日i2 Crop removal of phosphorus in average yields of harvested produce in Wastern Europe, 1999 estimate Weld Cuncentration Offtake kg P;/t kg FOs/ha Oilseed Rane 305 157 51 Pulses 307 3.5 30 Wheat 55 7日 4后 potatoes 33.了 1.1 37 Sugar beet 55日 8 45