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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