15N测定甘蔗生物固氮能力研究（英文）

被引：6

作者：

杨荣仲 ^{[1
]}

谭裕模 ^{[2
]}

桂意云 ^{[1
]}

谭芳 ^{[1
]}

李杨瑞 ^{[2
]}

机构：

[1] 广西甘蔗研究所

[2] 中国农科院甘蔗研究中心

来源：

Agricultural Science & Technology | 2008年 / 02期

关键词：

Sugarcane; Biological nitrogen fixation; 15N isotope;

D O I：

10.16175/j.cnki.1009-4229.2008.02.017

中图分类号：

S566.1 [甘蔗];

学科分类号：

0901 ;

摘要：

[Objective] The study aimed to reveal the biological nitrogen fixation capacity by sugarcane from Brazil under the ecological conditions of Guangxi,and to provide reference for study on the biological nitrogen fixation capacity by sugarcane and related generalization and application. [Method] The 15N isotopic fertilizer was solely applied on plants of three sugarcane cultivars planted in greenhouse with no other fertilizer forms applied,meanwhile virus-free stem seedling was regarded as control,to measure their biological nitrogen fixation capacity using 15N isotope. [Result] The nitrogen fixation rate of B8 from Brazil reached 26.91%,while Guitang 11 and RIC16 presented no or poor nitrogen fixation capacity. [Conclusion] The sugarcane cultivar B8 from Brazil showed some nitrogen fixation capacity under the ecological conditions of Guangxi.

引用

页码：154 / 156

页数：3

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