Effects of Conservation Tillage Measures on Soil Aggregates Stability and Soil Organic Carbon in Two Sequence Rotation System with Spring Wheat and Field Pea

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Effects of Conservation Tillage Measures on Soil Aggregates Stability and Soil Organic Carbon in Two Sequence Rotation System with Spring Wheat and Field Pea

更新时间：2024-11-07

- Effects of Conservation Tillage Measures on Soil Aggregates Stability and Soil Organic Carbon in Two Sequence Rotation System with Spring Wheat and Field Pea
- Issue 2, Pages: 141-145(2008)
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- Published：2008
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Effects of Conservation Tillage Measures on Soil Aggregates Stability and Soil Organic Carbon in Two Sequence Rotation System with Spring Wheat and Field Pea[J]. 2008, (2): 141-145.
DOI：

Effects of Conservation Tillage Measures on Soil Aggregates Stability and Soil Organic Carbon in Two Sequence Rotation System with Spring Wheat and Field Pea[J]. 2008, (2): 141-145. DOI：

摘要

在位于黄土高原西部半干旱区定西市李家堡镇设置不同保护性耕作试验

对不同麦-豆轮作次序下0~5cm

5~10 cm

10~30 cm土壤机械稳定性团聚体和水稳性团聚体组成、团聚体稳定系数及土壤总有机碳含量进行了测定。结果表明:经过5年的轮作后

干筛法获得的机械稳定性团聚体在两种轮作次序下均以大团聚体为主

但处理间各层次的表现无明显规律;相对于传统耕作

免耕秸秆覆盖、传统耕作秸秆还田以及免耕不覆盖处理在两种轮作次序下均能不同程度地提高各层次土壤水稳性团聚体含量和团聚体稳定率;各层次土壤免耕秸秆覆盖、传统耕作秸秆还田土壤总有机碳含量均较传统耕作处理有提高

而免耕不覆盖处理土壤总有机碳含量在麦→豆→麦序列下比传统耕作处理高

在豆→麦→豆序列下比传统耕作处理低。

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Effects of Conservation Tillage Measures on Soil Aggregates Stability and Soil Organic Carbon in Two Sequence Rotation System with Spring Wheat and Field Pea

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