起垄沟播和常规平播下滴灌棉田土壤水盐的运移

干旱区研究 ›› 2019, Vol. 36 ›› Issue (2): 307-313.

起垄沟播和常规平播下滴灌棉田土壤水盐的运移

孙池涛^1,2，张俊鹏²，张谦³，冯棣¹，冯国艺³，孙景生¹；林永增³

1. 中国农业科学院农田灌溉研究所/农业部作物需水过程与调控重点实验室，河南新乡 453000；2. 山东农业大学水利土木工程学院，山东泰安 271018；3. 河北省农林科学院棉花研究所/农业部黄淮海半干旱区棉花生物学与遗传育种重点实验室，河北石家庄 050051

收稿日期:2018-06-25 修回日期:2018-10-30 出版日期:2019-03-15 发布日期:2019-03-12
通讯作者: 孙景生.
作者简介:孙池涛(1988-)，男，讲师，博士，研究方向为盐碱地改良及作物高效用水机理. E-mail: chitaosun@sdau.edu.cn；sunchitao@163.com
基金资助:
国家自然科学基金项目(51609248，51179193)；现代农业棉花产业技术体系建设专项(CARS-15-13)；山东省自然科学基金(ZR2018BEE048)资助

Soil Water and Salt Migration in Cotton Field in Ridge Furrow Planting andConventional Flat Planting under Drip Irrigation

SUN Chi-tao^1,2, ZHANG Jun-peng², ZHANG Qian³, FENG Di¹, FENG Guo-yi³, SUN Jing-sheng^1,2, LIN Yong-zeng³

1. Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences/Key Laboratory for Crop Water Requirement and Regulation under Ministry of Agriculture, Xinxiang 453000, Henan, China; 2. College of Water Conservancy and Civil Engineering, Shandong Agricultural University, Taian 271018, Shandong, China; 3. Institute of Cotton Research, Hebei Academy of Agricultural and Forestry Sciences/Key Laboratory of Biology and Genetic Improvement of Cotton in Huanghuaihai Semiarid Area, Shijiazhuang 050051, Hebei, China

Received:2018-06-25 Revised:2018-10-30 Online:2019-03-15 Published:2019-03-12

摘要/Abstract

摘要： 为明确滴灌条件下植棉方式对土壤水盐运移的影响，采用田间调查与室内分析相结合的方法，在滨海重度盐碱地开展了起垄沟播和常规平播植棉方式下的水盐运移试验，调查了滴灌前后两种植棉方式不同点位及不同土壤深度的土壤水分、盐分和土壤溶液电导率等指标，分析不同植棉方式土壤水分、盐分和土壤溶液电导率的时空分布特征。结果表明：滴灌条件下起垄沟播的水分入渗深度和盐分淋洗深度均明显大于常规平播植棉方式，起垄沟播植棉膜下(0~20 cm)土壤溶液电导率明显低于常规平播植棉；滴灌对两种种植方式膜外土壤水分和盐分运移未产生明显影响。起垄沟播联合滴灌技术更有利于为棉花生长的水盐环境。研究结果可为盐碱地植棉提供理论参考和实践依据。

关键词: 栽培方式, 盐碱地, 滴灌, 棉田, 水盐运移, 电导率, 河北

Abstract: In this study, two typical cotton planting ways, i.e. the ridge furrow planting and conventional flat planting, were selected in the coastal area with severe soil salinization so as to clarify the effect of different cotton transplanting ways on soil water and salt migration under drip irrigation. The soil moisture content, soil salinity and soil solution conductivity at different sites and depths were investigated before and after drip irrigation. Spatial and temporal distribution characteristics of soil moisture content, soil salinity and soil solution conductivity were analyzed. The result showed that the depth of soil water infiltration and salt leaching in ridge furrow treatment was deeper than that of conventional flat planting treatment, and the soil solution concentration in 0-20 cm soil layer in ridge furrow planting pattern was lower than that of conventional flat planting treatment. There was no significant difference in soil water and salt migration outside the plastic film mulch under the two treatments. The combined drip irrigation technology in ridge furrow planting was more conducive to providing a suitable water and salt environment for cotton growth. This study could provide both theoretical and practical references for cotton cultivation in saline soil.

Key words: planting pattern, saline alkali soil, drip irrigation, cotton field, water and salt migration, conductivity, Hebei Province

孙池涛, 张俊鹏, 张谦, 冯棣, 冯国艺, 孙景生, 林永增. 起垄沟播和常规平播下滴灌棉田土壤水盐的运移[J]. 干旱区研究, 2019, 36(2): 307-313.

SUN Chi-tao, ZHANG Jun-peng, ZHANG Qian, FENG Di, FENG Guo-yi, SUN Jing-sheng, LIN Yong-zeng. Soil Water and Salt Migration in Cotton Field in Ridge Furrow Planting andConventional Flat Planting under Drip Irrigation[J]. Arid Zone Research, 2019, 36(2): 307-313.

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