Considering both of turf greenness and uniformity, fertilized treatments of5g N + 3.3g P2O5 + 3 .3g K2O or 10g N + 6.6g P2O5 + 6.6g K2O/m2 with two times per year are betterfor kentucky bluegrass turf.

• 综合考虑应采用每次每平米5克氮、3.；3克P2O5和3