Hsu Hsin-tz'u of the Taiwan Agriculture Research Institute has been able to speed up the growth of pear trees, which ordinarily begin bearing fruit seven to eight years after planting.
然而水果栽培技術不斷進步，好的品種不斷引進，結果是大家的要求也越來越高。以梨為例，為了省事和水土保持，當然最好是有能在平地生長，品質又跟溫帶梨一樣好的品種。改良水果也要「略施小計」