MORPHOLOGICAL RESPONSE OF BITTER ALMONDS (PRUNUS AMYGDALUS) TO NITROGEN NANO-FERTILIZER IN EARLY STAGES OF GROWTH

The use of large quantities of chemical fertilizers caused in many harmful to humans, animals and the environment. Adding to that, the difficulty of using nitrogen fertilizers especially urea and loss a large amount of it in sandy soil (70%) by leaching. In the other side, using of nano-particles an...

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