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当前位置: 首页 > 文章 > 不同苜蓿品种刈割时期与产草量·粗蛋白含量的关系 安徽农业科学 2008,36 (31) 13576-13577
Position: Home > Articles > Relationship among the Cutting Time with Grass Production and Crude Protein Content of Different Alfalfa Varieties Journal of Anhui Agricultural Sciences 2008,36 (31) 13576-13577

不同苜蓿品种刈割时期与产草量·粗蛋白含量的关系

作  者：
华利民;汪仁;安景文;邢月华;解占军;刘艳
单  位：
辽宁省农业科学院环境资源与农村能源研究所
关键词：
苜蓿品种;刈割时期;产量;粗蛋白
摘  要：
[目的]研究苜蓿刈割时期与产草量、蛋白质含量的关系。[方法]以6个不同的苜蓿品种为材料,于2002年刈割2次2、003年刈割4次2、004年刈割2次,每次刈割后测定苜蓿的产量、粗蛋白含量。[结果]1年刈割4次,6个苜蓿品种的粗蛋白含量均以第2茬最高,其次是第3茬,第1茬最低,其中苜蓿王和爱菲尼特平均粗蛋白含量最高,分别为22.95%和22.53%;干草产量均以第1茬最高,其次为第3茬和第4茬,第2茬最低。1年刈割1次,6个苜蓿品种播种当年的粗蛋白含量均高于第2年。6个苜蓿品种2003年、2004年干草总产量均高于2002年。[结论]1年刈割4次,苜蓿的粗蛋白含量以第2茬最高,干草产量以第1茬最高。
译  名：
Relationship among the Cutting Time with Grass Production and Crude Protein Content of Different Alfalfa Varieties
作  者：
HUA Li-min et al (Environmental Resources and Agricultural Energy Institute of Liaoning Academy of Agricultural Sciences,Shenyang,Liaoning 110161)
关键词：
Alfalfa variety;Cutting time;Yield;Crude protein
摘  要：
[Objective] The study was to study the relationship of cutting time with grass production and crude protein content of different alfalfa varieties.[Method] With 6 different alfalfa varieties as materials,they were cut 2 times in 2002,4 times in 2003 and 2 times in 2004.The yield and crude protein content of alfalfa were detected after the alfalfa was cut each time.[Result] When the alfalfa was cut 4 times in a year,the crude protein content in the second stubble of 6 alfalfa varieties were all the highest,and the following was that in the third stubble,that in the first stubble was the lowest,among which,the average crude protein content of Alfaking and Affinity were the highest,being 22.95% and 22.53% resp.The hay yield in the first stubble of alfalfa was the highest,and the following was that in the third stubble and the 4th stubble,that in the second stubble was the lowest.When the alfalfa was cut one time in a year,the crude protein content in 6 alfalfa varieties in current year were all higher than that in the second year.The total yield of hay of 6 alfalfa varieties in 2003 and 2004 were all higher than that in 2002.[Conclusion] When the alfalfa was cut 4 times in a year,the crude protein content in the 4th stubble was the highest and the hay yield in the second stubble was the highest.

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