The invention provides a method of growing plants comprising supplying water to the plants so that the plant roots contact a body of water and drawing water through a suction device (3) provided in contact with the body of water and into a first conduit (4) connected at one end to the suction device (3) and through the first conduit (4) into a second conduit (5) connected to the other end of the first conduit (4), characterised in that the second conduit (5) is at least partially filled with air and the water is released from the first conduit (4) into air space in the second conduit (5). The invention also provides an apparatus suitable for carrying out the method.
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