agricultural products trader andreas krentz is looking for this type of wheat his customers are mostly based in rich oil producing countries in the persian gulf. many could do well in the arab world where we know from experience that significantly higher wheat quality is required. farmer detail has always made class a wheat but now he doubts whether he can continue to deliver such quality in the future the reason new fertilizer regulations the law stipulates exactly how much nitrogen fertilizer he can use in his wheat fields near leipsic. the law aims to reduce damage to the groundwater by reducing the amount of nitrogen fertilizer but to produce protein rich wheat the soil needs a lot of nitrogen. for has to use increasingly expensive machinery to comply with the regulations otherwise he could face stiff penalties. the farmer feels under pressure and is worried that his harvests will continue to decline. damage sequence that will cut our yield and then in a year's time it falls again that on. each year the yield is worse because the amount of nitrogen is calculated annually at all by