washington, d.c., office of microsoft for their annual tech fair, now we are the farm beach booth with ranveer chandra are we looking at? >> guest: here we are presenting a project called farm beat. the goal is to solve the world's food problem. we need to feed the growing population. how to do that? given the that of land is the same, how do you recommend private conscious why? in order to do that we look at the solution. previously people have been looking at this problem. for example, data-driven agriculture, these examples, the edgy about precision agriculture is instead of treating a promise of modules you treat the farm is heterogeneous to what that means is you apply water only where it's needed when it's needed where it's needed. you apply fertilizer only where it's needed, as this is only what is needed. you can plant seeds close together. all the stuff is -- >> host: artificial intelligence and uncle ted to do agriculture, how do you use those to improve farming? >> guest: outcome to that. in precision agriculture we need these. we need to be able to build water maps like how do the nutrient