【摘要】 在多年多点非平衡数据的区域试验中，用两期重参数化方法，以试验场点对年份指数进行线性回归，估算试验场点对年份的稳定性。并选用湖北省棉花区域试验部分资料，对试验场点作出综合评价。更多还原

【Abstract】 In regional testing of unbalanced date for many years and many spots,two term reperted parameter method is use for the linear regression of testing spots to year′s index. The stability of testing spots to year’s effects is evaluated. The partial data in Hubei province regional cotton testing is choosen, and the synthesize appraisal of breeding testing spots is made.更多还原