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The Effect of resources and concentration of Nitrogen Fertilizer and Way of addition in some indicators of the Young Beet Plants in Conditions of Deir Ezoor Governorate

تأثير مصدر و تركيز السماد النتروجيني و طريقة إضافته في بعض مؤشرات النمو لنبات الشوندر السكري الفتية في ظروف محافظة دير الزور

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 Publication date 2016
and research's language is العربية
 Created by Shamra Editor




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Experiments were conducted on field (2014) for knowing the effect of nitrogenous fertilizers (Ammonium Nitrate, Urea, Ammonium Sulfate) in increased concentrations with two ways of fertilization (Scattered, local) in growth of the young Beet plants class Dita (dry weight, density rooty, content of soil and plant from nitrogen) under condition of soil and climate in Deir Ezoor.


Artificial intelligence review:
Research summary
تناولت الدراسة تأثير معدلات وتركيزات مختلفة من الأسمدة النتروجينية (نترات الأمونيوم، اليوريا، سلفات الأمونيوم) وطريقة إضافتها (نثر وموضعي) على نمو نبات الشوندر السكري الفتي في ظروف محافظة دير الزور. أظهرت النتائج أن التركيز الأمثل لسماد نترات الأمونيوم (20 ppm) أعطى أعلى قيمة للوزن الجاف عند استخدام طريقة التسميد الموضعي. كما زاد محتوى النبات من النتروجين بزيادة معدلات التسميد، لكن هذه الزيادة لم تؤثر إيجابياً على النمو. كما لوحظ انخفاض في الكثافة الجذرية مع زيادة التراكيز للأسمدة المختلفة، وكانت الكثافة الجذرية للنباتات النامية على سلفات الأمونيوم واليوريا هي الأكبر. استنتجت الدراسة أن طريقة التسميد الموضعي أكثر فعالية من طريقة النثر في تحسين نمو النبات وتقليل الفقد النتروجيني.
Critical review
دراسة نقدية: على الرغم من أن الدراسة قدمت نتائج مهمة حول تأثير الأسمدة النتروجينية على نمو الشوندر السكري، إلا أن هناك بعض النقاط التي يمكن تحسينها. أولاً، كان من الأفضل تضمين تحليل اقتصادي لتكاليف استخدام كل نوع من الأسمدة وطريقة إضافتها. ثانياً، لم تتناول الدراسة تأثير الأسمدة على جودة المحصول النهائي من حيث محتوى السكر، وهو جانب مهم في زراعة الشوندر السكري. ثالثاً، كان يمكن أن تكون الدراسة أكثر شمولية إذا تضمنت تجارب على أنواع أخرى من الأسمدة أو تراكيز مختلفة. وأخيراً، كان من المفيد تضمين توصيات عملية للمزارعين بناءً على النتائج.
Questions related to the research
  1. ما هو التركيز الأمثل لسماد نترات الأمونيوم الذي أعطى أعلى قيمة للوزن الجاف في الدراسة؟

    التركيز الأمثل لسماد نترات الأمونيوم الذي أعطى أعلى قيمة للوزن الجاف هو 20 ppm عند استخدام طريقة التسميد الموضعي.

  2. كيف أثرت زيادة معدلات التسميد النتروجيني على محتوى النبات من النتروجين؟

    زادت معدلات التسميد النتروجيني من محتوى النبات من النتروجين، لكن هذه الزيادة لم تؤثر إيجابياً على النمو.

  3. ما هي الطريقة الأكثر فعالية في تحسين نمو نبات الشوندر السكري وفقاً للدراسة؟

    طريقة التسميد الموضعي كانت الأكثر فعالية في تحسين نمو نبات الشوندر السكري مقارنة بطريقة النثر.

  4. ما هو تأثير زيادة تراكيز الأسمدة المختلفة على الكثافة الجذرية للنباتات؟

    زيادة تراكيز الأسمدة المختلفة أدت إلى انخفاض في الكثافة الجذرية للنباتات، وكانت الكثافة الجذرية للنباتات النامية على سلفات الأمونيوم واليوريا هي الأكبر.


References used
Abdallah, M., (1988) Zur Stickstoffernabrung Junger Zuckerrunenpflanzen in Abhangigkeit Von der Menge und Nerteilung des anorhanischen Stickstoffs im Boden und der Entwicklung des Wurzelsystems, Halle, Univ., Diss
Bohm, W. (1978): Die bestimmung des Wurzelsystems naturlichen standort-in Kalibriefe- Hannover 14(1978 2.S.91-101
Boroujerdnia, M. & Ansari, N.A., (2007): Effect of defferent levels of nitrogen fertilizer and culivars on growth, yield and yield components of romaine lettuce (Lactuca sativa L). M. East. Rus. O.Sci.Bio. 1 (2):47-53
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