Ammonia volatilization and availability of Cu,Zn induced by applications of urea with and without coating in soils

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成果类型：

期刊论文

作者：

Jiang, Zhaohui;Zeng, Qingru*;Tie, Boqing;Liao, Bohan;Pi, Hejie;...

通讯作者：

Zeng, Qingru

作者机构：

[Jiang, Zhaohui] Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China.

[Liao, Bohan; Feng, Xiaoyou; Sun, Yulin; Tie, Boqing; Zeng, Qingru; Pi, Hejie] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

[Jiang, Zhaohui] Changsha Univ Sci & Technol, Coll Chem & Biol Engn, Changsha 410004, Hunan, Peoples R China.

[Jiang, Zhaohui] CNRS, ICARE, F-45071 Orleans 02, France.

通讯机构：

[Zeng, Qingru] H

Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

语种：

英文

关键词：

ammonia volatilization;coated urea;soil;metal element

关键词(中文)：

土壤类型;尿素处理;氨挥发;可用性;土壤PH值;铜;锌;洞庭湖平原

期刊：

环境科学学报(英文版)

ISSN：

1001-0742

年：

2012

卷：

期：

页码：

177-181

DOI：

10.1016/S1001-0742(11)60742-0

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [30770389]; Hunan Province Science and Technology Project [2009FJ3156]

机构署名：

本校为第一且通讯机构

院系归属：

资源环境学院

生物科学技术学院

摘要：

Ammonia volatilization and the distribution of Cu and Zn were investigated in two types of soil treated with coated and uncoated urea. The rate of ammonia volatilization in two weeks after fertilizing with coated urea was 8% in soil 1 (soil derived from river alluvial deposits in Dongting Lake Plain) and 5.15% in soil 2 (red soil derived from quaternary red clay), about half the rates observed when fertilizing with common urea, implying that the hydrolysis speed of the coated urea was lower than for common urea, and that the coated urea can increase nitrogen use efficacy. As for the availabili...

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Ammonia volatilization and availability of Cu,Zn induced by applications of urea with and without coating in soils

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