Open Access
Table 1.
Dependence of nitrogen balance on the use of mineral fertilizers and biologics, kg/ha. Average for 2013–2018
| Background | Variant | Removal | Input | Balance, +/– | Balance intensity, % |
|---|---|---|---|---|---|
| zero | 1. | 73.6 | 26.0 | ‐47.6 | 35.3 |
| 2. | 81.1 | 36.2 | ‐44.9 | 44.6 | |
| 3. | 90.4 | 42.0 | ‐48.4 | 46.5 | |
| 4. | 101.9 | 55.3 | ‐46.6 | 54.6 | |
| 5. | 88.3 | 38.8 | ‐49.5 | 44.0 | |
| Average of the background | ‐47.4 | ||||
| NH4NO3 | 1. | 83.8 | 60.0 | ‐23.9 | 71.6 |
| 2. | 94.3 | 72.2 | ‐22.1 | 76.6 | |
| 3. | 105.7 | 76.0 | ‐29.7 | 80.3 | |
| 4. | 122.9 | 92.4 | ‐30.6 | 75.2 | |
| 5. | 114.7 | 75.0 | ‐39.7 | 65.4 | |
| Average of the background | ‐29.2 | ||||
| ½NH4NOm | 1. | 82.8 | 47.8 | ‐35.0 | 57.7 |
| 2. | 94.8 | 61.0 | ‐33.9 | 64.3 | |
| 3. | 106.3 | 57.5 | ‐48.8 | 54.1 | |
| 4. | 130.1 | 76.7 | ‐53.4 | 59.0 | |
| 5. | 118.1 | 62.7 | ‐55.4 | 53.1 | |
| Average of the background | ‐45.3 | ||||
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.