تأثير معدلات مختلفة من الأسمدة الآزوتية في نمو أشجار السفرجل حديثة السن

Authors

  • رشيد خربوتلي

Abstract

بهدف تحديد الكمية المناسبة من الأسمدة الآزوتية اللازمة لنمو أشجار السفرجل حديثة السن، استخدمت عدة معاملات سمادية ، وأظهرت الدراسة على أشجار السفرجل من الصنف الصيداوي والمطعمة على الأصل البري للسفرجل النتائج التالية :

1- أظهرت إضافة الأسمدة الآزوتية لأشجار السفرجل حديثة السن دوراً كبيراً وتأثيراً فعالاً في النمو الخضري لهذه الأشجار مقارنة مع أشجار الشاهد .

2- إن النمو الطولي للنموات الخضرية الحديثة يظهر بشكل واضح في شهر تموز في حين أن النمو العرضي لمحيط ساق الشجرة وقطر قاعدة النموات الحديثة يظهر جلياً في شهر أيلول.

3- أعطت المعاملة السمادية الرابعة (بمعدل 100غ آزوت نقي للشجرة ) أفضل النتائج للعلاقة بين مقدار النمو وكمية الأسمدة.

In order to determine the suitable Treatment of Nitrogen fertilizer for the best growth of young quince Trees . Many different fertilizer Treatments have been tested on quince Trees  variety Sedawi grafted on wild quince stock, and the study showed the following result .

1- The addition of Nitrogen fertilizer to young quince Trees showed an efficient roll and impact on the foliargrowth of treated Trees in comparison with non Treated Trees  (control ) .

2- The longitudial growth of New green shoots was obvious on July, whereas the cross-seetional growth of tree stem and the diameter of new shoots base were obvious on September .

3- The best results of the correlation between growth ratio and the amount of added fertilizer was obtained when the Fourth fertilizer treatment (100g N / Tree) was used.

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Published

2019-02-19

How to Cite

خربوتلي ر. (2019). تأثير معدلات مختلفة من الأسمدة الآزوتية في نمو أشجار السفرجل حديثة السن. Tishreen University Journal -Biological Sciences Series, 23(1). Retrieved from https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/8203

Issue

Vol. 23 No. 1 (2001): العلوم البيولوجية

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