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Table 8 Profitability analysis

From: Low cost maize stover biochar as an alternative to inorganic fertilizer for improvement of soil chemical properties, growth and yield of tomatoes on degraded soil of Northern Uganda

Season

Treatment (t ha−1)

Total Costs of Production (USD ha−1)

Total Revenue (USD ha−1)

Net Profit (USD)

1

0

1722.5

12,284.0ab

10,561.5a

3.5

1869.8

6376.5bc

4506.7abc

6.9

2413.6

3477.2c

1063.5bc

13.8

3501.3

4009.4c

508.2c

27.6

5676.5

14,139.8a

8463.2ab

p-values

 

p < 0.01

p < 0.01

2

0

1722.5

4889.4ab

3166.9ab

3.5

1326.0

1885.6b

559.6b

6.9

1326.0

1940.6b

614.5b

13.8

1326.0

4149.8ab

2823.8ab

27.6

1326.0

6322.8a

4996.8a

 

p-values

 

p < 0.01

p < 0.01

Mean

0

1722.5

8586.7a

6864.2a

3.5

1597.9

4131.1b

2533.1b

6.9

1869.8

2708.9b

839.3b

13.8

2413.6

4079.6b

1666.0b

27.6

3501.3

10,231.3a

6730.0a

 

p-values

 

p < 0.001

p < 0.001

  1. Means followed by same letters are not significantly different at Tukey p < 0.05