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Register a new userComparison of modern irrigation methods (Drip, Sprinkler) with surface irrigation method (furrow) for maize production
مقارنة الري بالتنقيط و الرذاذ بالري السطحي لهجن من الذرة الصفراء
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نفذت الدراسة في كلية الزراعة بخرابو خلال الموسمين (2002-2003) بهدف مقارنة طرائق الري (الري بالتنقيط، الرذاذ، الخطوط) لإنتاجية الذرة الصفراء، صنف غوطة 82 . و قد بينت النتائج الإحصائية وجود فروق معنوية بين طرائق الري من حيث الإنتاج الحبـي و الـوزن الأخضر، فكان متوسط الموسمين من إنتاج الحبوب (48.6 طنـاً/هــ – 065.6 طنـاً/هــ - 905.7 طناً/هـ) لكل من الري بالتنقيط و الرذاذ و الخطوط على التوالي، و بالنسبة للوزن الأخضر كان المتوسـط للموسمين (4.24 – 04.22 – 75.25 طناً/هـ) للري بالتنقيط و الري بالرذاذ و الـري بـالخطوط علـى التوالي.
This study was conducted at the Faculty of Agriculture, Damascus University, during two seasons (2002-2003) to assess the effect of irrigation methods (drip, sprinkler, furrow) of maize (Gota 82). The results showed significant differences between irrigation methods in grain and green weight production (average of two seasons, for grain: 6.48 t/ha,6.065 t/ha, and 7.905 t/ha for drip, sprinkler and furrow irrigation respectively, and for green weight 24.4t/ha, 22.04t/ha, and 25.75t/ha for drip, sprinkler and furrow irrigation respectively).Concerning total water requirement, drip irrigation method was the lowest one (average of two seasons, 4392.87m3/ha) followed by sprinkler irrigation (5565m3/ha) compared with furrow irrigation (9011.92m3/ha).
References used
Ahmed, M; Anukularmphai, A. 1981. Effects of different irrigation regimes on maiz production in acid-sulphate soil . Agricultural -Mechanization- in Asia,Africa-and Latin- America.Vol 12:4, 32-34
Al-Kawaz, G.M.,A. Aboukhaled and A.K.Khaled.1983. Water requirements for higer yield of grain maize ( Zea mays L.) in central Iraq.JAWRR;2(2):43-54
Bucks, D. A. and S. Davis. 1986. Trickle Irrigation for Crop production. Chapter 1, Eds. F. S. Nakayamaand D.A. Bucks. Netherlands: Elsevier Publications
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The experiment carried out to improve the efficiency of drip
irrigation system , based on soil moisture. The indirect measure of
humidity Was used in the experiment, connected with the pointing
device (separator continued), and a control device pr
ogrammed on a
low humidity degree, which is degree the field capacity of the soil and
which value is 25%, and on a high moisture degree which is saturation degree
at 75%..
This study was carried out on a 17 years Vineyard (Helwani,
Betamooni. Cvs) when the study started. Two deficit irrigation
treatments were studied (%88, 60%), in addition to the control (full irrigation), and each treatment included three replicati
ons. Drip irrigation technique was applied (one irrigation line for each tree line, and eight drippers for each tree). Fruit yield and sugar
percentage were observed under different water treatments.
Using modern irrigation started as individual initiatives, then the government supported the
introduction of these techniques through the national programme for transferring to modern
irrigation that started late 2000. This programme set up to conv
ert all irrigated area, where
possible, from traditional methods to modern irrigation systems during 10 years period. The
government has issued several decisions for facilitating transfer process and ironing out the
financial and administrative constraints facing the implementation of this programme.
The experiments were carried out at Deir Ezzor research Center , Salou Research Station during the growing season 2008 and 2009 . The cotton variety Deir Ezzor 22 was grown and the soil was treated, one day before cultivation date.
Principally the main bases for comparison are to compare the field losses with the net water requirement
in addition to that a comparison should be carried out between the most important financial indicators i.
e. the used capital and the investmen
t capital.
Comparing field losses to the net water requirement, it appears that drip irrigation methods come first
then comes sprinkler irrigation and after surface irrigation (furrow irrigation), but from comparing the
basic cost to financial investment, it appears that sprinkler irrigation precedes drip irrigation followed by
surface irrigation (furrow irrigation).
If we take into consideration the crop composition in the region where wheat crop, according to the crop
rotation reaches 56.24% and which is impossible to irrigate by the drip method, in addition to the
necessity of forming a washing stream of water opposing the rising water stream by capillarity caused by
the proximity of saline underground water, we found out that irrigation by sprinkling is the optimum
method for this region.
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