1.发生原因①畸形根:苗株破肚期后,由于没有及时间苗,株间密度过大,生长拥挤,使根部生长受限产生弯曲,促进了侧根萌动;秋萝卜生长期正值秋雨连绵,雨水过大或高温干旱时灌水太多或土壤板结;施用未腐熟的有机肥或施肥不均;在中耕除草 1. Causes ① deformity root: seedling break after the break, because there is no time and seedling, the density between the strains is too large, crowded growth, the root growth restrained bending, promoting lateral root germination; fall radish growing season is autumn Continuous, too much rain or high temperature and drought irrigation too much or soil compaction; application of non-matured organic fertilizer or uneven application of fertilizer;