Article Figures & Data
Figures
- Figure 1
Location of study sites in North Carolina.
- Figure 2
Statistical distribution of plant biomass (a) carbon (C) content, (b) nitrogen (N) content, and (c) C:N ratio as affected by winter cover crop treatment across 35 field trials in North Carolina. Boxes represent middle 50% of observations, line in middle of box is median, and error bars represent 10th and 90th percentile limits. Cover crop treatments are no cover crop planted, weeds only (None), single-species cover crop (SSCC), and multispecies cover crop (MSCC). See table 1 for plant species details for each individual trial.
- Figure 3
Soil-test biological activity (STBA) in association with (a) sieved density (SD), (b) net nitrogen mineralization (NMIN), (c) cation exchange capacity (CEC), and (d) residual soil ammonium (RSA). SE is standard error of estimate from regression.
Tables
- Table 1
Soil and cover crop management characteristics of on-farm demonstration trials in North Carolina (NC) from 2015 to 2019.
- Table 2
Biomass dry matter, nitrogen (N) content, and carbon (C):N ratio of cover crop treatments (no cover crop [None]; single-species cover crop [SSCC]; multispecies cover crop [MSCC]) at each location.
- Table 3
Soil physical, chemical, and biological properties of soil as affected by cover crop treatments (no cover crop [None]; single-species cover crop [SSCC]; multispecies cover crop [MSCC]) across locations (n = 31) and statistical distribution of soil properties across all locations, treatments, depths, and replications (n = 736).
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