Comparing the relationship of different drip irrigation uniformity parameters with crop yield [electronic resources].
Language: English Summary language: Arabic Description: p. 99-103Other title:- مقارنة علاقة مؤشرات مختلفة لانتظامية الرى بالتنقيط بإنتاجية المحصول [Added title page title]
- Mansoura university journal of soil sciences and agricultural engineering, 2020 v. 11 (4) [electronic resources].
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| ART MUJSSAE V11 No3 2 Assessment of water balance and traditional surface irrigation practices in the northern Nile Delta | [electronic resources]. | ART MUJSSAE V11 No3 3 Utilizing sustainable land management model for sustainability index assessment in El-Minufiya governorate, Egypt | [electronic resources]. | ART MUJSSAE V11 No3 4 Desalination of brackish water utilizing air gap membrane distillation at two different cooling water levels | [electronic resources]. | ART MUJSSAE V11 No4 1 [electronic resources]. | ART MUJSSAE V11 No4 2 [electronic resources]. | ART MUJSSAE V11 No4 3 [electronic resources]. | ART MUJSSAE V11 No5 2 [electronic resources]. |
Includes references.
Drip irrigation system has the ability to apply water over the field uniformly. Uniformity of drip irrigation can be measured through many parameters.
Uniformity is one of the procedures which should be considered in drip irrigation design and management to gain the maximum possible crop yield.
The objective of this study was to investigate the effect of some uniformity parameters including Christiansen’s uniformity coefficient (UC),
distribution uniformity (DU), Manufacturing coefficient of variation (CVf), and emission uniformity (EU) on crop yield and water productivity,
in addition to evaluate the strength of the relationship between each of studied uniformity parameter and crop yield. Four operating pressure
heads 5, 10, 15, and 20m were used to operate the irrigation system to make the required change in drip irrigation system uniformity level.
The study included two crops which were lettuce and turnip. Results indicated that increasing drip irrigation system uniformity will lead
to increase crop yield and water productivity of both crops. Values of correlation coefficient (r) were less than 0.5 for all uniformity
parameters when correlated to crop yield. This indicated that uniformity might not be the most important factor representing the quantity
of crop yield though its importance. According to the values of the (r) resulted from the relationship between each uniformity parameter
and crop yield; EU had the strongest effect on crop yield. The study recommended modeling the relationship between drip irrigation uniformity
and crop yield basing on EU.
Summary in Arabic.
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