干旱区生态环境知识资源中心(Arid): 灌溉水矿化度对玛纳斯流域棉花生长影响的试验研究

Arid

	灌溉水矿化度对玛纳斯流域棉花生长影响的试验研究
其他题名	Experimental Study on the Impacts of the Irrigation Water Salinity on Cotton Growth in Manas River Oasis, Xinjiang
	杨传杰 1; 罗毅 2; 孙林 1; 甘容 1; 吴娜 3; 张艳 1; 阿布都外力·吉力力 3
来源期刊	资源科学
ISSN	1007-7588
出版年	2012
卷号	34 期号:4 页码:660-667
中文摘要	合理利用咸水资源对缓解干旱区绿洲农业用水矛盾有重要意义。本文于2010年和2011年在石河子大学节水灌溉试验站研究了矿化度为0.87、2、3、4、6、8g/L的咸水对土壤水盐动态和棉花生长及产量的影响。结果表明,咸水灌溉导致土壤剖面持续积盐,棉花叶面积指数减小,干物质积累减少、产量下降;灌溉水矿化度每提高1g/L,产量降低约391kg/hm~2;土壤根系层(0~60cm)可溶性盐浓度每升高1g/L,产量降低约861kg/hm~2。在灌溉水矿化度2g/L情况下,100cm土层盐分最大累积率2010年为113%,2011年为26%,呈下降趋势,棉花生长、干物质积累及产量受影响较小,可作为该区咸水利用调控参考阈值,指导农业生产。
英文摘要	Oasis agriculture in northwest China has long been confronted with water resources shortage. Groundwater is abundant but it is usually saline water with salinity ranging from 1g/L to 5g/L or more. However, saline water is an important potential water source for oasis irrigation so the reasonable use of that salty water may play a vital role in easing the contradiction of oasis agricultural water in arid region. Field tests have been carried out to investigate the potential impacts of saline water with salinity levels of 0.87g/L, 2g/L, 3g/L, 4g/L, 6g/L, and 8g/L respectively on the trends of salt in soil water and cotton growth and its yield in the Manas River oasis in 2010 and 2011 growth seasons. Besides, soil salinity, cotton stems, leaves and balls were sampled in situ and then measured in the laboratory at weekly intervals. The results indicate that: 1) Salt accumulation increases with the salinity of irrigation water, and only a minor accumulation is found in case of water salinity of 2g/L or less; 2) The saline water has impacts on the growth and biomass accumulation of the cotton plantsstem, leaf, and especially the ball, and as a result, reduces the yield; 3)The higher the water salinity is, the more serious the impacts are. Increasing the irrigation water salt content by 1g/L will cause a cotton yield reduction of 391kg/ha, and increasing the soluble salt concentration in the 0-60 cm soil layer by 1g/L will cause a yield reduction of 861kg/ha; 4) With a water salinity of 2g/L, the maximum salt accumulation rate in 100cm soil layer has declined from 113.4% in 2010 to 26.0% in 2011. Moreover, only minor reductions in cotton yield are found in the case of water salinity of 2g/L, which may imply that 2g/L is a reference threshhold for the regulation and control of salt water use in this region.
中文关键词	滴灌 ; 咸水 ; 土壤盐分 ; 土壤水分 ; 棉花
英文关键词	Drip irrigation Saline water Soil salinity Soil water Cotton
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRONOMY
WOS研究方向	Agriculture
CSCD记录号	CSCD:4510175
来源机构	中国科学院新疆生态与地理研究所 ; 中国科学院地理科学与资源研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/229157
作者单位	1.中国科学院地理科学与资源研究所, 中国科学院生态系统网络观测与模拟重点实验室, 北京 100101, 中国; 2.中国科学院地理科学与资源研究所, 生态系统网络观测与模拟重点实验室;;荒漠与绿洲生态国家重点实验室, 北京 100101, 中国; 3.中国科学院新疆生态与地理研究所, 荒漠与绿洲生态国家重点实验室, 乌鲁木齐, 新疆 830011, 中国
推荐引用方式 GB/T 7714	杨传杰,罗毅,孙林,等. 灌溉水矿化度对玛纳斯流域棉花生长影响的试验研究[J]. 中国科学院新疆生态与地理研究所, 中国科学院地理科学与资源研究所,2012,34(4):660-667.
APA	杨传杰.,罗毅.,孙林.,甘容.,吴娜.,...&阿布都外力·吉力力.(2012).灌溉水矿化度对玛纳斯流域棉花生长影响的试验研究.资源科学,34(4),660-667.
MLA	杨传杰,et al."灌溉水矿化度对玛纳斯流域棉花生长影响的试验研究".资源科学 34.4(2012):660-667.