Irrigation There is no doubt that drip irrigation is nowadays the most efficient and profitable system of fertirrigation. The water has to be delivered to be delivered to each one of the plants with the same intensity and energys so that each one of them receives the the same amount of fertilizer. At Agrosistemas del Sur S.L. we carry out an exhaustive study of the soil to offer you the best drip system which adapts itself to your installation's requirements together with a calculation of the tubing and branches necessary for water delivery.