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Register a new userEffect Irrigation Quality and Mineral Fertilization on Barley Productivity (Variety 244) and Some Nutrients Availability
jتاثير نوعية الري والسماد المعدني على انتاجية الشعير صنف 244
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Authors
Haider. A. Al-Maamori( باحث )
Created by
Raji Alawady
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An experiment was conducted in fields of Agricultural Research office / Al-Dibuni Research Station in Clay Loam soil, to study the coexistence with irrigation salinity using different water qualities with a recommended mineral fertilizer by the Iraqi Ministry of Agriculture, and evaluate the role of this fertilizer in maintaining the nutritional balance in soil and barley productivity. A Factorial Experiment Design was used According to RCBD design. The results showed that mineral fertilization of 100% fertilizer recommendation was significantly superior in all measured characteristics (nitrogen and phosphorus availability in soil, EC, plant height, leaf area, number of branches, 1000 grain weight, grain yield, biological yield and harvest index) which gave (46.31, 27.29 mg kg-1 , 5.59 dSm-1 , 67.44 cm, 20.41 cm2 plant-1 , 7.66 branch plant-1 , 44.08g, 3.16, 11.19 Mg ha-1 , and 28.24%, respectively) compared with control treatment. The addition of irrigation different types affected on the measured characteristics, as the S1 treatment gave a significant values in each of (nitrogen and phosphorus availability in soil, EC, leaf area, number of branches, 1000 grain weight, grain yield, biological yield and harvest index) which gave (40.27, 23.39 mg kg-1 , 5.10 dSm-1 , 16.97 cm2 plant-1 , 6.91 branch plant-1 , 40.31 g, 3.02, 10.13 Mgha-1 , and 29.98%) compared with S2 treatment. The results showed the double interaction F4S3 treatment had a significant effect in all the measured characteristics(nitrogen and phosphorus availability in soil, leaf area, number of branches, 1000 grain weight, grain yield, biological yield and harvest index) which gave (48.61 and 28.97mg kg-1 and 20. 92 cm2 plant-1 , 8.06 branch plant- 1 , 45.75g, 3.22, 11.47 Mgha -1 , and 28.07%, respectively) compared with F1S2 treatment, noting F4S3 treatment did not significantly of F4S1 treatment
An experiment was conducted in fields of Agricultural Research office / Al-Dibuni Research Station in Clay Loam soil, to study the coexistence with irrigation salinity using different water qualities with a recommended mineral fertilizer by the Iraqi Ministry of Agriculture, and evaluate the role of this fertilizer in maintaining the nutritional balance in soil and barley productivity. A Factorial Experiment Design was used According to RCBD design. The results showed that mineral fertilization of 100% fertilizer recommendation was significantly superior in all measured characteristics (nitrogen and phosphorus availability in soil, EC, plant height, leaf area, number of branches, 1000 grain weight, grain yield, biological yield and harvest index) which gave (46.31, 27.29 mg kg-1 , 5.59 dSm-1 , 67.44 cm, 20.41 cm2 plant-1 , 7.66 branch plant-1 , 44.08g, 3.16, 11.19 Mg ha-1 , and 28.24%, respectively) compared with control treatment. The addition of irrigation different types affected on the measured characteristics, as the S1 treatment gave a significant values in each of (nitrogen and phosphorus availability in soil, EC, leaf area, number of branches, 1000 grain weight, grain yield, biological yield and harvest index) which gave (40.27, 23.39 mg kg-1 , 5.10 dSm-1 , 16.97 cm2 plant-1 , 6.91 branch plant-1 , 40.31 g, 3.02, 10.13 Mgha-1 , and 29.98%) compared with S2 treatment. The results showed the double interaction F4S3 treatment had a significant effect in all the measured characteristics(nitrogen and phosphorus availability in soil, leaf area, number of branches, 1000 grain weight, grain yield, biological yield and harvest index) which gave (48.61 and 28.97mg kg-1 and 20. 92 cm2 plant-1 , 8.06 branch plant- 1 , 45.75g, 3.22, 11.47 Mgha -1 , and 28.07%, respectively) compared with F1S2 treatment, noting F4S3 treatment did not significantly of F4S1 treatment.
