试验在镇江市农科所园艺公司试验场进行.供试品种为日本引进的分葱新品种NZ101.1996年9月播种育苗,1997年4月移植,10月定植.随机区组排列,3次重复,小区面积2m~2.畦宽1m,双行定植.在所有行距一致的条件下采用不同的株距即8、10、12cm,以及不同的每穴蘖数即1蘖、2蘖、3蘖,组合成8cm×1蘖、8cm×2蘖、8cm×3蘖以及10cm The experiment was carried out in the experimental farm of horticultural company of Zhenjiang Agricultural Institute.It was introduced into Japan by introducing the new onion variety NZ101.The seedling was sown in September 1996, transplanted in April 1997 and colonized in October.The randomized block arrangement and 3 repetitions , The plot size is 2m ~ 2, the width is 1m, and the two rows are planted.Under the same row spacing, different spacing (8,10,12cm) and different number of tillers per tiller, ie 1 tiller, 2 tiller, 3 tiller, Combined into 8cm × 1 tiller, 8cm × 2 tiller, 8cm × 3 tiller and 10cm