นี้ Link ไม่ได้อยู่ในภาษาของคุณ, ดูใน: English (en),
หรือใช้ Google Translate:  

www.fao.org/land-water/databa.../crop-information/

This section presents information about individual crops, their crop water requirement, yield response to water; and bibliographic database on crop water productivity.