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cover crop

(Encyclopedia) cover crop, green temporary crop grown to prevent or reduce erosion and to improve the soil by building up its organic content. Green-manure crops, which are specifically grown for…

cadaverine

(Encyclopedia) cadaverine: see decay of organic matter.

putrefaction

(Encyclopedia) putrefaction: see decay of organic matter.

putrescine

(Encyclopedia) putrescine: see decay of organic matter.

carbon cycle

(Encyclopedia) CE5 Carbon cycle carbon cycle, in biology, the exchange of carbon between living organisms and the nonliving environment. Inorganic carbon dioxide in the atmosphere is converted by…

acetone

(Encyclopedia) acetoneacetoneăsˈĭtōn [key], dimethyl ketonedimethyl ketonedīmĕthˈəl kēˈtōn [key], or 2-propanone2-propanoneprōˈpənōn [key], CH3COCH3, colorless, flammable liquid. Acetone melts at −94…