[1]沈婧丽,杨建国.滴灌条件下不同改良模式对碱化土壤性质和枸杞产量的影响[J].江苏农业学报,2020,(02):343-349.[doi:doi:10.3969/j.issn.1000-4440.2020.02.013]
 SHEN Jing-li,YANG Jian-guo.Effects of different improvement modes on the properties of alkalized soil and the yield of Chinese wolfberry under drip irrigation[J].,2020,(02):343-349.[doi:doi:10.3969/j.issn.1000-4440.2020.02.013]
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滴灌条件下不同改良模式对碱化土壤性质和枸杞产量的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年02期
页码:
343-349
栏目:
耕作栽培·资源环境
出版日期:
2020-04-30

文章信息/Info

Title:
Effects of different improvement modes on the properties of alkalized soil and the yield of Chinese wolfberry under drip irrigation
作者:
沈婧丽12杨建国2
(1.宁夏农林科学院农业资源与环境研究所,宁夏银川750000;2.宁夏农林科学院固原分院,宁夏固原756000)
Author(s):
SHEN Jing-li12YANG Jian-guo2
(1.Institute of Agricultural Resources and Environment, Ningxia Academy of Agricultural and Forestry Sciences,Yinchuan 750000,China;2.Guyuan Branch, Ningxia Academy of Agricultural and Forestry Sciences, Guyuan 756000, China)
关键词:
滴灌碱化土壤改良模式枸杞产量水盐调控
Keywords:
drip irrigationalkalized soilimprovement modeChinese wolfberryyieldwater and salt regulation
分类号:
S275.6
DOI:
doi:10.3969/j.issn.1000-4440.2020.02.013
文献标志码:
A
摘要:
为了确定宁夏河套平原碱化土壤枸杞种植最佳综合技术集成模式,采用田间试验的方法,研究了滴灌+平种、滴灌+开沟+客土回填+限根、滴灌+开沟+原土回填、滴灌+开沟+原土回填+限根4种改良模式对碱化土壤的改良效果和枸杞的增产效果。结果表明,不同改良模式均能提高碱化土壤渗透能力,降低土壤pH、全盐含量和碱化度,提高枸杞的成活率和产量。滴灌+开沟+客土回填+限根模式的砂粒含量最高,该模式能快速改善土壤渗透性能,有效淋洗盐分,使土壤pH、全盐含量、碱化度分别下降到8.93、1.330 g/kg、26.37%,是最有效的碱化土壤改良模式。滴灌+开沟+原土回填+限根模式能使土壤pH、全盐含量、碱化度分别下降到8.97、2.138 g/kg、31.26%,是最经济的碱化土壤改良模式。滴灌+开沟+原土回填+限根模式能提高枸杞的株高、地径和冠幅,增产效果最佳,鲜果产量达5 024.25 kg/hm2,较对照增产52.10%,实现了经济效益和生态效益双赢。
Abstract:
In order to determine the best comprehensive technology integration model of Chinese wolfberry planting in alkalized soil in the Hetao Plain of Ningxia, the field experiment was carried out to investigate the effect of soil improvement and yield increase under four improvement modes(drip irrigation+conventional flat planting, drip irrigation+dig trenches+external soil backfill+root restriction, drip irrigation+dig trenches+original soil backfill, drip irrigation+dig trenches+original soil backfill+root restriction). The results showed that different improvement modes could improve the permeability of alkalized soil, reduce soil pH, total salt content and alkalinity, increase the survival rate and yield of Chinese wolfberry. Drip irrigation+dig trenches+external soil backfill+root restriction was the most effective improvement model of alkalized soil, which could quickly improve soil permeability, effectively leach salt, so that soil pH, total salt content and alkalinity decreased to 8.93, 1.330 g/kg, 26.37%, respectively. Drip irrigation+dig trenches+original soil backfill+root restriction could reduce soil pH, total salt content and alkalinity to 8.97, 2.138 g/kg,31.26%, respectively,which was the most economical improvement model of alkalized soil. Drip irrigation+dig trenches+original soil backfill+root restriction could increase plant height, ground diameter and crown diameter of Chinese wolfberry, and the yield increase effect was the best. Under this mode, the fresh fruit yield reached 5 024.25 kg/hm2, which was 52.10% higher than that of the control, realizing the win-win of economic and ecological benefits.

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备注/Memo

备注/Memo:
收稿日期:2019-10-19基金项目:国家重点研发计划项目子课题(2016YFC0501307-02)作者简介:沈婧丽(1990-),女,宁夏银川人,硕士,主要从事农业土肥水资源高效利用等相关领域研究。(E-mail)lily_s90@163.com通讯作者:杨建国, (E-mail)yjgnx@163.com
更新日期/Last Update: 2020-05-18