Two field experiments were conducted at 2018 and 2019 seasons at private farm in Talkha, El-Dakahlia governorate, to evaluate the effect of soaking times of some nutrients and their interaction on vegetative growth characters, photosynthetic pigments, yield and tuber quality of potato. The experiment was arranged in split plot design in complete blocks randomized. This research included 15 treatments consist of three soaking times of nutrients (1 hour, 2 hours and 3 hours) and 4 nutrients application i.e., NPK, zinc (Zn), boron (B), Zn+B in addition control treatment (tap water). Obtained results cleared that soaking tubers pre planting 3 hours gave the maximum values of vegetative growth characters, photosynthetic pigments, yield and tuber quality. All nutrients application significantly increased measured parameters compared to the control treatment. NPK gave the highest values of vegetative growth characters, photosynthetic pigments, yield and tuber quality. Thus, It can be recommended that soaking tuber pre planting 3 hours with NPK enhanced potato growth, yield and quality.
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