Water Saving Technology for Leaching Salinity of Irrigated Lands: A Case Study From Bukhara Region of Uzbekistan

Khamidov, Mukhamadkhan; Khamraev, Kamol; Azizov, Shokhrukh; Akhmedjanova, Gulnora

doi:10.31838/jcr.07.01.99

Cited by 4 publications

(2 citation statements)

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“…Over half of Uzbekistan's irrigated land is saline to one degree or another [1]. With the drying up of the Aral Sea, this process is intensifying, as evidenced by a large number of salt storms in the spring of 2019 in the country's northern territories and the salt and sand storms that took place in the summer of 2021.…”

Section: Introductionmentioning

confidence: 99%

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Technologies to reduce water waste during land leaching and cultivation of industrial crops

Begmatov,

Khajiyev

2023

E3S Web of Conf.

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More than half of Uzbekistan's irrigated land is saline to some degree. The drying up of the Aral Sea has intensified this process. For many years, chronic salt storms in the northern part of the country have sprayed large quantities of salt onto agricultural land, leading to increased salinization. These processes cause the water required to flush saline soils year after year. The problem is exacerbated by water shortages worldwide, including in Central Asia. This requires the leaching of saline soils and a multiplication of the water used in crop cultivation. Therefore, alternative use of water resources in our country is one of the most important issues for agriculture. The introduction of salt leaching and cultivation in farms based on outdated technologies and the low efficiency of new technologies (bio-solvent washing, etc.) in the production of new salt leaching and cultivation remain a negative obstacle for the economic development of farms and the country as a whole. The analysis shows that in our country, billions of cubic meters of water are used to flush saline soils and cultivate agricultural crops. Still, only 60% of this water reaches the fields where crops are grown, while the rest of it disappears into the irrigation systems and irrigation processes (canals, ditches, and branch lines). When providing water resources for soil salinization and cultivation using trapezoidal canals, part of the water flowing through them dissolves and filters the mineral and organic fertilizers in the soil due to air pressure and gravity; as a result, up to 30% of water is lost (wasted). In this paper, the water resources for soil washing and crop cultivation are replaced by a parabolic excavator with a trapezoidal boom, designed to save up to 30% of water resources.

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Section: Introductionmentioning

confidence: 99%

“…The introduction of salt leaching and cultivation based on obsolete technologies and low efficiency of new salt leaching (use of biosolvents) and cultivation technologies in farms remain a negative obstacle to the economic development of farms and the country as a whole [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Technologies to reduce water waste during land leaching and cultivation of industrial crops

Begmatov,

Khajiyev

2023

E3S Web of Conf.

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Reclamation of heavy coastal silt saline soil and optimal tomato production through a drip irrigation system with saline water

Feng

Sun

et al. 2022

Plant Soil

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Water-saving irrigation technologies for cotton in the conditions of global climate change and lack of water resources

Khamidov

Khamraev

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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The article presents the results of the experiments on the study of irrigation technologies of cotton in the conditions of grassy-alluvial, saline, and medium loam soil of the Bukhara oasis by lying black film on cotton furrows and using polymer complexes. In field experiments, irrigation technology was carried out by using the irrigation received moisture content of the soil recommended for grassy-alluvial, saline, and medium loam soil of the Bukhara oasis at 70-80-65% compared to LSMC. When the cotton was irrigated 4 times according to the scheme 1-3-0 with irrigation norms of 767, 604, 622, 644 cbm/ha and seasonal irrigation rate of 2637 cbm/ha by covering furrows with the black film and 1818 cbm/ha compared to the control option, the river water was economized and the yield was higher which was 46.8 h/ha. Even when irrigated by using polymer complexes, cotton was irrigated 4 times according to scheme 1-3-0 with irrigation norms of 779, 616, 650, 667 cbm/ha and seasonal irrigation rate of 2712 cbm/ha by using polymer complexes and in this regard, 1743 cbm/ha of the river water as compared to the control option was saved while the yield was 44.8 h/ha. Increased cotton yield by 3.0-5.0 h/ha and saving river water by up to 30-40% was achieved through the irrigation technology by using the screen, which was created by covering the black film and polymer complexes.

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Water Saving Technology for Leaching Salinity of Irrigated Lands: A Case Study From Bukhara Region of Uzbekistan

Cited by 4 publications

References 1 publication

Technologies to reduce water waste during land leaching and cultivation of industrial crops

Technologies to reduce water waste during land leaching and cultivation of industrial crops

Reclamation of heavy coastal silt saline soil and optimal tomato production through a drip irrigation system with saline water

Water-saving irrigation technologies for cotton in the conditions of global climate change and lack of water resources

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