Field difference displaying method showed that phosphorus use efficiency of the trickle irrigation specific fertilizer reached .9%, which increased .8% over that of ammonium phosphate (.09%).
Field difference displaying method showed that phosphorus use efficiency of the trickle irrigation specific fertilizer reached .9%, which increased .8% over that of ammonium phosphate (.09%).
差值法结果:滴灌专用肥磷素利用率均高于磷酸二铵,分别为.9%和.09%,提高.8个百分点。