Open Access
Table 1.
Comparative assessment of the effect of mineral fertilizers and biological products on the productivity of perennial herbs (2015-2018)
| Factor A (types of grass stands) | Factor B (fertilizers and biological products) | Green mass productivity, t/ha | Dry matter content, % | Gross dry weight, t/ha |
|---|---|---|---|---|
| Ryagrass multi-beetle (control) | Control (without fertilizer) | 18.6 | 27.2 | 5.1 |
| N88P35K43 (30 t/ha green masses) | 27.1 | 25.1 | 6.8 | |
| Azotovit 2 kg/t seeds + Flavobacterin 4 l/ha | 23.8 | 26.2 | 6.2 | |
| Albit 40 g/t seeds + Flavobacterin 4 l/ha | 21.9 | 26.8 | 5.9 | |
| Rizogrin 3 kg/t seeds + Flavobacterin 4 l/ha | 22.1 | 26.0 | 5.7 | |
| Ryegrass 60% + boneless rump 40% | Control (without fertilizer) | 20.9 | 28.3 | 5.9 |
| N88P35K43 (30 t/ha green masses) | 29.8 | 26.4 | 7.9 | |
| Azotovit 2 kg/t seeds + Flavobacterin 4 l/ha | 25.6 | 27.0 | 6.9 | |
| Albit 40 g/t seeds + Flavobacterin 4 l/ha | 23.4 | 27.9 | 6.5 | |
| Rizogrin 3 kg/t seeds + Flavobacterin 4 l/ha | 23.9 | 27.2 | 6.5 | |
| Ryegrass 60% + meadow fescue 40% | Control (without fertilizer) | 20.0 | 27.9 | 5.6 |
| N88P35K43 (30 t/ha green masses) | 28.6 | 26.1 | 7.5 | |
| Azotovit 2 kg/t seeds + Flavobacterin 4 l/ha | 24.8 | 26.9 | 6.8 | |
| Albit 40 g/t seeds + Flavobacterin 4 l/ha | 23.0 | 27.1 | 6.2 | |
| Rizogrin 3 kg/t seeds + Flavobacterin 4 l/ha | 23.2 | 26.8 | 6.2 | |
| LSD05 | A B AB |
0.32 0.40 0.45 |
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