Науки об окружающей среде
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soil map
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seedling
humic substance
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indicator
Pleistocene
spectroscopy
loess
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nuclear magnetic resonance
scandium
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soil structure
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Биология и сельское хозяйство
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Russia
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nuclear magnetic resonance spectroscopy
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soil horizons
urban soils
Egypt
plant growth
Triticum aestivum
fallow
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bio-organic fertilizer
carbonates
soil properties
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peat soils
fulvic acids
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