氮磷钾复合肥

Nutrien concentration(%)

Nutrien ratios

Trace-elements (ppm)

N    P2O5    K2O     

N     P2O5   K2O

Fe

Mn

B

Zn

Cu

Mo

20     20      20

 1        1      1

 500

 250

250

75

75

25

 15     30      15

 1        2      1

 500

 250

250

75

75

25

 25      9      18

 3        1      2

500

250

250

75

75

25

10     10      30

 1        1      3

500

250

250

75

75

25

16      6      36

2.7        1      6

500

250

250

75

75

25

FORMULATION

N from

P2O5

K2O

K Source*

NH4 +

NO3 -

28-7-7

19

9

7

7

SOP/MOP

20-6-8

11

9

6

8

SOP/MOP

20-10-12

11

9

10

12

SOP

21-17-17

12

9

17

17

SOP/MOP

16-6-20

11

5

6

20

SOP

12-12-17

8

4

12

17

SOP/MOP

15-15-15

10

5

15

15

SOP/MOP

13-5-25

8

5

5

25

SOP

30-6-0

17

13

6

0