cultivation/ˌkʌltɪˈveɪʃn; ˌkʌltə`veʃən/ n[U]cultivating (cultivate 1) or being cultivated 耕作; 耕种 the cultivation of the soil 耕作 land that is under cultivation, ie is being cultivated 耕种的土地 bring land into cultivation 开垦荒地.
牛津英汉双解词典