we have the ability to look at land productivity for decaddeca and create programs that say what seeds, what fertilizer they need and what kind of pesticides. if a farmer puts too much fertilizer and too many other inputs on and isn't getting a better yield that is reducing the potential profit. we are using gps and precise location-based tools. it is like a science. >> host: drones. drones as well? >> guest: that is an emerging area. if we can get commercial clearance for using some of these tools it is actually very useful way to monitor crop conditions. one thing that is important now is what is the health of the crop through the growing scenes after you have planted it. you need that knowledge so you can go out and say if you have irrigated land it will help you understand how much water and the additional nutrients now need. >> host: how specific can you get? down to what level? >> guest: we get down to like ten meters square. >> host: another picture in the may edition is one from brazil where 8 million hens lay 5.4 million eggs a day. egg consumption has increased seven-fold dri