According to the latest market quotes: For the same ton of urea, the domestic spot price is less than 2,000 yuan, while on the international market, the spot price is already close to 5,000 yuan. Last year, the lowest price of urea was only a little over 300 US dollars, equivalent to less than 2,400 yuan in RMB. That is to say: In just a few months, the price of urea on the international market has...