Distribution Characteristics of Soil Aggregates and Organic Carbon in Hill Tea Plantation
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摘要: 通过野外调查与室内分析相结合的方法,对丘陵山地茶园土壤团聚体及其碳含量分布特征进行研究。结果表明:茶园土壤0~20 cm以>5 mm团聚体含量最高,占20.59%,20~40 cm土层土壤团聚体以5 mm粒径土壤团聚体有机碳含量最高,团聚体基本呈现粒径增大,有机碳含量增加的规律。茶园在0~20 cm土层>5 mm粒径土壤团聚体有机碳储量及其分配比例最大,0.25~0.5 mm团聚体含量最少,而20~40 cm土层以0.25~0.5 mm团聚体土壤有机碳储量及其分配比例最大,>5 mm团聚体的比例最小。Abstract: Distribution of soil aggregates and organic carbon were analyzed in hill tea plantation by the methods of field investigation and laboratory analysis. The result indicated that the soil granule structure of tea plantation was dominated by >5 mm aggregate for 0-20cm soil layers, accounting for 20.59%, the soil granule structure of tea plantation was dominated by 5 mm were the highest for both 0-20 cm and 20-40 cm soil layers, and the content of organic carbon increased with increment of aggregate size. The reserve and distribution of the ratio of organic carbon in >5 mm aggregate in 0-20 cm were the highest and in 0.25-0.5 mm were the lowest. On the contrary, the reserve and distribution of the ratio of organic carbon in 0.25-0.5 mm aggregate in 20-40 cm were the highest and in >5 mm were the lowest.
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Key words:
- Hill tea plantation /
- soil aggregate /
- organic carbon
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[1] 王清奎,汪思龙.土壤团聚体形成与稳定机制及影响因素[J].土壤通报,2005,36(3):416-421. [2] 何淑勤,郑子成,杨玉梅.茶园土壤团聚体分布特征及其对有机碳含量影响的研究[J].水土保持学报,2009,23(5):187-190,199. [3] 尤志明,杨如兴,吴志丹,等.福建发展低碳茶业的基本思路与技术对策[J].福建农林大学学报:哲学社会科学版,2010,13(6):19-23. [4] 毛艳玲,杨玉盛,刑世和,等.土地利用方式对土壤水稳性团聚体有机碳的影响[J].水土保持学报,2008,22(4):132-137. [5] 张家洋,朱凤荣,张金池,等.江宁小流域主要植被类型土壤抗蚀性研究[J].中国农学通报,2010,26(5):72-76. -
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