188
Table 7 Least squares means of production costs, cotton yields, total revenue and land rents for different treatments in two growing seasons
Treatment
Costs (US$ ha
−1
)
Cotton yield (Mg ha
−1
)
Total revenue (US$ ha
−1
)
Land rent (US$ ha
−1
)
Season
S1
S2
S1
S2
S1
S2
S1
S2
Fertility management practices
CF- 0
219
198
1.23
ab
0.45
a
566
a
208
a
347
a
10
bcd
CF- 30
320
293
1.39
bc
0.43
a
643
ab
200
a
324
a
−-93
ab
CF- 60
369
339
1.56
c
0.50
a
722
bc
230
a
353
a
−109
a
CF- 30 + M
298
269
1.52
c
0.49
a
701
bc
226
a
403
ab
−43
abc
OF- 0
209
189
1.19
a
0.48
a
657
ab
268
a
448
b
79
de
OF- 3
232
205
1.42
c
0.44
a
789
c
242
a
556
c
37
cd
OF- 5
237
215
1.17
a
0.38
a
651
ab
212
a
414
ab
–3
abcd
OF-3 + L
266
242
1.39
bc
0.50
a
930
d
396
b
664
d
155
e
Pesticide management practices
CP- 0
269
248
1.22
a
0.48
a
564
a
222
ab
295
a
−27
ab
CP- 3
294
267
1.39
abc
0.40
a
640
ab
183
a
346
ab
−83
a
CP- 6
319
290
1.53
bc
0.49
a
708
bc
224
ab
389
bc
−65
a
CP-3-N + CU
324
295
1.56
c
0.51
a
720
bc
235
ab
396
bc
−60
a
OP- 0
219
195
1.29
a
0.44
a
747
c
280
ab
528
d
84
c
OP- P
239
217
1.36
ab
0.53
a
802
c
322
b
562
d
106
c
OP- N
241
218
1.22
a
0.38
a
716
bc
241
ab
474
cd
23
abc
OP-N + CU
245
221
1.31
a
0.45
a
762
c
275
ab
518
d
54
bc
Selected combinations of fertility and pesticide management practices
CF-0 & CP-0
188
171
1.08
a
0.44
a
545
a
203
a
357
ab
32
abc
CF- 30 & CP-3
310
285
1.27
ab
0.37
a
588
a
171
a
278
a
−114
a
CF- 60 & CP-6
388
354
1.76
c
0.50
a
810
b
232
Aab
422
abc
−121
a
T. N. Bwana et al.