| Autor: |
Kaiping Zhang, Zhixin Li, Yufei Li, Pingxing Wan, Ning Chai, Ming Li, Huihui Wei, Yakov Kuzyakov, Ekaterina Filimonenko, Sulaiman Almwarai Alharbi, Feng-Min Li, Wenjuan Zhang, Feng Zhang |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
|
| Zdroj: |
Geoderma, Vol 440, Iss , Pp 116714- (2023) |
| Druh dokumentu: |
article |
| ISSN: |
1872-6259 |
| DOI: |
10.1016/j.geoderma.2023.116714 |
| Popis: |
Plastic film mulching and nitrogen (N) fertilization are two important field management practices used to increase crop yields in rain-fed agriculture in arid and semi-arid areas. These two practices, however, can have opposing effects on soil organic carbon (SOC) stock and turnover. To clarify and analyze the combined effects of these practices, we conducted a 7-year continuous maize cultivation experiment with four treatments: (1) no plastic film mulching without N fertilization (Control), (2) plastic film mulching without N fertilization (PFM), (3) N fertilization without plastic film mulching (N), and (4) plastic film mulching with N fertilization (PFM + N). The 13C natural abundance of in the light and heavy fractions of organic carbon (LFOC and HFOC) was used to differentiate “old” (>7 years) and “new” ( |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
|
Full Text from ScienceDirect