|本期目录/Table of Contents|

[1]陶美彤,李悦铭,李旭,等.可降解包膜尿素缓释肥的氮素释放规律及对小白菜生长的影响[J].江苏农业科学,2017,45(15):133-136.
 Tao Meitong,et al.Nitrogen release of degradable coated urea slow-release fertilizer and its effect on growth of Chinese cabbage[J].Jiangsu Agricultural Sciences,2017,45(15):133-136.
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可降解包膜尿素缓释肥的氮素释放规律
及对小白菜生长的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年15期
页码:
133-136
栏目:
园艺与林学
出版日期:
2017-08-05

文章信息/Info

Title:
Nitrogen release of degradable coated urea slow-release fertilizer and its effect on growth of Chinese cabbage
作者:
陶美彤1 李悦铭2 李旭1 郭平1
1.吉林大学环境与资源学院/地下水资源与教育部重点实验室,吉林长春 130012;
2.中国电力工程顾问集团东北电力设计院有限公司,吉林长春 130021
Author(s):
Tao Meitonget al
关键词:
膨润土小白菜缓释肥可降解产量
Keywords:
-
分类号:
S634.306+.2
DOI:
-
文献标志码:
A
摘要:
采用盆栽试验比较研究了膨润土含量不同的可降解包膜尿素缓释肥的氮素释放规律及对小白菜生长的影响。结果表明,研究NH4+-N和NO3--N含量在尿素和缓释肥处理中均随时间呈现先增加后减少的趋势,尿素处理分别在14、21 d达到最大值,分别为102.25、30.05 mg/kg,而缓释肥处理分别在21、28 d达到最大值,范围分别为 54~60 mg/kg、2~28 mg/kg。与尿素相比,尿素缓释肥具有比较明显的缓释效果,即使在施肥后期土壤中 NH4+-N和NO3--N的含量也较大,满足了小白菜全生长期的营养需求,小白菜各项生长指标明显提高。此外,缓释肥对小白菜的增产效应随着膨润土含量的增加而提高,当膨润土含量为4.5%时,小白菜产量最高。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2017-02-28
基金项目:国家水污染控制与治理重大专项(编号:2014ZX07201010);吉林省水文水资源局项目(编号:3R216U961425)。
作者简介:陶美彤(1994—),女,辽宁铁岭人,硕士研究生,主要从事土壤污染与生态修复方面的研究。E-mail:1049015592@qq.com。
通信作者:郭平,博士,博士生导师,主要从事土壤污染与生态修复方面的研究。E-mail:guoping@jlu.edu.cn。
更新日期/Last Update: 2017-08-05