Open Access
Table 4.
The effect of zeolite and mineral fertilizers on the yield of maize grain (2016-2018)
| Option | Years, t/ha | |||||
|---|---|---|---|---|---|---|
| 2016 | 2017 | 2018 | Average | Deviation from control, | ||
| t/ha | % | |||||
| Control | 6.21 | 5.59 | 5.87 | 5.89 | – | – |
| Zeolite, 500 kg/ha | 7.36 | 6.51 | 6.58 | 6.82 | +0.93 | 16 |
| Zeolite, 2000 kg/ha | 7.88 | 6.73 | 7.15 | 7.25 | +1.36 | 23 |
| N60P60K60 (NPK) | 8.36 | 7.27 | 7.58 | 7.74 | +1.85 | 31 |
| Zeolite, 500 kg/ha + NPK | 8.99 | 7.89 | 8.07 | 8.32 | +2.43/0.58* | 41/7 |
| Zeolite, 2000 kg/ha + NPK | 9.35 | 8.14 | 8.47 | 8.65 | +2.76/0.91 | 47/12 |
| Zeolite, 500 kg/ha + N60 | 8.64 | 7.42 | 7.97 | 8.01 | +2.12/0.27* | 36/3 |
| Zeolite, 2000 kg/ha + N60 | 9.07 | 7.72 | 8.27 | 8.35 | +2.46/0.61* | 42/8 |
| LSD05 | 0,42 | 0,27 | 0,31 | |||
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