Abstract
The field experiment was carried out in one of the farmers’ fields in Al-Fajr district, Dhi Qar governorate, located 90 km north of Nasiriyah city center, during the agricultural season 2020-2021. To show the effect of spraying different levels of chelated and nano zinc on the growth of wheat (Triticum aestivum L.). The experiment was conducted using factorial experiments according to the complete block design (RCBD). The experiment included two factors, the first factor using chelated zinc at five levels (0, 40, 80, 120 and 160 mg. L−1), and the second factor using nano-zinc at five levels (0, 40, 80, 120 and 160 mg. L−1). The results show that chelated zinc was a significant effect on the leaf area, the flag leaf, tiller number and chlorophyll, and no significant effect on plant height and spike length. As for the zinc nanoparticles, it had a significant effect on leaf area and chlorophyll, and no significant effect on the plant height, spike length and the tiller number. While the interaction affected significantly the leaf area, and no significantly affect the plant height, spike length, tiller number and chlorophyll.
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