一、井渠结合的形式和特点(一)井渠结合的形式井渠结合的形式,按工程布局可分两种,一是井渠并存,即在同一地区有井也有渠,两套工程设施齐备;二是井渠分设,即纯井灌在灌区内以片状或条状与渠灌交错分布。按运用方式可分三种,一是井渠并用,即在一定时期内,有时用渠灌,有时用井灌;或 I. Forms and Features of Well-Channel Combination (I) Combination of well and channel The form of well and channel combination can be divided into two types according to the layout of the project. First, the well and the well coexist, that is, there are wells and ditches in the same area. Two sets of engineering facilities Complete; the second is divided into well, namely, pure well irrigation in the irrigation area to strip or strip and canal staggered distribution. According to the method of application, it can be divided into three types. Firstly, the well and the channel are used in combination. That is, for a certain period of time, canal irrigation is sometimes used, sometimes with well irrigation; or