planting system in us on both the state of water and. until now chemical agents have enabled conventional farmers to grow the most profitable crops now many of them are looking enviously at colleagues they used to mock organic farmers. weeds grow in their fields too except here they're not exterminated with chemicals. organic farmer finer bone for us to use is methods that have proven first full since the dawn of agriculture that's the seeds was are you big this is harry advantage which is a real nuisance during harvest was on the go because but we've learnt to keep it under control through how in. good time you know we have a lovely clean crop it's a minor because it's all thanks to mechanical weed control. we called we would have won. organic farmers are not averse to high tech methods either some now have state of the art mechanical hose that relieve fields of unwanted visitors there fitted