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Yazdansepas, A., Rezaie, M., Chiychi, M., Nazeri, M., Razave, S.A., Sanjare, A.G., Abede, M.S., Babaei, T., Soltane, R., Salehe, P. and Hosenebay, S.K. (2010) Study of the Morpho-Physiological Traits and Stability of Grain Yield in Promising Winter and Facultative Wheat (Triticum aestivum L.) Genotypes in Cold Regions. Seed and Plant Improvement Institute, Final Report No. 40143.

has been cited by the following article:

• TITLE: The Effects of Different Levels of Nitrogen on Yield and Yield Components of Rainfed Wheat in Two Regions of North Khorasan

  AUTHORS: Mahdi Bavar, H. Heidari Sharif Abad, Gh. Noormohamadi

  KEYWORDS: Wheat, Nitrogen, Yield, Yield Components, Cultivars of Rainfed

  JOURNAL NAME: Open Journal of Ecology, Vol.6 No.7, June 20, 2016

  ABSTRACT: To study the effects of different levels of nitrogen fertilizer on yield and yield components of cultivars of rainfed wheat a study was done in the crop year 2012-2013 as factorial in a randomized complete block design with 3 replications, in 2 research stations of Kohne Kand city in Bojnord and Shirvan dryland research station. The treatments of study contain cultivars of wheat in 4 levels (Rasad, Sabalan, Cross Sabalan and Azar 2) and 4 levels of nitrogen fertilizer (75, 50, 25 and 0 kilograms nitrogen per hectare). The results showed that the yield in Shirvan was significantly higher than that in Bojnoord. Moreover, the impact of cultivar and nitrogen on yield and yield components was significant in both regions and among different cultivars Azar 2 has the highest yield in both regions and the lowest yield was for cross Sabalsn in Shirvan and Sabalan in Bojnoord. Furthermore, yield increased by increasing the nitrogen in both regions but there was no significant difference between levels 50 and 75 kilograms per hectare. Among yield components except the number of spikes per square meter, others had a high correlation with yield.