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Salinity and drought are the two main factors that cause fiber yield and quality losses in kenaf. It is reported that salinity and drought can affect more than 10% of arable land and cause a global decline in the average yields of major crops by more than 50%. Therefore, understanding plant tolerance of drought and salinity is of fundamental importance and has become the focus of intensive research. This protocol describes a simple and reproducible protocol to imitate natural salinity and drought stress under soil conditions. Even though the water-culture method is most frequently used for salinity and drought treatments, the soil-culture method in this study was more applicable to studying natural stress conditions.