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我们在从事多年杂文早稻试验、示范、推广的实践中,发现发芽率、成秧率低是制约杂交早稻生产发展的一个重要因素。经过深入的调查研究并辅之以一些室内试验,我们认为提高杂交早稻种的发芽率、成秧率应采取下列行之有效的技术措施:
In the practice of experimenting, demonstrating and popularizing early essay for many years, we found that the germination rate and the low rate of transplanting are an important factor restricting the development of hybrid early rice. After in-depth investigation and study supplemented by some laboratory tests, we think that the following effective technical measures should be taken to improve the germination rate and the seedling emergence rate of early hybrid rice varieties: