Long-Term Effects of Organic Amendments on Carbon Stability in Clay–Organic Complex and Its Role in Soil Aggregation

Clay–organic complexes (COC) impart chemical and physical protection to soil carbon (C). In the present study, the aim was to assess the long-term effects of different organic amendments on C stability in COC, distribution of the aggregates, C concentration in the aggregates and labile organic C fra...

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Veröffentlicht in:	Agronomy (Basel) 2023-01, Vol.13 (1), p.39
Hauptverfasser:	Kumar, Dhiraj, Purakayastha, Tapan Jyoti, Das, Ruma, Yadav, Rajendra Kumar, Shivay, Yashvir Singh, Jha, Prakash Kumar, Singh, Surendra, Aditi, Kumari, Prasad, P. V. Vara
Format:	Artikel
Sprache:	eng
Schlagworte:	aggregate-associated carbon Aggregates Agricultural practices Algae Animal manures Aridity Biofertilizers Carbon carbon sequestration carbon stability Clay Clay minerals Clay soils clay–organic complex Crop rotation Crop yield Cyanobacteria Decomposing organic matter Dissolved organic carbon Fertilizers Humus inceptisols Long-term effects Manures manures and biofertilizers Mineralization Organic soils Particulate organic carbon Potassium Potassium permanganate Productivity Retention time Rice Soil aggregates Soil depth Soil fertility Soil quality Soil stability Soil surfaces Soil treatment Stability analysis
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Zusammenfassung:	Clay–organic complexes (COC) impart chemical and physical protection to soil carbon (C). In the present study, the aim was to assess the long-term effects of different organic amendments on C stability in COC, distribution of the aggregates, C concentration in the aggregates and labile organic C fractions in the inceptisols located at the research farm situated in the semi-arid sub-tropical climate of India. The results showed that the COC, the percentage of large macroaggregates (LMA) (>2 mm) and the C associated with the aggregates decreased through the soil depths, whereas the other size fractions of soil aggregates (
ISSN:	2073-4395 2073-4395
DOI:	10.3390/agronomy13010039