nes with ththe good ro traits fo nitrog and wer acquision, were talkinghree tfour fo increase yieldnder droughgh. in a study pubshed last year, had an eightfold increase. that was eight times more aled without water. instead of putting on more fertrtilizers and wawater, we ae just selecting foror a better seed. by h having a tter root sysyste, we can have muchch better crop. i think k the impactct is goingo contininue. the overall picture is that we are really coming up with -- against biological lits of what we can dodo. you cannot j just assume that we will be able to continue making on moretilizer, putting irrigation s systems. therere are plenty of reresourcs to go around. we can't make progress t this proboblem. ---- we can make progress on ths problem. is not gogoing to take some kikind of magic tecechnology tht hahas not beenen invented yet. we can use this usingng conventional plant brbreeding ad common sense. [captionons made possisible by t televivision] vpaçÑÑ [applause] nalini nadkarni: thanks. we bioneers hover at an epic moment of environmental destruction and environmental hea