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Effect of organic and potassium fertilization on some productivity characteristics of olive cultivars Sorani and Kaissy grown in Basaltic soil

تأثير التسميد العضوي و البوتاسي في بعض الخصائص الإنتاجية لصنفي الزيتون الصوراني و القيسي المزروعين في تربة بازلتية

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 Publication date 2014
and research's language is العربية
 Created by Shamra Editor




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This investigation was carried out on fifteen years old Sorani and Kaissy olive cultivars (Oleaeuropaea L.) trees grown in Basaltic soil that was poor in organic matter and potassium. The aim of the present investigation is to study the effect of different amount of organic and potassium fertilization on yield, fruit weight, oil percentage, and oil acidity. Results obtained showed that the highest value of fruit weight, yield, and oil precentage exhibited statistically the highest values by trees fertilized with the treatments (Organic + Potassium). Acidity increased in (Organic + Potassium) treatments but it was less than 2% oleic acid , while it was less than 1% oleic acid in Potassium treatments and in Organic treatments (Extra vergin oil).


Artificial intelligence review:
Research summary
تتناول هذه الدراسة تأثير التسميد العضوي والبوتاسي على بعض الخصائص الإنتاجية لصنفي الزيتون الصوراني والقيسي المزروعين في تربة بازلتية فقيرة بالمادة العضوية والبوتاسيوم. تم تنفيذ البحث على أشجار زيتون بعمر 15 عاماً في المنطقة الغربية من حمص. هدفت الدراسة إلى تقييم تأثير كميات مختلفة من السماد العضوي والبوتاسي على الإنتاج، وزن الثمرة، نسبة الزيت، ورقم الحموضة. أظهرت النتائج أن أعلى قيمة للإنتاج ووزن الثمرة ونسبة الزيت تحققت عند إضافة السماد العضوي مع البوتاسي معاً. كما ازداد رقم الحموضة في هذه المعاملات لكنه بقي ضمن حدود الزيت البكر الأول (أقل من 2). بينما كانت معاملات التسميد البوتاسي ومعاملات التسميد العضوي أقل من 1، مما يجعل الزيت بكرًا ممتازًا. توصي الدراسة بإضافة السماد العضوي والبوتاسي لتحسين الإنتاجية وجودة الزيت في التربة البازلتية.
Critical review
دراسة نقدية: تقدم هذه الدراسة إسهامًا مهمًا في فهم تأثير التسميد العضوي والبوتاسي على إنتاجية وجودة الزيتون في التربة البازلتية. ومع ذلك، يمكن أن تكون هناك بعض النقاط التي تحتاج إلى مزيد من التوضيح. أولاً، لم يتم التطرق بشكل كافٍ إلى تأثير التسميد على المدى الطويل، حيث يمكن أن تكون هناك تأثيرات تراكمية لم يتم ملاحظتها خلال فترة الدراسة. ثانيًا، لم يتم مناقشة تأثير التسميد على البيئة المحيطة، مثل تأثيره على التربة والمياه الجوفية. أخيرًا، يمكن أن تكون هناك حاجة إلى دراسة تأثير التسميد على أصناف أخرى من الزيتون أو في مناطق جغرافية مختلفة للحصول على نتائج أكثر شمولية.
Questions related to the research
  1. ما هي الأصناف التي تم دراستها في البحث؟

    تم دراسة صنفي الزيتون الصوراني والقيسي.

  2. ما هي التربة التي تمت الدراسة عليها؟

    تمت الدراسة على تربة بازلتية فقيرة بالمادة العضوية والبوتاسيوم.

  3. ما هي النتائج الرئيسية للدراسة؟

    أظهرت النتائج أن أعلى قيمة للإنتاج ووزن الثمرة ونسبة الزيت تحققت عند إضافة السماد العضوي مع البوتاسي معاً.

  4. ما هي التوصيات التي قدمتها الدراسة؟

    توصي الدراسة بإضافة سماد عضوي بقري متخمر بمعدل 40 كغ/الشجرة مع سلفات البوتاس بمعدل 2.5 كغ/الشجرة للحصول على أعلى كمية إنتاج وأعلى نسبة زيت.


References used
Al Ibrahem, A. 2006. Olive oil sector in Syria: The present status and perspective. Proceedings “Olive bioteq 2006 – Second international seminar – Recent advances in olive industry - Special seminars and invited lectures”, 5-10 November 2006, Marsala – mazara del vallo, Italy: 97-108
OAC, 2002. Official Methods of Analysis. 15thed; Association of Official Analysis Chemists, 1nc. Arlington. Virginia zzzoi USA P.842
Atwell, B., Kridemann, P. & Turnbull, C. 1999. Plants In Action: Adaptation in nature, performance in cultivation, Macmillan Education, South Yarra, Victoria, Australia
Barranco Navero, D., Touzani, A., Cimato, A., Castaneda, C., Fiorino, P., Serafini F., Rallo Romero, L., Trujillo Navas I. 2000. Catalogo mondiale delle varietà di olivo. Consiglio Oleicolo Internazionale, Madrid
Benitez,R. 2006. Biochemical variability of olive orchard soils under different management systems. Reaserchin Spain
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