Questo Link non esiste nella tua lingua, Vedi in: English (en),
Oppure utilizzare Google Translate:  

http://www.canopeoapp.com/#/login

Canopeo is a rapid and accurate green canopy cover measurement tool. Use this app to quantify the percent canopy cover of live green vegetation for any agricultural crop, turf, or grassland based on downward-facing photos taken with your mobile device.