Could poor pollination explain why these trees produced so little fruit?

How to say “Could poor pollination explain why these trees produced so little fruit?” in Japanese

In Japanese

ここの木(き)にあまり実(み)がならなかったのは、受粉(じゅふん)がうまくいかなかったからかな。

Koko no ki ni amari mi ga naranakatta no wa, jufun ga umaku ikanakatta kara kana.

Could poor pollination explain why these trees produced so little fruit? in other languages