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Table 2.
Influence of cultivation technologies on nitrate nitrogen reserves under spring wheat (2018-2020)
| Variants | Nitrate Nitrogen Reserves | ||
|---|---|---|---|
| before sowing | earing | before harvesting | |
| 1. Extensive technology: unfertilized, plowing | 27.0 | 64.9 | 11.3 |
| 2. Intensive technology: 100% min., N60P60K60. plowing | 38.3 | 72.4 | 12.2 |
| 3. Resource‐ saving technology 1:50% org. 50% min. sugar beet tops + Humistim+ N30P30K30. plowing | 38.5 | 71.6 | 13.2 |
| 4. Resource‐ saving technology 2: 50% org. 50% min., sugar beet tops + Humistim+ N30P30K30, subsurface tillage | 38.0 | 70.5 | 13.1 |
| 5. Resource‐ saving technology 3: 50% org. 50% min. sugar beet tops + Humistim+ N30P30K30, surface tillage | 37.0 | 69.7 | 12.8 |
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