干旱区生态环境知识资源中心(Arid): 种植密度和行距配置对紫花苜蓿群体产量及品质的影响

Arid

	种植密度和行距配置对紫花苜蓿群体产量及品质的影响
其他题名	Effect of row spacing and planting density on the yield and quality of Medicago sativa
	魏永鹏; 南丽丽; 于闯; 付双军
来源期刊	草业科学
ISSN	1001-0629
出版年	2017
卷号	34 期号:9 页码:1898-1905
中文摘要	以甘肃省主栽品种甘农3号紫花苜蓿(Medicago sativa cv. Gannong No.3)为研究对象,研究了甘肃荒漠灌区播种量(12,16,20和24 kg · hm~(-2))和行距配置[3种等行距10、15和20 cm,2种宽窄行距6行10 cm(窄)+40 cm(宽)和6行10 cm(窄)+30 cm(宽)]对其干草产量、茎叶比及营养成分的影响。结果表明,不同的行距处理中,20 cm行距的苜蓿干草产量显著高于15、10cm和两种宽窄行距(P<0.05);不同的播种量处理中,播种量为16 kg · hm~(-2)的苜蓿年总干草产量显著大于20、24和12 kg · hm~(-2)(P<0.05)。播种量为16 kg · hm~(-2)、行距为20 cm时,初花期苜蓿粗蛋白、粗脂肪、中性洗涤纤维、酸性洗涤纤维、钙、磷含量分别为21.89%、3.59%、33.69%、30.98%、1.34%、0.11%,其粗蛋白含量和年干草产量(32 841.71 kg · hm~(-2))显著高于其它处理(P<0.05)。从产量和营养品质综合考虑,该地区播种量为16 kg · hm~(-2)、行距为20 cm是高产、稳产的最佳配置。本研究结果对苜蓿的栽培与管理有一定的指导意义。
英文摘要	This report describes the effects of seed sowing rate and row spacing on yield, stem : leaf ratio and nutrient composition of Medicago sativa cv. Gannong No. 3 grown in the arid desert region of Gansu. Total yield was the highest when row spacing was 20 cm,which was significantly higher than other spacing of 15,10 cm, and two kinds of wide and narrow row spacing of planting rows. Total yield was also significantly higher at a seeding rate of 16 kg · ha~(-1) compared to other seeding rates of 20,24 and 12 kg · ha~(-1). Crude protein, crude fat,neutral detergent fibre, acid detergent fibre, calcium, and phosphorus contents were 21.89%,3.59%, 33.69%,30.98%, 1.34%, and 0.11% at early flowering stage, respectively. Total yield was 3.28 t · ha~(-1) and the total crude protein content was 21.89%,and both these were significantly higher at 16 kg · ha~(-1) seeding rate and 20 cm row spacing compared to all other treatments. Therefore, this may be the optimal combination, as it scored the highest in grey relational analysis on the comprehensive evaluation of major nutrients. These results offer valuable guidance for cultivation and management of alfalfa.
中文关键词	紫花苜蓿 ; 行距配置 ; 播种量 ; 荒漠绿洲 ; 灰色关联分析
英文关键词	Medicago sativa row spacing seeding rate desert oasis grey correlation analysis
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:6069454
来源机构	甘肃农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/235681
作者单位	甘肃农业大学草业学院, 草业生态系统教育部重点实验室;;甘肃省草业工程实验室, 兰州, 甘肃 730070, 中国
推荐引用方式 GB/T 7714	魏永鹏,南丽丽,于闯,等. 种植密度和行距配置对紫花苜蓿群体产量及品质的影响[J]. 甘肃农业大学,2017,34(9):1898-1905.
APA	魏永鹏,南丽丽,于闯,&付双军.(2017).种植密度和行距配置对紫花苜蓿群体产量及品质的影响.草业科学,34(9),1898-1905.
MLA	魏永鹏,et al."种植密度和行距配置对紫花苜蓿群体产量及品质的影响".草业科学 34.9(2017):1898-1905.