问题二: % ^7 M, @( W) e, n8 \+ a" B 7 `' R S R/ R7 e; h" x院子里前房东种的苹果和樱桃,去年都结了很多果子,但是都特别酸,尤其是樱桃,长到了暗红色都还酸得不能吃,请问这是品种的原因还是其他? 另外果树要施肥吗,施什么肥好?另外苹果树下有些很大的蚂蚁,要灭吗?
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As far as I know, cherry trees that are hardy enough to survive our winter do not produce cherries sweet, if anyone knows any hybrid cultivars that are exceptionally sweet/hardy, please let me know its name, for years, I've been hunting for one, thanks.