To provide a method for culturing a crop capable of readily and accurately realizing optimization of culturing environment and a method for culturing the above crop.

This method for culturing a crop by feeding nourishment and water to crops by a nutritious liquid comprises a first step for measuring nourishment-absorbing characteristics of the crop, a second step for determining feed nutritious liquid characteristics in the growth stage based on the above nourishment-absorbing characteristics in growth stage measured in the above first step and a third step for feeding the nutritious liquid based on the above feed nutritious liquid characteristics determined in the above second step to the crop in this growth step in each growth stage of the crop.