|Table of Contents|

Characteristics of Soil Aggregates and Organic Carbon Fractions in  Protected Cultivation in Black Soil Area

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年07
Page:
88-93
Research Field:
Publishing date:

Info

Title:
Characteristics of Soil Aggregates and Organic Carbon Fractions in  Protected Cultivation in Black Soil Area
Author(s):
(College of Resources and Environment; Northeast Agricultural University; Harbin; Heilongjiang 150030)
facility agriculture; water stable aggregates; soil organic carbon; contribution rate
Keywords:
facility agriculture;  water stable aggregates;  soil organic carbon;  contribution rate
PACS:
-
DOI:
10.11937/bfyy.20172509
Abstract:
In the black soil region of Northeast China including Qing′an,Suiling,Mingshui,Hailun,Wangkui,Suihua,Harbin,where soils in protected cultivation area were taken as the research objects,based on the soil cultivation in these areas were sampled and analyzed,the system of agriculture land use under the content of soil aggregates and organic distribution characteristics carbon,organic carbon in various aggregates on soil organic carbon contribution rate.The results showed that the grain size from different point of view,organic carbon was mainly distributed in the >1.0 mm water stable aggregates range.However,the organic carbon content of <0.106 mm was relatively low.The contribution rate of particle size of 0.25-0.50 mm to organic carbon was the largest,reaching 26%,with the particle size of 0.5-1.0 mm aggregates in organic carbon contribution rate of 23%.Specific analysis on the contents of particulate organic carbon under different planting conditions.The contribution rate of >5.0 mm particle size to organic carbon was the largest,when the cultivation time was 0-5 years and >15 years.

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Last Update: 2018-04-20