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An economic study of the
optimal crop composition in light of the available water
resources in Egypt
Dr. Emad Moris Abd El-Shaheed
and Dr. Ahmed Mahmoud Abd El-Aziz
Senior Researcher, Agricultural
Economics Research Institute, Agricultural Research Center,
Giza, Egypt
Email:
dr.ahmed.mahmoud4@Gmail.com
Abstract:
The research aimed at trying to
reach the optimal crop composition within the limits of Egypt's
water potential, according to the two goals of maximizing the
net yield of crop structure and minimizing water needs, by using
linear programming for each goal separately once, and for the
two goals combined again, and the results showed that the first
model (The net return maximization model) achieved the highest
net return, amounting to about 75,867.77 million pounds, an
increase of about 583.18 million pounds, or about 0.77% of the
total net return of the current crop composition, which amounts
to about 75,284.59 million pounds, followed by the third model
(the model for maximizing net returns and minimizing needs water
together), where the total net yield amounted to about 75626.18
million pounds, an increase of about 341.59 million pounds, or
about 0.45% of the total net yield of the current cropping
structure, while the second model (the model of reducing water
needs) has achieved a loss compared to the current cropping
structure, as it amounted The total net return is about
70,627.04 million pounds, a decrease of about 4,657.55 million
pounds, or about 6.19% over the total net return of the current
crop composition. As for the reduction of water needs for the
cropping structure, the second model (the water needs reduction
model) achieved the highest reduction of water needs, as its
water needs amounted to about 36,691.25 million m3, a decrease
of about 604.19 million m3, or about 1.62% of the total water
needs of the current cropping composition, The amount is about
37,295.44 million m3, followed by the third model (the model of
maximizing net yield and minimizing water needs together), as
the total water needs for it amounted to about 36989.44 million
m3, with a decrease of about 306.00 million m3, or about 0.82%
of the total water needs for the current crop structure,
followed by The first model (net yield maximization model),
where the total water needs amounted to about 37,003.94 million
cubic meters, with a decrease of about 291.50 million cubic
meters, or about 0.78% of the total water needs for the current
crop structure.
[Emad Moris Abd El-Shaheed and
Ahmed Mahmoud Abd El-Aziz. An economic study of the optimal
crop composition in light of the available water resources in
Egypt. World Rural
Observ
2023;15(3):1-12]. ISSN: 1944-6543 (Print); ISSN: 1944-6551
(Online).
http://www.sciencepub.net/rural.
01. doi:10.7537/marswro150323.01.
Keywords:
Crop structure, single-objective linear programming,
multi-objective linear programming, maximizing net yield,
minimizing water requirements. |
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