Impacts of Crop Diversity Under No-Tillage on Soil Quality Parameters.

Poster Presentation at the MANAGING GLOBAL RESOURCES FOR A SECURE FUTURE

2017 Annual Meeting | October 22-25 | Tampa, FL

Section:   Impacts of Crop Dýversýty Under No-Till System  on Soil Quality Parameters   Atilla Polat^a, Shannon Osborne^b, and Sandeep Kumar^{a   a}South Dakota State University, Department of Agronomy, Horticulture and Plant Science, Brookings, SD,57007, USA. ^bUSDA-ARS, North Central Agricultural Research Laboratory, Brookings, SD   Presenter: Atilla Polat ( atilla.polat@jacks.sdstate.edu )   Poster Presentation Abstract

  ABSTRACT

Crop diversity and no-till systems are beneficial in improving soil quality parameters. The objective of  this study was to determine the impact of diverse crop rotation and no-till management on soil quality parameters. A long-term experiment was established near Brookings, South Dakota, USA at USDA-ARS lab in 2000 on  a Barnes (Fine-loamy, mixed, superactive, frigid Calcic Hapludoll) soil. Treatments selected for this study were  included two 4-yr rotation (corn-oat-winter wheat-soybean, and corn-pea-winter wheat-soybean) compared to a 2-yr rotation (corn-soybean) with four replications. Soil samples were collected in the following spring after 12 and 16 years of cropping (2013 and 2017) from  two sampling depths (0-5, 5-15 cm). Preliminary results showed that 4-yr crop rotations under no-till systems improved soil organic carbon (SOC), reduced soil bulk density (BD). Additional analysis of the parameters to monitor the soil quality is under progress. This study will be beneficial in addressing the long-term impacts of diverse crop rotations on soil quality parameters.