Table 1.
The content of productive moisture in the soil under grain tillage crop rotation sequence depending on the effect and aftereffect of various forms and norms of organic fertilizers in comparison with the effect of mineral fertilizers and the natural background (weighted average chronological indicators for the growth and development of crops, mm)
Norms and types of fertilizers | Spring wheat (effect, 2016) | Corn (1st year of aftereffect, 2017) | Spring wheat (2nd year of aftereffect, 2018) | ||||||
---|---|---|---|---|---|---|---|---|---|
Soil layer, cm | |||||||||
0-20 | 0-40 | 0-100 | 0-20 | 0-40 | 0-100 | 0-20 | 0-40 | 0-100 | |
Without fertilizers – control (natural background) | 20.9 | 36.6 | 107 | 26.86 | 49.4 | 142.0 | 28.8 | 53.6 | 128.2 |
NPK of mineral fertilizers to obtain 4 t/ha of grain and 40 t/ha of corn green mass | 22.3 | 39.6 | 119 | 25.9 | 49.4 | 135.0 | 27.8 | 52.0 | 140.5 |
GCM 1,0 t/ha | 23.7 | 40.6 | 136 | 29.7 | 57.9 | 143.8 | 38 | 65.8 | 156.9 |
GCM 2,0 t/ha | 23.9 | 44.0 | 137 | 31.2 | 58.3 | 161.6 | 38 | 67.9 | 173.3 |
GCM 3,0 t/ha | 25 | 43.3 | 139 | 34.4 | 64.9 | 170.2 | 39 | 75.9 | 177.1 |
Straw-based manure 42 t/ha (in the composition of 3 t/ha GCM) | 21.4 | 39.6 | 126 | 32.7 | 61.4 | 146.2 | 37.5 | 67.6 | 177.2 |
Buckwheat green manure 27 t/ha | 21.1 | 38 | 120 | 30.1 | 56.7 | 144.1 | 36.1 | 63.7 | 174.6 |
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