MODERN EDUCATION AND DEVELOPMENT
Выпуск журнала №-23
Часть–3_ Апрель –2025
40
THE FORAGE POTENTIAL OF CROTALARIA JUNCEA AND ITS
ROLE IN SOIL ENHANCEMENT
Malikov Jamshid Xusniddin o’g’li, Rajabova Madina Akmaljon qizi,
Umrzoqov Davron Akmal o’g’li.
Jizzakh State Pedagogical University
Abstract: This study explores the agronomic and ecological benefits of
Crotalaria juncea as a forage crop in arid and semi-arid regions. The research was
conducted in the Jizzakh region, where the plant's growth dynamics, survival rate,
and yield potential were analyzed. The results demonstrate that Crotalaria juncea
exhibits high adaptability to dry conditions, with a survival rate of 82–88% and a
maximum yield of 19.2 t/ha, significantly surpassing natural pasture productivity.
Additionally, its ability to fix nitrogen enhances soil fertility, making it a promising
candidate for sustainable agriculture and livestock feeding. The study highlights the
necessity of integrating Crotalaria juncea into pasture improvement programs to
address forage shortages and maintain ecological balance.
Keywords: Crotalaria juncea, forage crop, soil improvement, nitrogen
fixation, pasture productivity, arid regions, sustainable agriculture.
Relevance of the topic.
Improving the forage production system and
increasing its productivity in the agriculture of our republic is one of the important
tasks. Crotalaria juncea is of great importance as a nitrogen-fixing and soil fertility
improving plant, which is not only a source of high-quality forage for animals, but
also a means of soil improvement. Currently, the problem of low productivity and
seasonal variability of forage crops in arid regions, in particular in semi-desert and
hilly regions, remains relevant. Also, the increasing demand for feed resources in
livestock farming, the intensive use of natural pastures and their degradation due to
man-made impacts require innovative approaches to forage production.
MODERN EDUCATION AND DEVELOPMENT
Выпуск журнала №-23
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In order to overcome these problems, it is important to study the possibilities
of using high-protein and agroecologically effective crops such as Crotalaria juncea.
This plant has a short growing season and plays an important role in increasing soil
fertility and improving the quality of forage. Therefore, this study aims to in-depth
study of the growth conditions of Crotalaria juncea, its response to agrotechnological
measures, and its impact on forage quality.
Research source and methods.
The research work was conducted in pastures
with light-brown soil in the hilly areas of Jizzakh region. For the study, Crotalaria
juncea was planted and tested, and its growth and development characteristics, as well
as its impact on yield and forage quality were evaluated.
During the planned field experiments, phenological observations, biometric
measurements, assessment of forage reserves, and determination of agroecological
indicators were carried out. This study used internationally accepted scientific and
methodological approaches in plant science, forage crop breeding, and plant
physiology.
The results will serve to develop effective recommendations for increasing the
nutritional quality of Crotalaria juncea, improving soil fertility, and optimizing forage
production in arid regions.
Results and analysis of the study.
The study was conducted in field
experiments organized to study the agroecological characteristics of Crotalaria juncea
in the hilly regions of Jizzakh region. This area is located at an altitude of 660–680
meters above sea level, characterized by light-gray soils and a dry climate. The soil
composition consists of fine-grained clay and loam, creating moderately favorable
conditions for plant development.
Indicators
Results
Research location
Jizzakh region, foothill areas
Altitude (m)
660–680
Soil type
Light gray soil, clay and sandy deposits
Germination rate (%)
82–88
Vegetation period
3 years
MODERN EDUCATION AND DEVELOPMENT
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Plant height (cm)
75–130
Survival rate (%)
Stable (number of plants remained
unchanged during vegetation)
Maximum yield (t/ha)
19.фев
Yield difference compared to natural
pastures
4–5 times higher
Importance for livestock
High-quality forage source
Ecological significance
Improves soil fertility, fixes nitrogen
This table highlights Crotalaria juncea as a valuable crop for forage and
soil enrichment.
In the field experiments, Crotalaria juncea was planted and its growth
processes, viability and productivity were studied. In the initial vegetative stage of the
plant, the germination rate was high, and intensive growth was observed mainly in
the first year. However, in subsequent years, the viability of the plants was stable, and
the number of bushes did not change much. According to the results of the study, the
survival rate of Crotalaria juncea seedlings was in the range of 82–88%, which
confirms the high adaptation of this plant to arid conditions.
The maximum growth and harvest period of Crotalaria juncea fell on the third
year of its vegetation. The plant height in different conditions ranged from 75–130
cm, which is a high result for forage crops in arid regions. The highest yield reached
19.2 t/ha, which is 4–5 times higher than that of natural pastures.
These results confirm the possibility of recommending Crotalaria juncea as a
source of high-quality forage for livestock. At the same time, its biological nitrogen-
fixing properties serve to increase soil fertility and ensure ecological stability.
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Выпуск журнала №-23
Часть–3_ Апрель –2025
43
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