SOIL PROPERTIES OF USING DRIP IRRIGATION SYSTEMS AT DIFFERENT LEVELS OF SOIL SALINITY IN THE REPUBLIC OF KARAKALPAKSTAN | Академические исследования в современной науке

SOIL PROPERTIES OF USING DRIP IRRIGATION SYSTEMS AT DIFFERENT LEVELS OF SOIL SALINITY IN THE REPUBLIC OF KARAKALPAKSTAN

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Bazarbaev , I. . (2024). SOIL PROPERTIES OF USING DRIP IRRIGATION SYSTEMS AT DIFFERENT LEVELS OF SOIL SALINITY IN THE REPUBLIC OF KARAKALPAKSTAN. Академические исследования в современной науке, 3(34), 26–28. извлечено от https://inlibrary.uz/index.php/arims/article/view/50148
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Аннотация

Soil salinity presents a significant challenge to agricultural productivity in arid regions like the Republic of Karakalpakstan. This study investigates the impact of drip irrigation systems on soil properties at varying levels of salinity. By examining key soil characteristics—such as texture, moisture content, pH, and nutrient availability—before and after the implementation of drip irrigation, we aim to assess the effectiveness of this method in mitigating the adverse effects of salinity on soil health. The findings indicate that drip irrigation significantly improves soil moisture retention and nutrient distribution, particularly in soils with moderate to high salinity levels.


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ACADEMIC RESEARCH IN MODERN SCIENCE

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SOIL PROPERTIES OF USING DRIP IRRIGATION SYSTEMS AT

DIFFERENT LEVELS OF SOIL SALINITY IN THE REPUBLIC OF

KARAKALPAKSTAN

Bazarbaev Islambek Orazalı ulı

Intern teacher of Karakalpakstan Institute of Agriculture and Agrotechnologies

https://doi.org/10.5281/zenodo.13763107

Abstract

. Soil salinity presents a significant challenge to agricultural

productivity in arid regions like the Republic of Karakalpakstan. This study
investigates the impact of drip irrigation systems on soil properties at varying
levels of salinity. By examining key soil characteristics—such as texture,
moisture content, pH, and nutrient availability—before and after the
implementation of drip irrigation, we aim to assess the effectiveness of this
method in mitigating the adverse effects of salinity on soil health. The findings
indicate that drip irrigation significantly improves soil moisture retention and
nutrient distribution, particularly in soils with moderate to high salinity levels.

Keywords:

Soil salinity, drip irrigation, soil properties, Karakalpakstan

agriculture arid regions, sustainable agriculture, saline soils, irrigation methods.

Agriculture in the Republic of Karakalpakstan faces significant challenges

due to its arid climate and widespread soil salinity. These conditions threaten
the region's agricultural productivity, making the need for sustainable farming
practices more urgent than ever. Soil salinity, a common issue in arid and semi-
arid regions, leads to the degradation of soil structure, reduces soil fertility, and
ultimately hinders crop growth [2, 158-165]. As a result, addressing soil salinity
is crucial for ensuring the long-term viability of agriculture in Karakalpakstan.
Karakalpakstan, located in the northwestern part of Uzbekistan, is characterized
by its extreme climatic conditions, where high temperatures and low
precipitation contribute to the accumulation of salts in the soil. The region's
history of extensive irrigation, particularly from the Amu Darya River, has
exacerbated the problem, leading to significant areas of land becoming saline.

Soil salinity not only reduces the land's agricultural potential but also

poses a threat to the livelihoods of the local population, who rely heavily on
agriculture. In response to the challenges posed by soil salinity, drip irrigation
has emerged as a promising solution. Drip irrigation is a method of delivering
water directly to the roots of plants in a controlled and precise manner. Unlike
traditional irrigation methods, such as flood or furrow irrigation, drip irrigation
minimizes water loss through evaporation and runoff. This is particularly
beneficial in saline soils, where water conservation is critical, and where


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conventional irrigation methods often exacerbate salinity problems by causing
salts to accumulate in the root zone [4, 20-31].

This study aims to evaluate the impact of drip irrigation systems on soil

properties across different levels of soil salinity in Karakalpakstan. By focusing
on key soil characteristics—such as texture, moisture content, pH, and nutrient
availability—this research seeks to determine how effectively drip irrigation can
mitigate the adverse effects of soil salinity. The study also aims to provide
practical recommendations for farmers and policymakers in the region to
improve agricultural productivity and sustainability.

This study employs a systematic methodological approach to assess the

impact of drip irrigation systems on soil properties under varying levels of soil
salinity in the Republic of Karakalpakstan. The approach involves selecting
representative study sites, implementing experimental treatments, collecting
data, and analyzing the results to draw conclusions about the effectiveness of
drip irrigation in managing soil salinity.

