%0 Journal Article
%T Effects of different nitrogen and potassium sources on lettuce (Lactuca sativa L.) yield in a sandy soil
A% Mohamed Awaad
A% Ragab Badr
A% Mamoduh Badr
A% Ahmed Abd-elrahman
%J Eurasian Journal of Soil Science
%V 5
%N  4
%P 299 - 306
%@ 2147-4249
%D  2016
%l - Federation of Eurasian Soil Science Societies