The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered.
喷洒杀虫剂导致的植物繁殖力下降是否真的会导致开花植物物种总数的下降，这个问题仍然没有答案。
2
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
Effects of applied boron (soil application of boron, spraying boron on the plant) on the boron forms and leaf photosynthesis of papaya plants were investigated.