微咸水灌溉对土壤盐分和春玉米生长发育的影响

›› 2010, Vol. 22 ›› Issue (6): 813-817.

微咸水灌溉对土壤盐分和春玉米生长发育的影响

杨建国¹ ,樊丽琴¹ ,邰日坤²,王诗景²，尚红莺¹，杜永霞³，纪立东¹，刘新琴⁴

¹宁夏农林科学院农业资源与环境研究所, 宁夏银川 750002；² 中国农业大学水利与土木工程学院, 北京 100083;³宁夏石嘴山市惠农区农业综合开发办公室，宁夏石嘴山 753200；⁴宁夏石嘴山市惠农区水务局，宁夏石嘴山 753200

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-11-25 发布日期:2010-11-25

Effect of irrigation with brackish water on soil salinity and spring maize growth

YANG Jian-guo;FAN Li-qin;TAI Ri-kun;WANG Shi-jing;SHANG Hong-ying;DU Yong-xia;JI Li-dong;LIU Xin-qin

¹Institute of Agricultural Resources and Environment, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China; ² College of Water Conservancy and Civil Engineering, China Agricultural University, Beijing 100083, China;³Agricultural Comprehensive Development Office of Huinong District of Shizuishan City of Ningxia, Shizuishan 753200, China; ⁴ Water Affairs Bureau of Huinong District of Shizuishan City of Ningxia, Shizuishan 753200, China

Received:1900-01-01 Revised:1900-01-01 Online:2010-11-25 Published:2010-11-25

摘要/Abstract

摘要： 通过田间小区试验,研究了3 g/L微咸水灌溉对土壤盐分动态和春玉米生长发育的影响。结果表明,用矿化度为3 g/L的微咸水灌溉可在土体中积累较多的盐分,对春玉米叶面积、株高、叶绿素含量、干物质、产量均有不良影响,玉米叶面积在玉米生长后期减少速度较快,干物质积累相对减少,玉米产量下降。在干旱年份微咸水灌溉致使玉米产量下降了28.0%,多雨年份玉米产量下降了10.4%,井渠混灌在干旱和多雨年份玉米产量则分别下降了14.0%和7.4%。

关键词: 微咸水灌溉, 春玉米, 土壤盐分

Abstract: Through field plot experiment,the effect of brackish water irrigation on dynamic change in soil salts as well as growth and yields of spring maize were studied. The results showed that brackish water containing 3 g·L^-1 mineralization resulted in accumulation of salt in soil profile, and decreases in leaf area, plant height, leaf chlorophyll content, dry matter and yield of spring maize. The decrease in maize leaf area was faster in later period of maize growth. The decrease in accumulation of dry matter caused lower maize yields. Brackish water irrigation caused 28% loss of maize yields in the dry year, and 10.4% loss in the rainy year. Maize yield with well-canal combining irrigation in the dry year and the rainy year declined 14% and 7.4% respectively．

Key words: brackish water irrigation, spring maize, soil salinity

杨建国;樊丽琴;邰日坤;王诗景;尚红莺;杜永霞;纪立东;刘新琴. 微咸水灌溉对土壤盐分和春玉米生长发育的影响[J]. , 2010, 22(6): 813-817.

YANG Jian-guo;FAN Li-qin;TAI Ri-kun;WANG Shi-jing;SHANG Hong-ying;DU Yong-xia;JI Li-dong;LIU Xin-qin. Effect of irrigation with brackish water on soil salinity and spring maize growth[J]. , 2010, 22(6): 813-817.

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