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锰、硼对紫花苜蓿草产量和矿质元素含量的影响
引用本文:胡华锋,介晓磊,刘世亮,化党领,刘 芳,马 闯.锰、硼对紫花苜蓿草产量和矿质元素含量的影响[J].植物营养与肥料学报,2008,14(6):1165-1169.
作者姓名:胡华锋  介晓磊  刘世亮  化党领  刘 芳  马 闯
作者单位:1.郑州牧业工程高等专科学校,河南郑州 450011;
摘    要:采用叶面喷施的方法,研究不同水平锰、硼对紫花苜蓿草产量和矿质元素含量的影响。结果表明,喷施锰、硼可增加紫花苜蓿产草量;施锰200 mg/kg(Mn2处理)和硼600 mg/kg(B3处理)效果最好,草产量比CK分别显著提高809.49和1065.35 kg/hm2。喷施锰肥能显著提高紫花苜蓿锌和锰的含量,适量喷施能显著提高磷、钴、硒、铁和钼的含量;但喷施锰肥降低了紫花苜蓿钙、铜和硼的含量,适量喷施能显著降低钙和铜的含量。紫花苜蓿锰含量与施锰量呈正相关,硒、铜含量与施锰量呈负相关,而铁、锌含量随施锰量增加呈先升后降趋势。喷施硼肥显著提高了紫花苜蓿锌和磷含量,显著降低了钙、钼、硒的含量,而适量喷施硼肥能显著提高钴、铁、锰、硼的含量,但喷施硼肥未显著降低紫花苜蓿铜的含量。紫花苜蓿锌、硼含量与施硼量呈正相关,铁、钙、钼、铜、硒含量与施硼量呈负相关,而锰、磷含量随施硼量增加呈先升后降趋势。

关 键 词:紫花苜蓿            产草量    矿质元素含量
收稿时间:2007-8-20

Effect of Mn and B on herbage yield and mineral element content of alfalfa
HU Hua-feng JIE Xiao-lei.Effect of Mn and B on herbage yield and mineral element content of alfalfa[J].Plant Nutrition and Fertilizer Science,2008,14(6):1165-1169.
Authors:HU Hua-feng JIE Xiao-lei
Institution:1.Zhengzhou College of Animal Husbandry Engineering,Zhengzhou,Henan 450011,China;
2 Henan Agricultural University,Zhengzhou,Henan 450002,China;
Abstract:Adopting the method of foliar application,the experiment was conducted to investigate the effect of Mn and B on herbage yield and quality of alfalfa.The results showed that foliar application of Mn and B could increase the herbage yield of alfalfa.Among the 3 rates,the Mn 200 mg/kg(Mn_2)and B 600 mg/kg(B_3)were the most effective and suitable application rates,remarkably(P<0.05)increasing the herbage yield by 809.49 and 1065.35 kg/hm~2 respectively,as compared with CK.Spraying Mn could significantly(P<0.05)increase Zn and Mn content of alfalfa,and the appro- priate spraying could signifieantly(P<0.05)increase P,Co,Se,Fe and Mo content;while spraying Mn could reduce Ca,Cu and B content of alfalfa,and the appropriate spraying could significantly(P<0.05)reduce Ca and Cu content.Mn content of alfalfa increased with the increasing application of Mn fertilizer,Se and Cu content decreased with the increasing application of Mn fertilizer,Fe and Zn content increased first and then decreased with the increasing appli- cation of Mn fertilizer.Spraying B could significantly(P<0.05)increase P and Zn content of alfalfa,and reduce Ca, Mo and Se content,and the appropriate spraying of B could significantly(P<0.05)increase Co,Fe,Mn and B con- tent;However Spraying B could not remarkably(P<0.05)reduce Cu content of alfalfa.Zn and B content of alfalfa increased with the increasing application of B fertilizer,Fe,Ca,Se,Mo and Cu content decreased with the increasing application of B fertilizer,Mn and P content increased first and then decreased with the inereasing application of B fertil- izer.
Keywords:alfalfa (Medicaco sativa L  )  Mn  B  herbage yield  mineral element content
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