干旱区生态环境知识资源中心(Arid): 微水溶性胶结包膜肥料氮素释放速率与预测

Arid

	微水溶性胶结包膜肥料氮素释放速率与预测
其他题名	Nitrogen release rate and prediction of micro water soluble cement and coated fertilizer
	肖强 1; 隗公臣 2; 吕东 3; 孙鹏 4; 衣文平 1; 倪小会 1; 徐秋明 1; 李丽霞 1; 曹兵 1
来源期刊	干旱地区农业研究
ISSN	1000-7601
出版年	2016
卷号	34 期号:1 页码:108-113
中文摘要	应用恒温培养试验研究了适用于半干旱气候条件下的微水溶性胶结包膜肥料在不同土壤含水量条件下的氮素释放速率,并基于一级化学反应、采用田间试验数据构建了氮素释放预测方程。结果显示: 微水溶性胶结包膜肥料氮素累积释放量与土壤含水量呈一定的正相关关系,在75 d左右的时候,在22%土壤含水量下其氮素释放达到了85% ~ 90%,14%土壤含水量下达到了60% ~ 82%,6%土壤含水量下达到了35% ~ 42%。同时,田间试验结果也说明了微水溶性胶结包膜肥料氮素瞬时释放速率受降雨及土壤含水量的影响显著; 在降雨后或土壤含水量高的情况下,微水溶性胶结包膜肥料的释放速率加快。在此基础上,通过最小二乘法求参等方式构建了以土壤含水量为主要因子的微水溶性胶结包膜肥料氮素释放预测方程,预测值与实测值拟合程度较好,决定系数达到了0.976。
英文摘要	Incubation test was used to investigate nitrogen release rate of micro water soluble felted and coated fertilizer that was applied to semiarid climatic environment under the condition of different soil moisture levels,and a prediction equations was built based on the one-level chemical reaction and the field test.The results showed that the accumulation of nitrogen release was positively correlated with soil water content.At 75 days when soil water contents were 22%,14% and 6%,the nitrogen releases reached 85% ~ 90%,60% ~ 82%,and 35% ~ 42%,respectively. In addition,the field experiments implied that nitrogen release rate was significantly influenced by rainfall and soil water content.After a rainfall or under high soil moisture conditions,nitrogen release rate became increased and vice versa.Therefore,a prediction equation was built through the least square method for parameters and soil water content was the main parameter.The predicted values fitted well with the measured values with an R2 = 0.976.
中文关键词	微水溶性胶结包膜肥料 ; 半干旱气候 ; 氮素释放速率 ; 预测
英文关键词	micro-water soluble felted and coated fertilizer arid and semi-arid area nitrogen release rate prediction
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:5623267
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/234183
作者单位	1.北京市农林科学院植物营养与资源研究所, 北京市缓控释肥料工程技术研究中心, 北京 100097, 中国; 2.北京市房山区农业科学研究所, 北京 100015, 中国; 3.鞍山市国土资源勘测设计院, 鞍山, 辽宁 114002, 中国; 4.辽宁省国土资源厅征转用地管理处, 沈阳, 辽宁 110032, 中国
推荐引用方式 GB/T 7714	肖强,隗公臣,吕东,等. 微水溶性胶结包膜肥料氮素释放速率与预测[J],2016,34(1):108-113.
APA	肖强.,隗公臣.,吕东.,孙鹏.,衣文平.,...&曹兵.(2016).微水溶性胶结包膜肥料氮素释放速率与预测.干旱地区农业研究,34(1),108-113.
MLA	肖强,et al."微水溶性胶结包膜肥料氮素释放速率与预测".干旱地区农业研究 34.1(2016):108-113.