈割 刈割时间 刈割次数 紫花苜蓿 产量 品质 

分 类 号：S54[农业科学—作物学]