S/N

Fertilizer materials

N

P

K

Ca

Mg

1

CONTROL

155.20^k

64.70^j

180.10^k

160.20^k

10.6^g

2

CPHA @ 1 t/ha

210.20^j

80.10^h

260.90^j

164.90^j

13.53^f

3

CPHA “2”

254.82^h

86.11^ef

301.30^h

308.60^h

15.60^e

4

CPHA “3”

265.83^g

90.01^d

343.17^g

400.10^f

16.80^d

5

CPHA “4”

310.42^d

95.35^b

360.50^d

34.12^a

18.30^c

6

CPHA “5”

305.60^de

87.78^e

359.70^de

430.60^e

17.00^d

7

OPA “1”

200.60^j

77.60ⁱ

285.21ⁱ

175.60ⁱ

15.00^e

8

OPA “2”

245.30ⁱ

83.35^g

355.80^f

399.49^g

17.31^d

9

OPA “3”

301.30^c

92.00^c

380.90^c

488.42^c

18.84^c

10

OPA “4”

320.00^b

95.10^b

509.80^a

589.65^a

22.99^a

11

OPA “5”

289.60^f

93.20^bc

506.10^ab

590.10^b

20.69^b

12

NPK 20:10:10

335.65^a

97.12^a

356.43^ab

160.10^j

9.86^j