咸水灌溉对不同柽柳生长的影响  

Effect of salt water irrigation on the growth of Tamarix chinensis

作　　者：魏海霞[1] 王霞[1] 周健[1] 王莉莉[1] 陈苗苗[1] 杨庆山[1] 

机构地区：[1]山东省林业科学研究院,山东济南250014

出　　处：《山东林业科技》2016年第5期48-51,共4页Journal of Shandong Forestry Science and Technology

基　　金：林业公益性行业科研专项(201404305);山东省农业重大应用技术创新"柽柳新品种标准化栽培关键技术研究与示范";山东省科技发展计划"黄河三角洲困难立地造林技术研究"(2011GGH11036)

摘　　要：盐碱地区造林绿化和沿海防护林建设都面临着淡水资源缺乏的问题。本文通过四因素三水平正交试验研究柽柳的咸水灌溉方案,发现主导作用是品种>灌溉水矿化度>灌水额度>灌溉次数,最佳灌溉方案为选用中国柽柳周年灌溉2次,使用矿化度为15g/L的咸水,灌溉定额为65m^3/666.7m^2。根据大田灌溉咸水后各柽柳种生长情况得出结论:12.6g/L咸水灌溉的各柽柳种生长量显著高于未经咸水灌溉的柽柳种。中国柽柳生长量及耐受能力均最高。大田咸水灌溉伴随雨季雨水淋洗,土壤盐分呈动态变化,耕作层含盐量基本保持平衡,未对林木生长造成影响。Afforestation in saline alkali area and the construction of coastal protective forest are facing the problem of lack of fresh water resources. In this paper, by four factors three level orthogonal test to study the salt water irrigation scheme of Tamarix. It is found that the leading role is varieties 〉 salinity of irrigation water 〉 irrigation amount 〉 irrigation frequency, and optimal irrigation scheme is the selection of Tamarix, annual irrigation 2 times, 15g / L mineralization degree of salt water , 65 m3/ 666.7m2 irrigation amount. According to Tamarix growth by the field irrigation with salt water draws the conclusion： 12.6g/L salt water irrigation, Various of Tamarix growth were significantly higher than those without irrigation with salt water. Tamarix chinensis growth and tolerance were the highest. After salt water irrigation with the rainwater leaching in rainy season , soil salinity presented dynamic changes, and salt content in the cultivated soil maintained a basic balance no impact on tree growth.

关 键 词：柽柳 含盐量 生长量 咸水灌溉 

分 类 号：S793.5[农业科学—林木遗传育种]