新疆农业科学 ›› 2024, Vol. 61 ›› Issue (6): 1336-1344.DOI: 10.6048/j.issn.1001-4330.2024.06.005

• 作物遗传育种•种质资源•分子遗传学•耕作栽培•生理生化 • 上一篇    下一篇

春灌定额对棉田水温盐分布及棉花苗期生长发育的影响

付鑫法(), 吕廷波(), 王久龙, 李港强, 宋仁友, 刘一凡   

  1. 石河子大学水利建筑工程学院/现代节水灌溉兵团重点实验室,新疆石河子 832000
  • 收稿日期:2023-10-09 出版日期:2024-06-20 发布日期:2024-08-08
  • 通信作者: 吕廷波(1978-),男,山东临朐人,教授,硕士生导师,研究方向为节水灌溉,(E-mail)lvtingbo@126.com
  • 作者简介:付鑫法(1997-),男,硕士研究生,研究方向为节水灌溉,(E-mail)1349648323@qq.com
  • 基金资助:
    新疆生产建设兵团南疆重点产业创新发展支撑计划(2022DB024)

Effect of spring irrigation quota on water temperature and salt distribution in cotton fields and seedling growth of cotton

FU Xinfa(), LYU Tingbo(), WANG Jiulong, LI Gangqiang, SONG Renyou, LIU Yifan   

  1. College of Water Conservancy & Architectural Engineering, Shihezi University/Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production and Construction Corps,Shihezi University,Shihezi Xinjiang 832000,China
  • Received:2023-10-09 Published:2024-06-20 Online:2024-08-08
  • Correspondence author: LYU Tingbo(1978-),male,from Linqu,Shandong,professor,research direction:water-saving irrigation theory and new technology research,(E-mail)lvtingbo@126.com
  • Supported by:
    Innovation and Development Support Plan for key Industries in Southern Xinjiang of Xinjiang Production and Construction Corps(2022DB024)

摘要:

【目的】研究新疆南疆小海子灌区不同春灌定额对棉田水温盐和棉花苗期生长的影响,为小海子灌区棉花苗期的春灌定额提供科学依据。【方法】设置3个春灌水分处理(W1:1 350 m3/hm2、W2:1 800 m3/hm2、W3:2 250 m3/hm2),分析不同春灌定额对棉田水温盐与棉花苗期生长发育的影响。【结果】0~60 cm土层平均土壤含水率W3处理高于W1和W2处理,在其上部耕作层保水能力更好。W3处理较W1、W2处理不同土壤深度地温低,膜下地温均高于2膜间裸行地温。W1处理表层含盐量低于W2和W3处理,0~50 cm的盐分淋洗率分别为6.77%、22.22%和30.03%,春灌水量越大淋洗盐分的效果越好,50~100 cm土壤平均积盐率分别为-39.89%、-58.95%和-68.91%,随着灌水量的增加,盐分被水分带入深层增多。W1处理棉花幼苗的株高、茎粗与叶面积最大,一定的水分亏缺有利于棉花幼苗的生长。【结论】不同春灌定额均有一定程度的洗盐增墒作用,表现为W3>W2>W1处理。

关键词: 春灌; 土壤水分; 土壤盐分; 土壤温度; 盐分淋洗; 棉田

Abstract:

【Objective】 To study the effects of different spring irrigation quotas on water temperature and salinity in cotton fields and seedling growth of cotton in Xiaohaizi Irrigation District.Provide a certain scientific basis for the reasonable spring irrigation quotas in the southern Xinjiang. 【Methods】 Three water treatments (W1:1,350 m3/hm2, W2:1,800 m3/hm2, W3:2,250m3/hm2) were set up for spring irrigation to analyze the effects of different spring irrigation quotas on water temperature and salinity of cotton fields and cotton seedling growth. 【Results】 The average soil water content in the 0-60 cm soil layer of the W3 treatment was higher than those of the W1 and W2 treatments, and the water retention capacity of the upper tillage layer was better.The W3 treatment had a lower ground temperature at different depths than those of the W1 and W2 treatments, and the ground temperatures between the rows were higher than those between the membranes.The salt content in the surface layer of W1 treatment was lower than those of W2 and W3 treatments, and the salt washing rate of 0-50 cm was 6.77%, 22.22% and 30.03%, respectively, and the larger the amount of spring irrigation water, the better the effect of salt washing, and the average salt accumulation rate of 50-100 cm was -39.89%, -58.95% and -68.91%, respectively, which indicated that with the increase of irrigation water, the salts were carried by the water into the deeper layer and increased.The height, stem thickness and leaf area of cotton seedlings in the W1 treatment were the largest, and a certain degree of water deficit was favorable to the growth of cotton seedlings. 【Conclusion】 Different spring irrigation quotas have a certain degree of salt washing and moisture increase effect, manifested as W3 > W2 > W1 treatment.

Key words: spring irrigation; soil moisture; soil salinity; soil temperature; salt leaching; cotton fields

中图分类号: 


ISSN 1001-4330 CN 65-1097/S
邮发代号:58-18
国外代号:BM3342
主管:新疆农业科学院
主办:新疆农业科学院 新疆农业大学 新疆农学会

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