田间渠道规划一般包括斗、农(毛渠)等固定渠道的规划。规划的正确与否,关系到能否合理利用土地,充分发挥灌溉效益,防止土壤次生盐渍化,实现高产稳产的问题。(一)规划时应遵照的原则:1、在满足灌溉需要的前提下,渠道应短直,尽量减少工程物的数量;降低工程物的规格;减少投工投资.2、在水源种类较多的地区,应清、洪、井灌结合,与 Field channel planning generally includes fighting, farming (furrows) and other fixed-channel planning. Planning is correct or not, related to the rational use of land, give full play to irrigation benefits, to prevent secondary salinization of soil, to achieve high and stable yield. (1) The principles to be followed in the planning: 1. The channels should be short straight to minimize the quantity of construction materials, reduce the specifications of the construction materials and reduce the investment in investment in the premise of meeting the needs of irrigation. (2) Areas, should be clear, Hong, well irrigation with, and