gradually increased the cultivation area
... suitable cultivation area 适宜栽培区 gradually increased the cultivation area 栽培面积逐步增加 cultivation area of oniltea camellia 油茶栽培区域 ...
基于10个网页-相关网页
gradually increased the cultivation area
逐步增加种植面积
以上为机器翻译结果，长、整句建议使用 人工翻译 。