it was cheaper therefore we could the benefits that could be seen to be bad to be because if he's chafer made to grow then if the price of the end product came down i could still produce it because after the end of the day i've got to make a margin whatever i'm doing as it happens because of the to. that knowledge and we were also finding that the g.m. crops yielded a bit more than the convention called in the same field under otherwise similar management because i was doing little. after what now thirteen years of crops in the field the theory is that. we'll have we have a herbicide tolerant trait that will reduce the demand for herbicides in we have to be a trait that will protect farmers are pretty crap from some does some pests that's the theory. even that can't be proven finally at this stage there's a still a constant battle union yang going on between researchers and the companies does to show whether or not this really does work or not. we're not seeing increased food production we're not seeing increased benefits to farmers in terms of their production costs we're not seem prove