The growth and development of upland rice root system were studied by three-dimensional coordinate container method.
采用自创的“三维坐标容器法”，研究了潮砂土、红壤土、水稻土对陆稻根系生长发育的影响。
They all accumulated on the surface of rice root system in the medium with higher ammonia concentration, while the wild type strains were removed from rice root surface in the same condition.
这些转化结合子在高铵下表现出固氮活性，并能集聚在水稻根表，而野生型菌在相同条件下远离水稻根表。
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