hideaki was having trouble managing his crops. >> we have spinach there, cabbage there, and that field over there with the black soil is ours too. we have land all over the place. >> many farms in japan have been abandoned. he started farming these vacant fields to increase production. his farm is scattered around 90 plots in the area. now we can use the system to streamline operations. he keeps track of his workers with gps, he can see if they're working from field to field in a cost effective way. gps records also allow them to track the progress in each field at a glance. the areas shown in blue have been completed, red indicates work needs to be done. i think it will even let us compete with rivals overseas. >> unlike the majority of his fellow farmers, he considers the tpp free trade agreement a good opportunity for his viz. he says the technology will boost competitiveness in the framework, and help an industry that needs to change in order to survive. >>> japanese businesses are trying to get mouths watering in china for a dish that's popular back home. it's curry rice. demand i