硒锌与富啡酸配施对紫花苜蓿产量、营养成分及氨基酸组成的影响

doi:10.11686/cyxb20140208

草业学报 ›› 2014, Vol. 23 ›› Issue (2): 66-75.DOI: 10.11686/cyxb20140208

硒锌与富啡酸配施对紫花苜蓿产量、营养成分及氨基酸组成的影响

田春丽^1,3,介晓磊^1,4,刘巘¹,刘芳¹,郭孝²,胡华锋²,刘世亮^1*

1.河南农业大学资源与环境学院,河南郑州 450002;
2.河南牧业经济学院,河南郑州 450011;
3.河南农业职业学院,河南中牟 451450;
4.黄淮学院,河南驻马店 463000

收稿日期:2013-08-22 出版日期:2014-02-25 发布日期:2014-04-20
通讯作者: E-mail:shlliu70@163.com
作者简介:田春丽(1982-),女,河南驻马店人,讲师,在读博士。E-mail:ashou05@163.com
基金资助:
“十二五”农村领域国家科技计划课题“砂质潮土中低产田改良研究与示范”(2012BAD05B0207),国家农业科技成果转化资金项目“土-草-饲-畜系统微量元素增效技术中试与示范”(2010GB2D000287),河南省科技攻关重点项目(122102110123)和国家“十二五”科技支撑计划项目(2011BAD17B04)资助。

Effects of Se-Zn and fulvic acid combined application on nutrient component and amino acids formation of alfalfa

TIAN Chun-li^1,3, JIE Xiao-lei^1,4, LIU Yan¹, LIU Fang¹, GUO Xiao², HU Hua-feng², LIU Shi-liang¹

1.College of Resources and Environmental Science, Henan Agricultural University, Zhengzhou 450002, China;
2.Henan University of Animal Husbandry and Economy, Zhengzhou 450011, China;
3.Henan Vocational College of Agriculture, Zhongmu 451450, China;
4.Huanghuai University, Zhumadian 463000, China

Received:2013-08-22 Online:2014-02-25 Published:2014-04-20

摘要/Abstract

摘要： 采用大田小区试验方法,通过播前基施硒、锌微肥和富啡酸,研究了硒锌和富啡酸配施对紫花苜蓿产量、营养成分及氨基酸组成的影响。结果表明:在统一施用氮磷钾的基础上,适量硒锌或富啡酸的施用均可提高紫花苜蓿干草产量,且以两者配施效果最好,产量达16.28 t/hm²,显著(P<0.01)高于对照,增幅为42.43%;施用硒锌混合微肥或富啡酸均可显著提高紫花苜蓿硒、锌含量及积累量;硒锌和富啡酸配施极显著提高了紫花苜蓿粗蛋白含量和粗灰分含量,而对粗脂肪、粗纤维和无氮浸出物含量影响不显著,三者配施显著提高了氨基酸总量及缬氨酸(Val)、亮氨酸(Leu)以及赖氨酸(Lys)等3种必需氨基酸(EAA),同时提高了非必需氨基酸(NEAA)中的天门冬氨酸(Asp)、精氨酸(Arg)、组氨酸(His)和酪氨酸(Tyr),其他氨基酸变化不明显。因此,适量硒锌与富啡酸配施有利于增加苜蓿干草产量、营养成分、必需氨基酸含量和氨基酸总量,改善紫花苜蓿品质。

Abstract: A field experiment was conducted to investigate the nutrient component and amino acids formation contents of alfalfa (Medicago sativa) by selenium (Se) and zinc (Zn) and fulvic acid (FA) combined basal application in alfalfa grassland at Zhongmu Town in Zhengzhou City. The experiment was have five treatments: (1) only applied N, P and K fertilizer, and the fertilized amount was N 90 kg/hm², P₂O₅ 120 kg/hm², K₂O 105 kg/hm²; (2) combined application N, P, K fertilizer and FA (FA applied amount was 90 kg/hm²); (3) combined application N, P, K fertilizer and micro-element fertilizer Se, Zn (ZnSO₄·7H₂O applied amount was 15 kg/hm², Na₂SeO₃ applied amount was 0.60 kg/hm²); (4) combined application N, P, K fertilizer, micro-element fertilizer Se, Zn and FA; (5) CK (there was no fertilizer applied). All the fertilizer was applied as basal fertilizer. And collected the first cut of second year alfalfa was measurement samples. The results indicated that appropriate Se-Zn and FA applied amount could significantly increase herbage yield of alfalfa, and the highest herbage yield was raised to 16.28 t/hm² occurred in the NPK+FA+Zn+Se treatment, higher by 42.43% than that of CK. Applying Se-Zn or FA all could significantly increase the alfalfa Se and Zn content and accumulation. Se-Zn and FA combined application could significantly increase the content of alfalfa crude protein and crude ash, but it there was no significantly effect on crude fat, crude fiber and non-nitrogen extract content. Se-Zn and FA combined application could also increase the contents of total amino-acids (TAA) content and Val, Leu, Lys content and Asp, Arg, His, Tyr content, but had less apparent effects on other amino acid under any condition. The results obtained in this study suggest that appropriate Se-Zn and FA combined application could increase the herbage yield and nutrient and amino acids formation contents of alfalfa and it also favor high quality production.

中图分类号:

田春丽,介晓磊,刘巘,刘芳,郭孝,胡华锋,刘世亮. 硒锌与富啡酸配施对紫花苜蓿产量、营养成分及氨基酸组成的影响[J]. 草业学报, 2014, 23(2): 66-75.

TIAN Chun-li, JIE Xiao-lei, LIU Yan, LIU Fang, GUO Xiao, HU Hua-feng, LIU Shi-liang. Effects of Se-Zn and fulvic acid combined application on nutrient component and amino acids formation of alfalfa[J]. Acta Prataculturae Sinica, 2014, 23(2): 66-75.

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硒锌与富啡酸配施对紫花苜蓿产量、营养成分及氨基酸组成的影响

Effects of Se-Zn and fulvic acid combined application on nutrient component and amino acids formation of alfalfa

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