Treatments

Mean Crop Yield (Q/ha)

SE Mean

St.Dev

minimum

Maximum

Relative Yield advantage

Main effect for Compost

0 (control)

237.18^f

7.01

21.02

215

275

0.00

2.5t/ha compost

240.03^f

7.55

22.65

191.67

260

1.2

5t/ha compost

275.55^e

8.20

25.60

216.7

285

16.18

Main effect for Gypsum

2t/ha Gypsum

284.44^e

4.44

13.53

265

300

19.93

4t/ha Gypsum

325.00^d

4.82

14.46

310

350

37.03

Interaction effects

2.5t/ha compost+2t/ha Gypsum

355.77^c

6.33

18.99

330

397

50

2.5t/ha compost+4t/ha Gypsum

396.40^b

2.59

7.77

385

410

67.13

5t/ha compost+2t/ha Gypsum

406.70^b

3.05

9.14

395

425

71.73

5t/ha compost+4t/ha Gypsum

430.33^a

4.18

12.53

421

458

85.23

LCD (0.05)

25.03

CV (%)

6.05

T-test

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