State of Saxaul Plantations in Kazakhstan’s Section of the Aral Sea Region

Salmukhanbetova, Zhuldyz; Imanalinova, A. A.; Dimeyeva, L. A.; Zverev, N.E.

doi:10.29258/cajwr/2020-r1.v7-1/128-157.eng

Cited by 2 publications

(1 citation statement)

References 14 publications

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“…Thus, the survival rate of plants with deep (35-40 cm) boardless plowing was 86%, and in the control area (ordinary plowing to a depth of 22-25 cm) the survival rate was 80%, and in the second year, the survival rate was 73 and 55%, respectively. The same patterns were demonstrated by Salmukhanbetova et al (2021) in their observations in the Caspian region.…”

Section: Discussionsupporting

confidence: 80%

Growth and Development of the Black Saxaul Depending on Tillage in Arid Conditions of Kazakhstan

Akhmetov,

Dosmanbetov,

Rakhimzhanov

et al. 2023

OnLine Journal of Biological Sciences

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The study aimed to develop technology for the artificial cultivation of saxaul plantations with minimal labor and money, allowing for achieving a high survival rate, growth intensity, and crop development. The Samara State Institution for the Protection of Forests and Wildlife studied the effectiveness of creating forest plantations using various tillage methods. Four soil preparation systems served as experiment variants. The authors concluded that sweeping tillage to a depth of 40 cm was the best option for growing black saxaul forest plantations because it ensured high efficiency and increased plant growth and survival. Preliminary soil preparation increased saxaul plant height growth by 40.3-48.5% compared to the control variant without soil preparation. Mouldboard fall plowing to a depth of 25-27 cm and sweep tillage to a depth of 40 cm increased the survival rate of black saxaul plants by 13.5% and 16.8%, respectively, compared to the variant without soil preparation. The condition of forest plantations in variants with preliminary soil preparation corresponds to the C1 and C2 indices, whereas without soil preparation, the index decreases to C3.

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Section: Discussionsupporting

confidence: 80%

Growth and Development of the Black Saxaul Depending on Tillage in Arid Conditions of Kazakhstan

Akhmetov,

Dosmanbetov,

Rakhimzhanov

et al. 2023

OnLine Journal of Biological Sciences

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Effect of vegetation introduction versus natural recovery on topsoil properties in the dried Aral Sea bed

Kim,

Ahn,

Chang

et al. 2024

Land Degrad Dev

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Desiccation of the Aral Sea has resulted in the emergence of vast saline and flat terrains, jeopardizing human health and agricultural activities because of sand and dust storms. Vegetation, mainly indigenous Haloxylon species, has been introduced to ameliorate the soil. As a critical indicator of rehabilitation, the physicochemical properties of soil after the introduction of vegetation remain poorly understood. This study examined (1) the changes in topsoil properties after vegetation establishment based on a 30‐year chronosequence and employed (2) site comparisons of topsoil properties between two cases of natural versus introduced vegetation on a dried Aral Sea bed. Twelve paired areas that were naturally or artificially vegetated during 1990, 2000, 2005, 2008, 2013, and 2017 were selected for examination. Irrespective of vegetation type, increases in organic matter and nutrients (TOC >90%, TN >143%, and P2O5 >23%) were detected in the surface soil (0–10 cm) along the 30‐year chronosequence. In addition, decreases in ECe (92% and 69%), CEC (41% and 11%), Ca2+ (38% and 12%), and TIC (81% and 11%) were observed in both natural and introduced vegetation, respectively. The introduced vegetation was associated with a slightly greater accumulation of soil K+ and TN than the natural vegetation. Our results indicate vegetation‐derived nutrient and organic matter accumulation as well as the possible removal of salts by root exudates in the surface soil. Overall, vegetation contributed to soil amelioration, with similar effects observed at naturally and artificially vegetated sites.

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State of Saxaul Plantations in Kazakhstan’s Section of the Aral Sea Region

Cited by 2 publications

References 14 publications

Growth and Development of the Black Saxaul Depending on Tillage in Arid Conditions of Kazakhstan

Growth and Development of the Black Saxaul Depending on Tillage in Arid Conditions of Kazakhstan

Effect of vegetation introduction versus natural recovery on topsoil properties in the dried Aral Sea bed

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