Scientists (yes, there are compost scientists) have found that it's best to maintain a carbon/nitrogen ratio between 25-30 parts carbon to 1 part nitrogen.
Changing carbon-to-nitrogen ratios of organic-matter export under ocean acidification
Carbon-nitrogen ratio management - Responsible Seafood Advocate
Global Change Biology, Environmental Change Journal
Carbon-to-Nitrogen Ratio - an overview
Moisture content and carbon to nitrogen ratio (C/N) of compost
Thresholds in aridity and soil carbon-to-nitrogen ratio govern the accumulation of soil microbial residues
The Carbon/Nitrogen Ratio
SOLVED: What is the significance of the Carbon:Nitrogen Ratio in the characterization of organic materials? (b) Show how this ratio can be used to determine the rates of decomposition in (i) poultry
Understanding the Carbon to Nitrogen (C:N) Ratio and Its Importance in Cropping Systems - Elk Mound Seed
ROSE GROWING in Malaysia: The Carbon/Nitrogen Ratio
Carbon To Nitrogen Ratio: Crucial Factor For Soil Productivity
Effect of the organic carbon to nutrient (N and P) ratio on the biological performance of a microalgal–bacterial membrane photobioreactor - Environmental Science: Water Research & Technology (RSC Publishing)