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Research summary
تتناول هذه الدراسة تأثير جودة الري والتسميد المعدني على إنتاجية الشعير (الصنف 244) وتوافر بعض العناصر الغذائية في التربة. أجريت التجربة في محطة أبحاث الديبوني التابعة لوزارة الزراعة العراقية باستخدام تصميم التجارب العاملية وفق تصميم القطاعات العشوائية الكاملة (RCBD). أظهرت النتائج أن التسميد المعدني بنسبة 100% من التوصية كان له تأثير إيجابي كبير على جميع الخصائص المقاسة مثل توافر النيتروجين والفوسفور في التربة، التوصيل الكهربائي، ارتفاع النبات، مساحة الورقة، عدد الفروع، وزن 1000 حبة، إنتاجية الحبوب، الإنتاجية البيولوجية ومؤشر الحصاد. كما أظهرت النتائج أن نوعية مياه الري المختلفة أثرت بشكل كبير على الخصائص المقاسة، حيث أعطت معاملة S1 قيمًا أفضل مقارنة بمعاملة S2. وأظهرت التفاعلات الثنائية تأثيرًا كبيرًا في جميع الخصائص المقاسة، حيث كانت معاملة F4S3 هي الأفضل في معظم الخصائص مقارنة بمعاملة F1S2. تهدف الدراسة إلى تقييم إمكانية التعايش مع مشكلة الملوحة باستخدام أنواع مختلفة من المياه مع وجود التسميد المعدني الموصى به من قبل وزارة الزراعة العراقية ودور هذا التسميد في الحفاظ على التوازن الغذائي في منطقة انتشار الجذور.
Critical review
دراسة نقدية: تعتبر هذه الدراسة مهمة في سياق التحديات الزراعية التي تواجهها العراق، خاصة فيما يتعلق بمشكلة ندرة المياه وملوحة التربة. ومع ذلك، يمكن توجيه بعض الانتقادات البناءة للدراسة. أولاً، كان من الممكن أن تكون الدراسة أكثر شمولية إذا تضمنت تحليلًا اقتصاديًا لتكاليف وفوائد استخدام التسميد المعدني مقابل البدائل الأخرى مثل التسميد العضوي أو الحيوي. ثانيًا، الدراسة تركزت على نوع واحد من المحاصيل (الشعير)، وكان من الممكن أن تكون النتائج أكثر شمولية إذا تم تضمين محاصيل أخرى. ثالثًا، لم تتناول الدراسة بشكل كافٍ التأثيرات البيئية الطويلة الأمد لاستخدام التسميد المعدني بكميات كبيرة، وهو جانب مهم يجب مراعاته في الأبحاث المستقبلية. أخيرًا، كان من الممكن تحسين الدراسة بإجراء تجارب ميدانية في مواقع مختلفة لتقييم تأثير التغيرات المناخية والجغرافية على النتائج.
Questions related to the research
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ما هو الهدف الرئيسي من الدراسة؟
الهدف الرئيسي من الدراسة هو تقييم إمكانية التعايش مع مشكلة الملوحة باستخدام أنواع مختلفة من المياه مع وجود التسميد المعدني الموصى به من قبل وزارة الزراعة العراقية ودور هذا التسميد في الحفاظ على التوازن الغذائي في منطقة انتشار الجذور.
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ما هي النتائج الرئيسية التي توصلت إليها الدراسة؟
النتائج الرئيسية أظهرت أن التسميد المعدني بنسبة 100% من التوصية كان له تأثير إيجابي كبير على جميع الخصائص المقاسة مثل توافر النيتروجين والفوسفور في التربة، التوصيل الكهربائي، ارتفاع النبات، مساحة الورقة، عدد الفروع، وزن 1000 حبة، إنتاجية الحبوب، الإنتاجية البيولوجية ومؤشر الحصاد.
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ما هي التحديات الزراعية التي تواجه العراق والتي تناولتها الدراسة؟
التحديات الزراعية التي تواجه العراق تشمل مشكلة ندرة المياه بسبب الجفاف وتخزين المياه في الدول المجاورة، بالإضافة إلى مشكلة ملوحة التربة الناتجة عن استخدام كميات كبيرة من الأسمدة المعدنية.
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ما هي التوصيات التي يمكن استخلاصها من هذه الدراسة لتحسين الإنتاجية الزراعية في المناطق المتأثرة بالملوحة؟
التوصيات تشمل استخدام التسميد المعدني بنسبة 100% من التوصية لتحسين توافر العناصر الغذائية في التربة وزيادة الإنتاجية، بالإضافة إلى استخدام أنواع مختلفة من مياه الري لتقليل تأثير الملوحة على نمو النباتات.
References used
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