Effects of Lycium Barbarum Intercropping with Onobrychis Viciaefolia on Soil Water, Soil Salt Transport, and Yield of L. Barbarum in Different Salinized Soils

Li Xiaomin; Qi Guangping; Kang Yanxia; Wang Jinheng; Cai Linghui; Zhao Min

doi:10.13961/j.cnki.stbctb.2020.01.008

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Effects of Lycium Barbarum Intercropping with Onobrychis Viciaefolia on Soil Water, Soil Salt Transport, and Yield of L. Barbarum in Different Salinized Soils

- Effects of Lycium Barbarum Intercropping with Onobrychis Viciaefolia on Soil Water, Soil Salt Transport, and Yield of L. Barbarum in Different Salinized Soils
- Bulletin of Soiland Water Conservation Vol. 40, Issue 1, Pages: 51-57(2020)
- 作者机构：
  
  1. 甘肃农业大学水利水电工程学院,甘肃,兰州,730070
  2. 甘肃省景泰川电力提灌管理局灌溉试验站, 甘肃景泰,730400
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2020.01.008
  CLC： S156.4;S567.1
- Published：2020
- 稿件说明：
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Li Xiaomin, Qi Guangping, Kang Yanxia, et al. Effects of Lycium Barbarum Intercropping with Onobrychis Viciaefolia on Soil Water, Soil Salt Transport, and Yield of L. Barbarum in Different Salinized Soils[J]. Bulletin of Soiland Water Conservation, 2020, 40(1): 51-57.
DOI：

Li Xiaomin, Qi Guangping, Kang Yanxia, et al. Effects of Lycium Barbarum Intercropping with Onobrychis Viciaefolia on Soil Water, Soil Salt Transport, and Yield of L. Barbarum in Different Salinized Soils[J]. Bulletin of Soiland Water Conservation, 2020, 40(1): 51-57. DOI： 10.13961/j.cnki.stbctb.2020.01.008.

摘要

[目的

]

研究不同盐渍化土壤中枸杞间作红豆草的水盐运移规律及枸杞产量效应，以期为甘肃省引黄灌区枸杞种植模式与盐碱地改良提供理论和技术支撑。[方法

]

设置枸杞单作和枸杞间作红豆草2种种植模式，非盐化（S

）、轻度盐渍化（S

）和中度盐渍化（S

）3种盐渍化程度，分析不同种植模式和盐渍化程度下土壤水盐运移及枸杞产量。[结果

]

与枸杞单作相比，枸杞间作红豆草可显著提高3种盐渍化条件下0-20 cm土层土壤含水率，0-120 cm土层土壤含水率表现为枸杞间作红豆草低于枸杞单作，且非盐化（S

）条件下二者差异最显著（p

0.05）；0-60 cm土层范围内，枸杞间作红豆草的土壤呈脱盐状态，S

，S

条件下的相对脱盐率分别为6.539，3.078，2.455，而枸杞单作的土壤呈盐分累积状态；随着盐渍化程度的加剧，枸杞鲜果百粒重和产量逐渐减小，其中非盐化（S

）和轻度盐渍化（S

）条件下，枸杞间作红豆草的鲜果百粒重、产量均高于枸杞单作，且差异显著（p

0.05）。[结论

]

枸杞间作红豆草在提高表层土壤含水率，降低土壤含盐量的同时，有利于提高枸杞产量，且在非盐化（S

）条件下效果较优。

Abstract

[Objective] The effects of the intercropping of Lycium barbarum with Onobrychis viciaefolia in different saline soils on the water and salt transport mechanism and on the yield of L. barbarum were researched. The aime was to provide a theoretical and technical support for the planting pattern of L. barbarum and the saline-alkali land improvement in the Gansu Yellow River irrigation area.[Methods] Two planting modes were set up

namely:L. barbarum monoculture and L. barbarum intercropping. Further

different degrees of salinization were prepared:non-(S1)

mild (S2)

and moderate (S3) salinization. The variations in soil water and salinity as well as the yield of L. barbarum under different planting modes and salinization degrees were analyzed.[Results] Compared with L. barbarum monoculture

L. barbarum intercropping with O. viciaefolia was observed to significantly increase the soil water content in the 0-20 cm soil layer under three salinization conditions. The soil water content in 0-120 cm soil layer showed that L. barbarum intercropping with O. viciaefolia was lower than that of L. barbarum monocropping

and the difference was most significant under the S1 condition (p<0.05). Moreover

within the 0-60 cm soil layer

the soil of L. barbarum intercropping with O. viciaefolia was desalinated. The relative desalination rates of L. barbarum intercropping with O. viciaefolia were 6.539

3.078

and 2.455 under the conditions of S1

S2 and S3

respectively; whereas the soil of L. barbarum monocropping exhibited a salt accumulation. With an increase in the salinization

the 100-grain weight and the yield of the L. barbarum fresh fruit decreased gradually. Under the conditions of S1 and S2

the 100-grain weight and the yield of L. barbarum intercropped with O. viciifolia were higher than those of the L. barbarum monoculture; this difference was significant (p<0.05).[Conclusion] L. barbarum intercropping with O. viciaefolia can simultaneously improve the water content of the surface soil and reduce the salt content of soil. It is also beneficial to increase the yield of L. barbarum. Moreover

the effect is better under the condition of non-salinization (S1).

关键词

Keywords

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