Kaymak, H. Çağlar and Aksoy, A. 2020. The Effect of Foliar Fertilization with Different Doses of Nitrate Sources on Yield, Nitrate Accumulation and Cost of Lettuce (Lactuca sativa L.). Turkish Journal of Agriculture - Food Science and Technology. 8, 4 (Apr. 2020), 971–976. DOI:https://doi.org/10.24925/turjaf.v8i4.971-976.3243.