TY - JOUR 
T1 - Effects of different nitrogen and potassium sources on lettuce (Lactuca sativa L.) yield in a sandy soil
JO - Eurasian Journal of Soil Science
VL - 5
IS - 4
SP , EP - 299 - 306
KW  - Urea-formaldehyde, urea, potassium sulphate, Lactuca sativa
SN - 2147-4249
DO - 10.18393/ejss.2016.4.299-306
PY - 2016
PB - Federation of Eurasian Soil Science Societies
ER -