A preliminary study on quantification of biological nitrogen fixation in sugarcane grown in Sevanagala in Sri Lanka

被引：2
作者：
Abeysingha, N. S. [1 ]
Weerarathne, C. S. [2 ]
机构：
[1] Rajarata Univ Sri Lanka, Dept Soils & Water Resources Management, Fac Agr, Puliyankulama, Anuradhapura, Sri Lanka
[2] Pelwatte Sugar Ind Co, Colombo 04, Sri Lanka
来源：
JOURNAL OF THE NATIONAL SCIENCE FOUNDATION OF SRI LANKA | 2010年 / 38卷 / 03期
关键词：
Biological nitrogen fixation; (15)N natural abundance technique; sugarcane; NATURAL-ABUNDANCE TECHNIQUE; CANE;
D O I：
10.4038/jnsfsr.v38i3.2311
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The extent of nitrogen(N) fixation in sugarcane grown in reddish brown earth soils in Sevanagala was determined using the difference in (15)N abundance in the top visible dewlap leaves of sugarcane (variety CO 775, SL 8306) compared to those of neighbouring weeds. Results indicate that biological N(2) fixation contributed to an average of 18% of the total N in sugarcane in the study site.
引用
收藏
页码：207 / 210
页数：4
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