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近年来,随着水田三熟面积的逐步扩大,茬口、季节的矛盾趋于突出。早稻生产已成为在一定耕作制中举足轻重、兼顾两头的关键环节。如何安排好它在不同茬口中的品种搭配及相应的播插季节,以发挥良种的增产潜力,是当前必须注意的一个重要问题。根据1974年省水稻科研协作会议提出的任务,由省农科所,孝感、恩施地区农科所,沙洋农场,浠水县农科所等五个单位,对代表不同熟期的三个主要早稻推广品种的适宜播、插期进行了联合试验。现将初步结果简报如下:
In recent years, with the gradual expansion of paddy field tri-area, stubble, seasonal conflicts tend to be prominent. Early rice production has become a pivotal part of a farming system, taking into account the two key links. It is an important issue that we must pay attention to how to arrange its varieties in different stubbles and the corresponding sowing seasons in order to bring into full play the potential for increasing the yield of fine varieties. According to the task proposed by the 1974 Provincial Rice Scientific Research Collaboration Conference, five units representing different maturities were set up by the Provincial Agricultural Science Institute, Xiaogan, Enshi Agricultural Science Institute, Shayang Farm, Xishui Agricultural Science Institute, Suitable varieties of early rice to promote broadcast, inserted during a joint test. The preliminary results are now briefed as follows: