Table 9 Economics of the maize hybrid “Pioneer SC-30N11” as affected by compost, the potassium fertilization forms and their interaction during both seasons.

From: Potentials of organic manure and potassium forms on maize (Zea mays L.) growth and production

Attributes

K- fertilizer sources (K)

 

2017 season

 

2018 season

Compost (ton/ha): (C)

Average (K)

LSD at 0.05

Compost (ton/ha): (C)

Average (K)

LSD at 0.05

0

5

10

K

C

K x C

0

5

10

K

C

K x C

Gross income ($)

Untreated (No- K)

1383.2

1615.8

1742.0

1580.3b

85.6

205.3

148.3

1457.0

1656.7

1743.4

1619.0b

83.8

127.3

145.1

Nano-potassium (K)

1593.4

1845.7

1818.7

1752.6a

1679.7

1951.4

1925.1

1852.1a

Humic acid (HA)

1597.2

1892.1

1872.5

1787.3a

1695.7

1910.1

2014.2

1873.3a

Potassium sulfate (K2SO4)

1639.2

1808.0

1690.6

1712.6a

1726.5

1889.1

1782.8

1799.5a

Average (C)

1553.3b

1790.4a

1781.0a

    

1639.7b

1851.8a

1866.4a

    

Net profit ($)

Untreated (No- K)

479.7

712.4

838.6

676.9 b

85.7

205.4

148.4

352.1

551.7

638.4

514.1b

83.8

127.3

145.2

Nano-potassium (K)

689.9

942.2

915.3

849.1 a

574.7

846.4

820.1

747.1a

Humic acid (HA)

693.7

988.6

969.1

883.8 a

590.7

805.1

909.2

768.3a

Potassium sulfate (K2SO4)

735.8

904.6

787.2

809.2 a

   

621.5

784.1

677.8

694.5a

Average (C)

649.8 b

887.0a

877.6a

    

534.8b

746.8a

761.4a

    

Benefit costs ratio (BCR)

Untreated (No- K)

1.5

1.8

1.9

1.7b

0.1

0.2

0.2

1.3

1.5

1.6

1.5b

0.1

0.1

0.2

Nano-potassium (K)

1.8

2.0

2.0

1.9a

1.5

1.8

1.7

1.7a

Humic acid (HA)

1.8

2.1

2.1

2.0a

1.5

1.7

1.8

1.7a

Potassium sulfate (K2SO4)

1.8

2.0

1.9

1.9a

1.6

1.7

1.6

1.6a

Average (C)

1.7b

2.0a

2.0a

    

1.5b

1.7a

1.7a

    
  1. Mean values in the same column/row marked with the same letters are not significantly different at the 0.05 level of probability.
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