Open Access
Table 2.
Yield of potatoes of the Red Scarlett variety, depending on background nutrition (t/ha)
| Variant | Crop capacity [t/ha] | ± to reference variant | |||
|---|---|---|---|---|---|
| 2014 | 2015 | 2016 | moderate | ||
| 1. No fertilizers (reference) | 19.26 | 18.22 | 17.3 | 18.26 | – |
| 2. N60P60K90 (background) | 31.45 | 29.25 | 24.65 | 28.45 | + 10.19 |
| 3. Manure 60 t/ha | 30.14 | 28.33 | 23.16 | 27.21 | + 8.95 |
| 4. Background + manure 60 t/ha | 38.25 | 35.12 | 31.48 | 34.95 | + 16.69 |
| 5. Background + green manure | 35.24 | 33.67 | 29.61 | 32.84 | + 14.58 |
| 6. Background + green manure + straw | 38.12 | 36.96 | 33.7 | 36.26 | + 18 |
| 7. Background + manure + straw | 39.44 | 38.32 | 34.68 | 37.48 | + 19.22 |
| 8. Manure + green manure + straw | 36.54 | 35.26 | 31.28 | 34.36 | + 16.1 |
| LSD05 | 1.44 | 1.49 | 1.28 | ||
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