干旱区生态环境知识资源中心(Arid): 长期施肥对河西灌漠土无机磷形态的影响

Arid

	长期施肥对河西灌漠土无机磷形态的影响
其他题名	Effects of Long-term Fertilization on Inorganic Phosphorus Forms In Irrigated Desert Soil
	江晶 1; 张仁陟 1; 索东让 2
来源期刊	土壤通报
ISSN	0564-3945
出版年	2010
卷号	41 期号:4 页码:783-787
中文摘要	在长期小麦和玉米轮作的基础上, 通过单施化肥以及化肥与其它有机肥料的配合使用, 研究不同施肥对河西灌漠土无机磷组分的影响. 采用蒋柏藩、顾益初的分级体系[1], 对22年有机肥与化肥定位试验中的耕层土壤无机磷组成进行分级. 结果表明:供试土壤中Ca-P占无机磷绝大多数, 在耕层占71.0%. 无机磷各形态含量排列顺序为:Ca10-P>O-P>Fe-P>Ca8-P>Ca2-P>Al-P. 与不施肥处理比较, 除N处理外各处理均可增加耕层各形态无机磷含量;同时显示厩肥处理对土壤无机磷库的贡献大, 可显著增加总无机磷含量. N处理的耕层土壤中, 作为土壤有效磷源的Ca2-P、Ca8-P、Al-P含量比对照CK还低. 比较2003年与2006年耕层数据, Ca10-P在试验各处理均略有下降, 且下降幅度相近. Ca8-P、Ca2-P、Al-P含量除在CK、N处理下降外, 在其余处理时均有增加;O-P除在CK处理下降外, 在其余处理时也均有增加;Fe-P除在CK、N处理中下降外在M、MN处理时也有小幅度下降, 在加磷的处理中均增加.
英文摘要	Based on long-term rotation of wheat and maize, the objective of the research is to study the effect of long-term chemical N fertilization or the mixture of chemical N fertilizer and other manures on irrigated desert soil in-organic phosphorus components. Inorganic phosphorus forms in irrigated desert soil were quantified in a 22-year fertilization trial using the method proposed by the Jiang-Gu inorganic phosphorus fractionation method. Result showed that ① Of the total Inorganic P(Pi), Ca phosphates(Ca-P) was the dominant Pi fractions, accounted for 71.0% in 0-20cm soil layer.Pi fractions varied in the order of Ca10-P>O-P>Fe-P>Ca8-P>Ca2-P>Al-P.②Long-term application of different fertilizers, except N treatment, could increase the content of different inorganic phosphorus fractions. Especially, the application of animal manure and chemical fertilizers in combination significantly increased the soil inorganic P content.③ In 0-20cm soil, the contents of Ca2-P, Ca8-P and Al-P in the treatment of nitrogen(N) fertilizer less than that in treatment of no fertilizer treatment(CK).④ Compared the results obtained in 2003 and 2006, the contents of Ca10-P in all treatments tended to decline. Except N treatment, the contents of Ca8-P, Ca2-P and Al-P increased. The content of O-P tended to decline under CK treatment but increased in other treatments. The content of Fe-P increased in the treatments with Phosphorus.
中文关键词	灌漠土 ; 长期施肥 ; 无机磷形态
英文关键词	Irrigated desert soil Long-term fertilization Inorganic phosphorus forms
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:3913563
来源机构	甘肃农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/225728
作者单位	1.甘肃农业大学资源与环境学院, 甘肃 730070, 中国; 2.张掖市农科院, 张掖, 甘肃 734000, 中国
推荐引用方式 GB/T 7714	江晶,张仁陟,索东让. 长期施肥对河西灌漠土无机磷形态的影响[J]. 甘肃农业大学,2010,41(4):783-787.
APA	江晶,张仁陟,&索东让.(2010).长期施肥对河西灌漠土无机磷形态的影响.土壤通报,41(4),783-787.
MLA	江晶,et al."长期施肥对河西灌漠土无机磷形态的影响".土壤通报 41.4(2010):783-787.