books pen vaccination
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Source: wikipedia.org
التطعيم بالقلم (Info)
وفيه يقطع الأصل بشكل أفقي من سطح الأرض ويعمل فيه شق عمودي يلائم شكل طرف الطعم (القلم) ويلحم بطلاء خاص لحمايته من العوامل البيئية، ويلف برباط محكم، ويتم ذلك من نصف شهر-1-إلى منتصف شهر3 حيث تنمو البراعم.
