长期灌溉施肥对半干旱区褐土氮、磷和钾库的影响Ⅰ.对褐土农田土壤氮库的影响

生态学杂志 ›› 2004, Vol. ›› Issue (5): 13-18.

长期灌溉施肥对半干旱区褐土氮、磷和钾库的影响Ⅰ.对褐土农田土壤氮库的影响

刘作新¹, 郑昭佩^1,2, 冯燕萍³, 李桂芳¹

1. 中国科学院沈阳应用生态研究所, 沈阳, 110016;
2. 山东师范大学人口资源与环境学院, 济南, 250014;
3. 鞍山市科学技术情报研究所, 鞍山, 114002

收稿日期:2004-04-23 修回日期:2004-05-25 出版日期:2004-10-10
通讯作者: 刘作新,男,1954年生,博士,研究员,博士生导师.主要从事土壤物理与节水农业和农业生态研究,发表论文70余篇.
基金资助:
辽宁省“十五”科技攻关重中之重项目(200121001);国家“863”计划节水农业重大专项(2002AA2Z4321)资助项目

Effect of long-term irrigation and fertilization on nitrogen,phosphorous,and potassium pools of cinnamon soil in semi-arid area IEffect on nitrogen pool of cinnamon soil farmland

LIU Zuoxin¹, ZHENG Zhaopei^1,2, FENG Yanping³, LI Guifang¹

1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
2. College of Population, Resource and Environment, Shandong Normal University, Jinan 250014, China;
3. Institute of Scientific and Technological Information, Anshan 114002, China

Received:2004-04-23 Revised:2004-05-25 Online:2004-10-10

摘要/Abstract

摘要： 采用二次回归通用旋转组合设计,在辽西半干旱区进行了长期田间试验,研究灌水、施氮、施磷和施秸秆对土壤氮素含量的影响。结果表明,灌水在促进作物生长和提高产量的同时,使得土壤中的全氮和水解氮含量有所降低,施氮肥能够提高土壤中的氮素含量,土壤氮素含量随着磷肥施用量的增加先降低后增加,施秸秆能显著提高土壤氮素含量特别是水解氮含量。因此,秸秆施用是保持和提高土壤氮素营养的有效措施。

关键词: 重金属离子, 凡纳滨对虾, 肝胰脏, 鳃丝, 血液, SOD

Abstract: With quadratic regression general rotation design,a long-term field trial was carried out in the semi-arid area of western Liaoning,to study the effects of irrigation and fertilization on soil nitrogen pool.The results showed that the contents of soil total nitrogen and hydrolyzable nitrogen can be reduced by irrigation.Soil nitrogen content was increased by the application of N fertilizer.Soil nitrogen content declined at first and then increased with the increasing application of phosphorous fertilizer.Soil nitrogen,especially hydrolyzable nitrogen,was remarkably improved with straw mulching application.Therefore,straw mulching is an efficient measure to maintain and improve the regime of soil nitrogen nutrition.

Key words: Heavy metal ions, Itopenaeus vannamei, Hepatopancreas, Gill, Blood, SOD

中图分类号:

S158

刘作新, 郑昭佩, 冯燕萍, 李桂芳. 长期灌溉施肥对半干旱区褐土氮、磷和钾库的影响Ⅰ.对褐土农田土壤氮库的影响[J]. 生态学杂志, 2004, (5): 13-18.

LIU Zuoxin, ZHENG Zhaopei, FENG Yanping, LI Guifang. Effect of long-term irrigation and fertilization on nitrogen,phosphorous,and potassium pools of cinnamon soil in semi-arid area IEffect on nitrogen pool of cinnamon soil farmland[J]. cje, 2004, (5): 13-18.

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