| Yazarlar |
İsmail Çelik
Çukurova Üniversitesi, Türkiye |
|
Hikmet Günal
Tokat Gaziosmanpaşa Üniversitesi, Türkiye |
|
Mert Acar
Çukurova Üniversitesi, Türkiye |
Dr. Öğr. Üyesi Nurullah ACİR
Kırşehir Ahi Evran Üniversitesi, Türkiye |
|
Zeliha Bereket Barut
Çukurova Üniversitesi, Türkiye |
|
Mesut Budak
Siirt Üniversitesi, Türkiye |
| Özet |
| Current agricultural practices and their impacts on the sustainability of crop production can be evaluated by simple and reliable soil structure assessment tools. The study was conducted to determine the effects of long-term (2006-2017) tillage systems on structural quality of a clayey soil using the visual evaluation of soil structure (VESS) and classical field and laboratory measurements. A field experiment with seven tillage systems, representing both traditional and conservation tillage methods, was conducted on a clayey soil in the Cukurova region, Turkey. Soil samples from 0-10, 10-20 and 20-25 cm depths were analysed for mean weight diameter (MWD), porosity and organic carbon. Penetration resistance (PR) was determined in each treatment plot. The VESS scores (<2) of upper 0-5 cm indicated a good structural quality for all tillage systems. The VESS scores were positively related to PR and MWD and negatively to macroporosity (MaP) and total porosity. In reduced and no-till systems, poorer soil structures were observed in subsurface layers where firm platy and angular blocky structures were defined. Mean VESS score (3.29) in 20-25 cm depth where PR was 3.01 MPa under no-till indicated a deterioration of soil structural quality; thus, immediate physical interventions would be needed. Lower VESS scores and PR values under strategic tillage which was created by ploughing half of no-till plots in November 2015 indicated successful correction of compaction caused by long-term no-till. The results suggest that the VESS approach is sensitive and useful in distinguishing compacted layers within the topsoil. |
| Anahtar Kelimeler |
| compaction, long-term tillage, structural quality, VESS, visual evaluation |
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale |
| Dergi Adı | Soil Use and Management |
| Dergi ISSN | 0266-0032 |
| Dergi Tarandığı Indeksler | SCI |
| Makale Dili | İngilizce |
| Basım Tarihi | 04-2020 |
| Cilt No | 36 |
| Sayı | 2 |
| Sayfalar | 223 / 239 |
| Makale Linki | https://onlinelibrary.wiley.com/doi/abs/10.1111/sum.12554 |
