Soil Carbon: Types, Management Practices and Environmental Benefits

ISBN: 9781631174384 出版年：2014 页码：138 Aquila Margit Nova Science

Carbon, a major constituent of structural and energy-releasing organic molecules, is essential to life. A substantial amount of C found in soils is available as soluble organic molecules (SOM) or particulate organic matter (POM) derived from plant primary production. Available atmospheric C as CO2, used by plants during photosynthesis, is part of a larger biogeochemical cycle, including the cyclic release of CO¬2 by respiration in living organisms and its fixation through photosynthesis. Carbon also is fixed through biological calcification and is eventually bound in carbonate-containing rocks, especially in aquatic and marine environments. This book focuses mainly on soil carbon and its environmental benefits. (Imprint: Novinka)