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Two field experiments were conducted during the summer season of 2015and 2016 at EL-Nobaraya Region 71km, Alex-Cairo desert road, at Chipsy Company farm in Beheira Governorate. This investigation aimed to study the comparison between the effect of mineral nitrogen fertilizer and nanotechnology fertilizers on the plant growth, yield, and yield component of potato. that there were no significant among cultivars for the number of shoot character weights of tuber/plant (kg) and the number of tuber/plant  during two years but there were significant differences among the examined two cultivars for plant length, dry matter, and yield component during two years. Impact the mineral nitrogen fertilizer and nanotechnology fertilizer levels on the studied vegetative traits. It became clear from these data that there was no significant effect of mineral nitrogen fertilizer and nanotechnology fertilizers level of character number of the shoot during the two years of study and plant length in the first year, the weight of tuber/plant (gm) and the number of tuber/plant during the two years of study but there was a significant effect of mineral nitrogen fertilizer and nano technology fertilizers level of character    average of tuber /plant (gm) and dry matter during two season. Moreover that most of the morphological studied characters did not show any significant differences due to the interaction between cultivars and mineral nitrogen fertilizer and nanotechnology fertilizer level but there were significant differences due to the interaction between cultivars and mineral nitrogen fertilizer and nanotechnology fertilizers of yield component of potato cultivars.

A Comparative Between Effect of Mineral Nitrogen Fertilizer and Nanotechnology Fertilizers on The Plant Growth, Yield And Yield Component of Potato