the technique parameters assembly range of water-controlled partial wetting irrigation was:the suitable perforation ratio is about 14%,the submergence height is 7-9 cm,and the irrigation low limit is above 70%.

• 局部控水浸润灌溉合理的技术要素组合为:淹没高度为7-9 cm,适宜开孔率为14%25左右,灌水下限不低于70%25田间持水率。