carbon dynamics
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2022 ◽  
Vol 169 ◽  
pp. 104169
Author(s):  
Éder Rodrigues Batista ◽  
Aline de Jesus Franco ◽  
Ana Paula Valadares da Silva ◽  
Jessyca Adriana Gomes Florêncio da Silva ◽  
Davi Santos Tavares ◽  
...  

CATENA ◽  
2022 ◽  
Vol 208 ◽  
pp. 105753
Author(s):  
Honghong Lin ◽  
Xingwu Duan ◽  
Yawen Li ◽  
Lanlan Zhang ◽  
Li Rong ◽  
...  

Land ◽  
2021 ◽  
Vol 10 (12) ◽  
pp. 1392
Author(s):  
Hafiz Muhammad Rashad Javeed ◽  
Mazhar Ali ◽  
Imtiaz Ahmed ◽  
Xiukang Wang ◽  
Ibrahim Al-Ashkar ◽  
...  

The present investigation was conducted to understand the role of enriched biochar on soil nitrogen and carbon dynamics, leaching losses of nutrients, and growth attributes of wheat. Buffalo slurry (BS) was used to enrich the biochar for 24 h and 2% biochar (SB) or enriched biochar (SEB) was used. Enrichment of biochar with BS as SEB improved the C and N contents of biochar by 33–310% and 41–286% respectively. The application of biochar (SB) and enriched biochar (SEB) reduced the net nitrification by 81% and 94%, ammonification by 48% and 74%, and carbon dioxide by 50% and 92% respectively as compared to control. The leaching losses minerals i.e., C (by 30%), N (by 125%), P (by 50%), K (by 82%), Na (by 9%), Ca (by 24%), and Mg (by 12%) was decreased in SEB treatments compared to control. The soil enzyme activities, microbial biomass (MBC and MBN), wheat agronomy, soil bulk density and soil pore density, mineral uptake from the soil, and mineral contents in the plant body were improved in the SEB as compared to SB and control treatments. Our results revealed that the biochar enrichment process could improve the C and N storage in the soil reservoir and lower the environmental risks to soil and water.


2021 ◽  
Vol 18 (23) ◽  
pp. 6245-6269
Author(s):  
Junrong Zha ◽  
Qianlai Zhuang

Abstract. Mosses are ubiquitous in northern terrestrial ecosystems, and play an important role in regional carbon, water and energy cycling. Current global land surface models that do not consider mosses may bias the quantification of regional carbon dynamics. Here we incorporate mosses as a new plant functional type into the process-based Terrestrial Ecosystem Model (TEM 5.0), to develop a new model (TEM_Moss). The new model explicitly quantifies the interactions between vascular plants and mosses and their competition for energy, water, and nutrients. Compared to the estimates using TEM 5.0, the new model estimates that the regional terrestrial soils currently store 132.7 Pg more C and will store 157.5 and 179.1 Pg more C under the RCP8.5 and RCP2.6 scenarios, respectively, by the end of the 21st century. Ensemble regional simulations forced with different parameters for the 21st century with TEM_Moss predict that the region will accumulate 161.1±142.1 Pg C under the RCP2.6 scenario and 186.7±166.1 Pg C under the RCP8.5 scenario over the century. Our study highlights the necessity of coupling moss into Earth system models to adequately quantify terrestrial carbon–climate feedbacks in the Arctic.


2021 ◽  
Vol 311 ◽  
pp. 108682
Author(s):  
Rosvel Bracho ◽  
María Lucia Silveira ◽  
Raoul Boughton ◽  
Joao M.D. Sanchez ◽  
Marta M. Kohmann ◽  
...  

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