Nan is planted corn, than 6 a farm from all over the country 7 million 3 hundred thousand Rai is a 5 of the country, most in the north. Farmland, mostly in 2004. Had the most planted last year.In 8 hundred thousand acres. So it is no surprise that when it comes to Nan during March - April A timed planting corn, will see ability. Human effort to manage the whole mountain to only land brown orange.No foreign matter for the cultivation of the next round.