Treatments

Yield (ton) ha−1

Gross return (Tk ha−1)

Total cost of production = Fixed cost + Treatment cost (Tk ha−1)

BCR

T1 = Autostin 50WP

20.21

404,280

97,420

4.14

T2 = Furadan 3G

19.02

380,500

100,720

3.77

T3 = Krosin 10SP

19.62

392,400

96,640

4.06

T4 = Trichoderma sp

25.86

517,240

94,320

5.48

T5 = Poultry manure

18.13

362,660

103,320

3.51

T6 = T1 + T4

20.80

416,180

100,020

4.16

T7 = T2 + T4

19.32

386,440

103,320

3.74

T8 = T3 + T4

27.34

546,980

99,240

5.51

T9 = T1 + T5

19.91

398,340

109,020

3.65

T10 = T2 + T5

18.43

368,620

112,320

3.28

T11 = T3 + T5

23.18

463,740

108,240

4.28

T12 = T4 + T5

21.10

422,120

105,920

3.98

T13 = T1 + T4 + T5

28.24

555,120

111,620

4.97

T14 = T2 + T4 + T3

22.29

602,100

108,240

5.56

T15 = T2 + T3 + T4 + T5

32.10

681,400

119,840

5.68

T16 = Control

8.02

160,520

91,720

1.75