Hydroponic apparatus and hydroponic method

A hydroponic apparatus, comprising a cultivation tank and a plurality of planting containers, wherein

• the cultivation tank comprises an inner space configured to contain nutrient solutions and a planting groove formed on the top of the cultivation tank;
• and
• each of the plurality of planting containers comprises a container body and a container brim, each of the plurality of planting containers is capable of being arranged on the planting groove along a width direction of the planting groove through the container brim, each of the plurality of planting containers is movable along a length direction of the planting groove, and each of the plurality of planting containers is configured to grow a plant;
• the hydroponic apparatus comprises a planting container moving mechanism, and the planting container moving mechanism comprises a push mechanism configured to push the plurality of planting containers to move along the planting groove and a rotating mechanism configured to rotate the push mechanism;
• the push mechanism comprises a holder, a push rod and a push driving mechanism fixed on the holder;
• the holder is arranged in parallel with the planting groove, and is rotatable around an axis extending along the length direction of the planting groove;
• the push driving mechanism is connected to the push rod in a transmission manner, to move the push rod back and forth along the length direction of the planting groove;
• and
• the rotating mechanism comprises a rotation driving mechanism, and the rotation driving mechanism is connected to the holder in a transmission manner, to drive the holder to rotate around the axis extending along the length direction of the planting groove.