Design criteria of sprinkler irrigation for the dry zone [reddish brown earths, Sri Lanka]

agua del suelo asia asie atmospheric disturbances atmospheric formations chemicophysical properties clima climat climate climatic zones conception condiciones ambientales condition de milieu design eau du sol environment environmental conditions environnement equipment equipo irrigation irrigation par aspersion irrigation systems medio ambiente methode methods pression pressure riego sistemas de riego site factors soil water sprinkler irrigation sri lanka vent viento winds zone climatique zone semi-aride