Cylindrical Drip tubing is used in the delivery of water directly to the roots of plants. Specifically, drip tubing is made from polyethylene and has emitters that are placed at intervals along the tube that correspond with the placement of each plant. This ensures that water is delivered directly to each plant's root zone. Irrigating in this manner is not only very precise and efficient, but it also conserves water because of the low flow-rate that is required.
Flat Drip is used by market gardeners and other commercial growers for main supply lines, submains, headers and manifolds. The advantages of flat tubing are: