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معيار يقيس الطاقة المحتملة للمياة الموجودة في التربة، بالنسبة لحالة المياه الحرة. يُستخدم هذا المعيار لتحديد كمية الجهد الذي تحتاجه النبتة لامتصاص المياه عبر الجذور وله أهمية أساسية في حسابات الري. ويشار إليه عادة بالحرف Ψ.
Last Posts
Closing Ceremony of the 21st Course for Experts in Virgin Olive Oil Tasting at the University of Jaén
The International Olive Council (IOC) took part in the closing ceremony of the 21st edition of the Course for Experts in Virgin Olive Oil Tasting, held from 25 September to 19 December 2024 at the University of Jaén. This...
World Market of Olive Oil and Table Olives – Data From December 2024
Welcome to the IOC, the only intergovernmental organization in the world to bring together all the stakeholders involved in the production and consumption of olive oil and table olives. Here you’ll find an overview of the...
Standardisation and Research Unit: Documents Adopted During the Last Session
Following their adoption during the 120th session of the IOC Council of Members, the following documents are now available on the IOC website: The Trade Standard Applying to Olive Oils and Olive-Pomace Oils (COI/T.15/NC No...
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