The influence of Si, B, Mn and their coordination on the growth of potted plant Four-season-fragrant-olive by spraying fertilizer on the leaf surface were studied.
研究了在叶面喷施的条件下,硅硼锰以及硅硼锰配合对盆栽四季桂生长的影响。
3
Chamberlain scored 50 or more points four times in the season.