hans kellner also doesn't use a traditional plow. he uses harrows and cultivators to loosen only the top layer of soil. and the remnants of the last harvest are worked into the ground. with excellent results. the yield here is four to five times higher than in georgia. a perfect and loss-minimizing process starting from the sowing to the storage of the grain. >> the problem is you have to be present, all the time. you have to be here to give them instructions, every step of the way. they can't judge yet when it's the right moment for to start spreading fertilizer, for treatment of the plants and for getting rid of weeds. that's why i've come out here every month, for this past eighteen month. i'll probably do that next year, too. that way they slowly get a feeling for it and learn how to do it. >> chacha -- a georgian schnapps to toast a successful visit to germany. and the return visit to georgia. two months later, hans kellner is about to pay a visit to his georgian counterpart. >> we're going to a field where they're planting wint