太湖地区稻田氮肥吸收及其利用的研究

应用生态学报 ›› 2003, Vol. ›› Issue (11): 2081-2083.

• 研究报告 • 上一篇

太湖地区稻田氮肥吸收及其利用的研究

宋勇生, 范晓晖

中国科学院南京土壤研究所, 南京 210008

收稿日期:2003-02-27 修回日期:2003-05-28 出版日期:2003-11-15
通讯作者: 范晓晖
基金资助:
国家重点基础研究发展规划项目(G1999011802);中国科学院知识创新工程项目(KZCX24133);国家自然科学基金重大资助项目(30390080)

Nitrogen uptake and its utilization by rice in paddy field of Taihu area

SONG Yongsheng, FAN Xiaohui

Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

Received:2003-02-27 Revised:2003-05-28 Online:2003-11-15

摘要/Abstract

Abstract: The effects of different amounts and kinds of nitrogen fertilizer on rice yield and its nitrogen uptake and utilization were studied on a main paddy soil (Wushan soil) of Taihu area. The results indicated that the optimal amount of nitrogen fertilizer was about 180 kg N·hm^-2 for rice production. Applying ammonium sulfate was better than applying urea for increasing rice yield. The efficiency of nitrogen fertilizer in this experiment was about 41.8～48.5%, and its loss was 22.8～38.1%.

Key words: Rice, Nitrogen fertilizer, Nitrogen utilization efficiency

中图分类号:

S143

宋勇生, 范晓晖. 太湖地区稻田氮肥吸收及其利用的研究[J]. 应用生态学报, 2003, (11): 2081-2083.

SONG Yongsheng, FAN Xiaohui . Nitrogen uptake and its utilization by rice in paddy field of Taihu area[J]. Chinese Journal of Applied Ecology, 2003, (11): 2081-2083.

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太湖地区稻田氮肥吸收及其利用的研究

Nitrogen uptake and its utilization by rice in paddy field of Taihu area

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