The proper amount of N, P2O5 and K2O applying on the Grey Desert Soil is N = 191.07kg/ hm2, P2O5 = 120.00kg/hm2, K2O = 45.27kg/hm2.lt shall obtain the highest yield.

• 在本试验条件下；北疆灰漠土棉区获得棉花高产的适宜氮磷钾用量为N=191.；07kg/hm~2；P_2O_5=120