Terms for subject Agriculture containing Extension of

English	Chinese
extension of land utilization	扩大土地利用
extension of multiple cropping areas	扩大复种面积
extension of superior seed or good variety	良种推广
extension period of crop rotation	延长轮作周期
extension plot of seed growing	扩大良种繁育区
modernization of agricultural extension	农业推广现代化
proposed extension area of a variety	建议品种推广面积