Utilization of hydrogel for reducing water irrigation under sandy soil condition 5-Yield and yield components of potato (Solanum tuberosum L.)as affected by hydrogel and drought stress in sandy soil.

摘要

ABSTRACT Field experiment was carried out during summer season of 2014 in research and production station of National Research Centre NRC, Al Emam Malek village, Al Nubarie district, Al Behaira Governorate, Egypt. Effect of hydrogel at rate of 8 g/m2 and control (without) and four irrigation quantity (100%, 75%, 50% and 25% from recommended quantity) which were 3000 ; 2250 ; 1500 ; 750 m3/feddan on yield, yield components of potato (Solanum tuberosum L.) variety (sponta) was studied under newly.