一、系列设计进展情况南方水田犁系列设计是在原东方红水田犁系列基础上进行整顿、补缺、提高,以适应南方十三省(区)市大部分水田地区主要耕作要求,与国产拖拉机20(25)、30(35、37)、50、75(54)配套的铧式犁系列设计。一九七二年五月,在北京召开的拖拉机农具配套会议上,经各省代表酝酿初步 A series of design progress South plow series design is based on the original Oriental red paddy plow series on the basis of rectification, fill vacancies, increased in order to meet the southern part of the thirteen provinces (regions) major paddy fields in major farming requirements, and domestic tractors 20 ( 25), 30 (35,37), 50,75 (54) supporting the plow series design. In May 1972, at a supporting meeting for tractor tools held in Beijing, preliminary deliberations by provincial representatives