TOFG-all

(Marcin) #1
Making & Using Compost

Unit 1.7 | Part 1 – 337

From Start with the Soil, by Grace Gershuny. Used by permission of Chelsea Green Publishing Co.

Appendix 3: C:N Ratio of Common Compost Materials


Appendix 3: C:N Ratio of Common Compost


Materials


Fresh chicken manure (laying) 6:1


Tomato processing waste 11:1


Vegetable waste 12:1


Alfalfa hay 13:1


Fresh chicken manure (broiler) 14:1


Sheep manure 16:1


Fresh turkey manure 16:1


Grass clippings 17:1


Seaweed 19:1


Fresh cattle manure 19:1


Rotted manure 20:1


Apple pomace 21:1


Fresh horse manure 22:1


Grape pomace 28:1


Legume shells 30:1


Cereal hay 32:1


Dry leaves 40–80:1


Corn stalks 50:1


Oat straw 74:1


Grain chaff and hulls (e.g., rice hulls) 80–120:1


Straw 80:1


Timothy hay 80:1


Paper 170:1


Newsprint, cardboard 400:1


Sawdust 400:1


Wood chips, shavings 500+:1


MATERIAL C:N RATIO


Optimum
C:N range
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