Site Selection Criteria: The study was conducted across multiple sites in

Karakalpakstan, chosen based on their soil salinity levels (non-saline, slightly
saline, moderately saline, and highly saline) and soil types (sandy, loamy, and
clayey). These sites were selected to represent the diverse agricultural
conditions of the region. Proximity to existing agricultural activities and access
to water sources were also considered. Experimental Layout: At each site, plots
were established to implement drip irrigation. Each plot was divided into
subplots based on the soil salinity level to observe the differential effects of drip
irrigation. Control plots using traditional irrigation methods (e.g., flood or
furrow irrigation) were also maintained for comparison. Crops Selected: Cotton
and wheat, which are key crops in the region, were chosen for the study. These
crops were planted in both the experimental (drip irrigation) and control
(traditional irrigation) plots. The choice of crops was based on their economic
importance and sensitivity to soil salinity.

Irrigation Infrastructure: Drip irrigation systems were installed at each

experimental plot. The systems included drip lines with emitters spaced
according to the crop type and planting density. The water source for the
irrigation systems was typically from local canals, and water was filtered to
prevent clogging of the emitters. Irrigation Scheduling: Irrigation was scheduled
based on the crop water requirements, which were calculated using local
climatic data, soil moisture levels, and the growth stages of the crops. The
frequency and duration of irrigation were adjusted to maintain optimal soil


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moisture levels while minimizing water waste and preventing salt buildup in the
root zone.

Field conditions, such as uneven terrain and varying soil types, presented

challenges in maintaining consistent irrigation across all plots. These factors
were accounted for in the analysis but may have introduced variability into the
results. Environmental factors, such as extreme temperatures and equipment
malfunctions, occasionally affected data collection. Backup methods were
employed where possible, but these constraints are noted as potential
limitations. While the study provides valuable insights into the short-term
effects of drip irrigation on soil properties, long-term monitoring would be
necessary to fully understand the sustainability of this irrigation method in
highly saline environments.

Conclusion.

Drip irrigation systems effectively improved soil moisture content

compared to traditional irrigation methods. This enhanced moisture availability,
which is crucial for crop growth in saline environments. Drip irrigation’s
localized water delivery helped maintain optimal moisture levels in the root
zone, reducing water wastage and minimizing salt accumulation at the soil
surface.

Crops grown under drip irrigation systems generally exhibited better

growth and higher yields compared to those under traditional irrigation
methods. This improvement was attributed to the better soil conditions and
more efficient water use facilitated by drip irrigation. Overall, this study
underscores the potential of drip irrigation to address the challenges of soil
salinity and improve soil and crop health in Karakalpakstan. By adopting and
optimizing drip irrigation systems, farmers can achieve more efficient water use,
better soil conditions, and enhanced agricultural outcomes.

References:

1. Fan, W., & Li, G. (2018, February). Effect of soil properties on Hydraulic
characteristics under subsurface drip irrigation. In IOP Conference Series: Earth
and Environmental Science (Vol. 121, No. 5, p. 052042). IOP Publishing.
2. Mubarak, I., Mailhol, J. C., Angulo-Jaramillo, R., Ruelle, P., Boivin, P., &
Khaledian, M. (2009). Temporal variability in soil hydraulic properties under
drip irrigation. Geoderma, 150(1-2), 158-165.
3. Selim, T., Bouksila, F., Berndtsson, R., & Persson, M. (2013). Soil water and
salinity distribution under different treatments of drip irrigation. Soil Science
Society of America Journal, 77(4), 1144-1156.
4. Wang, R., Wan, S., Sun, J., & Xiao, H. (2018). Soil salinity, sodicity and cotton
yield parameters under different drip irrigation regimes during saline wasteland
reclamation. Agricultural water management, 209, 20-31.

Библиографические ссылки

Fan, W., & Li, G. (2018, February). Effect of soil properties on Hydraulic characteristics under subsurface drip irrigation. In IOP Conference Series: Earth and Environmental Science (Vol. 121, No. 5, p. 052042). IOP Publishing.

Mubarak, I., Mailhol, J. C., Angulo-Jaramillo, R., Ruelle, P., Boivin, P., & Khaledian, M. (2009). Temporal variability in soil hydraulic properties under drip irrigation. Geoderma, 150(1-2), 158-165.

Selim, T., Bouksila, F., Berndtsson, R., & Persson, M. (2013). Soil water and salinity distribution under different treatments of drip irrigation. Soil Science Society of America Journal, 77(4), 1144-1156.

Wang, R., Wan, S., Sun, J., & Xiao, H. (2018). Soil salinity, sodicity and cotton yield parameters under different drip irrigation regimes during saline wasteland reclamation. Agricultural water management, 209, 20-31.

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