>> tre are vieties being grown toda in afri, asia, amica, that have better roo, betterieields. at is s ppening today. uble andriple thyields thout feilizerer, st by lectininfor the tttter nutrient whenen we look at ththlines with the good root traits for nitrogen and water acquisition, we are talking a tee to four fold increase in yield undnder drought. in a s sdy published last year,, we had an eightfold increase. that was eight times more healed without water. instead of putting on morore fertilizers s and water, we are just selectiting for a better seeded. by havg a better r root system, wewean havave much better crop. i i think the e impact is s goio continue.. the overall picture is t that we are really coming up with -- against biologal limits of what we e can do. you cannot just assume that we will be able to continue making on morreilizer, putting irrigagation systems. therare plenty of f resources to go around. we can't make proesess onhiss problem. -- we can make progress on n ths proboblem. it is s not going to take sosome kind of magigic technonology tht has nonot b