Comparison of soil organic carbon sequestration of forest parks (city) with only natural types showed that the park has less organic carbon sequestration in soil at Evergreen and not be disturbed (103.73 tons per hectare) dry evergreen forest floor foo (worth between 68.03-90.84 tons per hectare) area Ecotone (68.36 tons per hectare). Deciduous forest (whose value is between 57.89-66.71 tons per hectare), and mixed deciduous forest, secondary 49.26 tons per hectare), at a depth of.... cm at the area research station in Thailand in Nakhon Ratchasima province (วรนันท์ pine Kanha. And the faculty, 2556) less than eucalyptus plantation, age 1-4 years (which have a value in the range 31.95-43.62 tons per hectare) and deciduous forests (36.19 tons per hectare) at a depth 0-60 cm at garden area forest, Mancha Khiri, Khon Kaen. (wasan jandaeng and faculty,2553) due to the fall of litter is an important factor of turnover of plant nutrients in ecosystems (chularat, light, stable and faculty. Fickle), but due to internal management needs to keep the park sweep litter fall off the floor. To beauty, tidy and use the area. The circulation of carbon into the soil.
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