AL-Zuhairi, Osama G., et al. “STUDY THE EFFECT OF ADDITION NANO ZINC OXIDE ON THE VEGETATIVE, FLOWERING AND FRUITING CHARACTERISTICS OF GROWING Capsicum Frutescens PLANT IN CLOSED HYDROPONICS SYSTEM”. Diyala Agricultural Sciences Journal , vol. 12, no. special Issue, July 2020, pp. 599-0, doi:10.52951/dasj.20121050.