处理

Treatment

产量(kg/hm²)

Yield

较CK增产(%)

More than CK yield

肥料投入(元/hm²)

Fertilizer inputs (RMB/hm²)

施肥效益(元/hm²)

Fertilization benefits (RMB/hm²)

CK

12,602.6 b

0.0

OPT

16,577.6 a

31.5

2634.1

4520.9

ZF1

16,461.8 a

30.6

2340.0

4606.6

ZF2

16,666.8 a

32.2

3120.0

4195.6

ZF3

16,952.0 a

34.5

3900.0

3928.9