特殊用法adequate irrigation1.水利化basin irrigation1.小块灌溉broad irrigation1.漫灌, 泛灌check irrigation1.畦灌flood irrigation1.漫灌flush irrigation1.淹灌furrow irrigation1.沟灌, 畦灌land filtration irrigation1.浸润灌溉light irrigation1.轻灌; 浅灌nozzle-line irrigation1.喷灌ridge irrigation1.畦灌sewage irrigation1.污灌spray irrigation1.喷洒灌溉法