Effect Of Some Agricultural Treatments on Sweet Potato in Sandy

This is the frist try to cultivate the sweet potato crop under soil condtions in Egypt. Thus the aim this work is to determine the optimun requrements of nitrogen and potassium fertilizers and to asses the most suitable planting date under drip irrigation system, in order to investigate the effect of these factors on plant growth, photosynthetic pigments, root chemical constituents, and yeild and its components.