uçak, A.B. and Seçme, H. 2021. Determination of Irrigation Time Using Plant Water Stress Index Values of Second Crop Sunflower in Semi-Arid Climate Conditions. Turkish Journal of Agriculture - Food Science and Technology. 9, 12 (Dec. 2021), 2289–2295. DOI:https://doi.org/10.24925/turjaf.v9i12.2289-2295.4641.