Fertilizer prices are down on last month across NI and the indications are that farmers can expect a further drop in price. A lack of buying demand has seen merchants experience a lull in trade and prices are being discounted to encourage sales.According to a number of agricultural merchants, prices were at their peak over May and June, with straight nitrogen selling from £260/t to £270/t. These prices have taken a £10/t to £15/t drop.