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本文通过两年肥料试验得出:适量施肥可使群体中各枝序的结角起点高度和终点高度趋向一致,结角层呈华盖式;群体中中间状态分枝的生产力提高而转化为高效分枝,从而使结角层结构更趋合理。呼盟春油菜群体的适宜茎枝数为25—28万/亩左右。
In this paper, two years of fertilizers test results show that: the amount of fertilization can make each branch in the group of the knot starting point height and the end point of the trend tend to be consistent with the horn layer was huacha; intermediate state branch productivity increased and transformed into high efficiency Branches, so that the structure of the junction layer more reasonable. Huhmen spring rape population appropriate number of stems 25-28 million / acre.