一九七五年北方地区春小麦良种联合区域试验天津点的工作,在科学研究必须为无产阶级政治服务、为工农兵服务,与生产劳动相结合的方针指引下,继续上年度在芦后大队的试验。根据《一九七三至一九七五年北方地区春小麦研协作方案》,在去年试验结果的基础上,今年进一步鉴定近年北方地区各省市和本所新选育出的优良品种(系)对我市农业生产上一年两熟耕作制度的适应性,为 In 1975, the work of testing the joint regional trials of spring wheat varieties in the northern part of the country continued in the previous year under the guidance of the guideline that scientific research must serve proletarian politics, serve the workers, peasants and soldiers and combine with productive labor. test. According to the “Cooperation Plan for Spring Wheat Research from 1973 to 1975 in Northern China”, on the basis of the experimental results of last year, this year, we further identified the fine varieties (lines) newly selected and bred by provinces and cities in northern China in recent years The adaptability of the double cropping system of agricultural production in our city last year was