This example illustrates the basic nature of agricultural research. It is time-consuming and needs constant on-the-spot observation of the crop cultivation situation, market reaction and other challenges that cannot be predicted in advance.
這個實例說明瞭農業研究的本質，雖然費時耗日，也得不斷地實地考察栽種的狀況、市場的反應和各種意想不到的新挑戰。