كتابة النص: الأستاذ الدكتور يوسف أبو العدوس - جامعة جرش قراءة النص: الدكتور أحمد أبو دلو - جامعة اليرموك مونتاج وإخراج : الدكتور محمد أبوشقير، حمزة الناطور، علي ميّاس تصوير : الأستاذ أحمد الصمادي الإشراف العام: الأستاذ الدكتور يوسف أبو العدوس
فيديو بمناسبة الإسراء والمعراج - إحتفال كلية الشريعة بجامعة جرش 2019 - 1440
فيديو بمناسبة ذكرى المولد النبوي الشريف- مونتاج وإخراج الدكتور محمد أبوشقير- كلية تكنولوجيا المعلومات
التميز في مجالات التعليم والبحث العلمي، وخدمة المجتمع، والارتقاء لمصاف الجامعات المرموقة محليا واقليميا وعالميا.
المساهمة في بناء مجتمع المعرفة وتطوره من خلال إيجاد بيئة جامعية، وشراكة مجتمعية محفزة للابداع، وحرية الفكر والتعبير، ومواكبة التطورات التقنية في مجال التعليم، ومن ثم رفد المجتمع بما يحتاجه من موارد بشرية مؤهلة وملائمة لاحتياجات سوق العمل.
تلتزم الجامعة بترسيخ القيم الجوهرية التالية: الإلتزام الإجتماعي والأخلاقي، الإنتماء،العدالة والمساواة، الإبداع، الجودة والتميّز، الشفافية والمحاسبة، الحرية المنظبطة والمستقبلية.
AbstractThe effect of soil amendment with olive pomace wastes (OPW) on population and root infection of indigenous arbuscular mycorrhizal (AM) fungi associated with chickpea has been studied under field conditions. Yield components, phosphorus (P) percentage, AM spore density and root length colonization of AM fungi were recorded. We found that OPW increased biomass, seed yield, and shoot phosphorus concentration of chickpea plants. Our results also indicated that AM fungal spore population and colonization levels were substantially enhanced by the application of OPW. Fungicide applications significantly decreased both spore population and colonization length of AM fungi. We concluded that organic matter amendments potentially increased AM fungal association and hence might increase growth and yield of chickpea plants in the field.
Recent research has indicated that increasing species diversity of the pastures might improve sward productivity and stability. The present experiment evaluates the effect of dandelion (Taraxacum officinale Weber) as a potential pasture species on the performance of a perennial ryegrass (Lolium perenne L.)–white clover (Trifolium repens L.) mixture in terms of total herbage yield, weed infestation, and nitrogen (N) yield in a replacement-series experiment over three harvest years. The three species were grown in monocultures and in all possible binary and three-species mixtures under two N fertilization levels (0 and 200 kg N ha−1). Herbage yield and N yield of the three-species mixture were not significantly different from the ryegrass–white clover mixture over the 3 yr. The contribution of dandelion to the total herbage yield increased over years, which improved yield stability. A competition analysis, performed by calculating relative yield and relative yield total, indicated that ryegrass had a competitive advantage over white clover in fertilized and unfertilized swards, but over dandelion only when the sward was fertilized. Nitrogen application reduced the nonsown species yield in all mixtures, except that of white clover–dandelion. Our results indicate that dandelion might have the potential of contributing to herbage yield, nutritive value, and resistance to invasions of ryegrass–white clover pastures.
Despite the fact that several experiments have been conducted to explore the biodiversityproductivity relationship in synthesized and natural plant communities, the results obtained were contradictory and no clear consensus has been reached. Recent experiments that surveyed mature natural plant communities have investigated this relationship across environmental gradients, where biotic and/or abiotic factors are correlated with the observed diversity and productivity levels. We studied the effect of plant diversity on ecosystem productivity in agriculturally managed (managed at a low intensity with moderate level of disturbance) and natural (no history of management) grasslands at a within-site scale in order to minimize the confounding effect of environmental factors. We tested the effects of two diversity measures (species richness and species evenness) on productivity within- and across-sites scale. Our results indicated that this relationship was different between the natural and the managed grasslands and varied according to the diversity measure. Species richness only poorly explained the variation in productivity for the managed grasslands, while the variations in system productivity were better explained by species evenness. Interestingly, our results from the natural low productive, species poor grassland are in agreement with the results obtained from the recent experiments that artificially manipulated diversity levels and found an asymptotic increase in productivity along with increasing species richness. Our results provide additional evidence of the complex behavior that measures of species diversity that combine several aspects of diversity such as species evenness, species identity as well as the interactions among the species may be better determinants of the response of the ecosystem to biodiversity.
جامعة جرش
المواد والساعات المكتبية لعضو هيئة التدريس
الفصل الدراسي الاول (2024- 2025 )
الزراعة
الكلية
الإنتاج النباتي والوقاية
القسم
د. طاهر عساف
اسم عضو هيئة التدريس
الخوارزمي- الطابق الرابع
المبنى
423
رقم المكتب
رقم القاعة
الوقت
اليوم
المادة
المواد التي يدرسها
401
08:00 - 9:30
س خ
انتاج المحاصيل الحقلية
9:30 – 11:00
علم وراثة النبات
عملي
11:00 – 20:00
س ن
الزراعة العملية 1
الساعات
الساعات المكتبية
إلى
من
1:30
09:30
الاحد
11:00
الاثنين
All Rights Reseved © 2025 - Developed by: Prof. Mohammed M. Abu Shquier Editor: Ali Zreqat
