Abstract To exploit the full potential of plants, it is essential to provide an adequate water balance during critical growth stages. With knowledge substrate’s matric potential, possible realistically measure amount available plant. The objective this research study effect substrate on beans, lettuce, sweet peppers, watermelon, and cauliflower plants. goal was evaluate main fertigation paramet...

This research was carried out at Research Station , Department of Horticulture and Landscape Engineering College Agricultural Sciences University Baghdad during fall season 2020, it aimed to improve flower productivity, quantity quality essential oils with increasing the concentration N, P K elements in nutrient solution, foliar app `lication Plant growth promoters (PGP) on Rosa Damascene grown...