What question did this study set out to answer?

The research aims to evaluate how fertilizer systems and crop rotation affect the humus balance in cultivated lands.

The balance of humus in the cultivation of crops on the developed lands of the Non-Chernozem region, depending on the fertilizer system and methods of their sealing

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Research reveals the impact of fertilizer systems on humus balance in crop rotations, suggesting improved practices for better soil health.

The research aims to evaluate how fertilizer systems and crop rotation affect the humus balance in cultivated lands.
Conducted on reclaimed sod-podzolic soils from 2015 to 2024.
Examined a 5-phase grain crop rotation with alternating crops.
Compared different fertilizer systems and sealing methods for humus balance.
Measured humus changes over a 10-year period.
Humus balance is more influenced by fertilizer systems than plant residues.
Mineral fertilizer application led to a humus deficit of -8.1 t/ha with minimal processing.
Systematic use of organic waste can increase humus by +14.7 to +62.4 t/ha.
Corn, spring rape, and barley were the most effective in improving humus balance.

Shevchenko et al. (2026) studied this question.

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Research reveals the impact of fertilizer systems on humus balance in crop rotations, suggesting improved practices for better soil health.