Modeling On Soil Organic Carbon As According to Soil pH and Soil Management Practices.
Poster Number 1310
Wednesday, November 6, 2013
Tampa Convention Center, East Hall, Third Floor
Yoo-Hak Kim1, Seong-soo Kang1, Myung-Sook Kim1, Myung-Seok Kong1, Soon-Kun Choi1, Deog-Bae Lee1 and Hee-Myong Ro2, (1)Soil & Fertilizer Division, National Academy of Agricultural Sciences, Suwon, South Korea (2)Agricultural Biotechnology, Seoul National University, Seoul, South Korea
Global warming is caused by increase of carbon dioxide which evolved from fossil fuel and soil carbon. The potential of soil organic carbon enables us to adopt best management practices for cultivating crops with preventing from extraordinary emitting CO2. The relationships between soil organic carbon and soil chemical properties derived from 3,400 thousand soil testing databases of Korea revealed that predicting soil organic carbon directly by function of soil chemical properties was not useful but for predicting derivatives of soil organic carbon. Soil organic carbon and chemical properties of soil series were normally distributed in case of more than 100 samples and showed a significant regression at some management practices and pH ranges. A predicting model of soil organic carbon could be set up by adding the changes of soil organic carbon calculated with chemical properties and their derivatives to the average of soil organic carbon of soil series.
