The place Etcetera could be the crop evapotranspiration, Kc will be the coefficient, ET0 is definitely the reference evapotranspiration, 0.408 may be the unit conversion coefficient for the heat flux, �?is the slope from the vapour pressure curve, Rn may be the soil heat flux, G is the soil warmth https://mbr-reactor70246.canariblogs.com/the-5-second-trick-for-cation-anion-exchange-equipment-44128225