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Nitrogen Fertilizer Rate and Cultivar Interaction Effects on Nitrogen Recovery, Utilization Efficiency, and Agronomic Performance of Spring Barley
المؤلفون المشاركون
Juskiw, Patricia
Anbessa, Yadeta
المصدر
العدد
المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-05-10
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
A study was carried out at Lacombe, Alberta, to develop baseline information on nitrogen recovery, utilization efficiency, and agronomic performance of spring barley.
This information may enable us to understand where the inefficiencies of N nutrition may lay and determine strategies to improve nitrogen use efficiency (NUE).
Three divergent cultivars, “Manley” (two-rowed, tall, late maturing), “Noble” (six-rowed, mid-height, intermediate maturing), and “Tukwa” (six-rowed, semidwarf, early maturing), were grown under low (0 kg ha-1), moderate (50 kg ha-1) and high (100 kg ha-1) rates of applied N fertilization.
Both N recovery and utilization efficiency decreased with the increase in rate of applied N fertilizer, and NUE declined from 45 kg kg-1N under the low N treatment to 33 kg kg-1N under the moderate treatment and 24 kg kg-1N under the high N treatment.
The test cultivars were comparable in N uptake, but Tukwa and Noble were more efficient in their utilization of the N taken up than Manley, particularly under high N.
Subsequently, while grain yield of Tukwa and Noble had increased linearly with rate of N fertilizer, the grain yield of Manley showed a declining trend under high N.
This implies that, where a high input condition is targeted, improvement in N utilization efficiency may need to be given due consideration.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Anbessa, Yadeta& Juskiw, Patricia. 2012. Nitrogen Fertilizer Rate and Cultivar Interaction Effects on Nitrogen Recovery, Utilization Efficiency, and Agronomic Performance of Spring Barley. ISRN Agronomy،Vol. 2012, no. 2012, pp.1-8.
https://search.emarefa.net/detail/BIM-479184
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Anbessa, Yadeta& Juskiw, Patricia. Nitrogen Fertilizer Rate and Cultivar Interaction Effects on Nitrogen Recovery, Utilization Efficiency, and Agronomic Performance of Spring Barley. ISRN Agronomy No. 2012 (2012), pp.1-8.
https://search.emarefa.net/detail/BIM-479184
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Anbessa, Yadeta& Juskiw, Patricia. Nitrogen Fertilizer Rate and Cultivar Interaction Effects on Nitrogen Recovery, Utilization Efficiency, and Agronomic Performance of Spring Barley. ISRN Agronomy. 2012. Vol. 2012, no. 2012, pp.1-8.
https://search.emarefa.net/detail/BIM-479184
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-479184
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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