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- W1873161640 abstract "植被类型对土壤含水量有重要影响，植被与土壤水分存在一定的反馈机制。为了探讨不同植被处理方法对亚热带红壤含水量的影响，本文通过PR2型剖面水分仪实测四类试验样地(全园裸露、狗牙根带状覆盖、狗牙根全园覆盖，柑橘净耕)不同天气下100~400 mm处的土壤体积含水量，结果表明：1) 不管是干旱还是降雨条件狗牙根带状覆盖下100 mm处土壤含水量最高；2) 在200 mm和300 mm深度全园裸露土壤含水量最高，但在强而急的降雨条件下300 mm处狗牙根带状覆盖土壤含水量最高；3) 在400 mm处各小区土壤含水量均高于100 mm，200 mm，300 mm处，其中仍以全园裸露含水量最高，说明土壤水分在浅层随土层深度而递增；4) 方差分析表明，狗牙根带状覆盖较其它小区具有明显的差异性，说明狗牙根带状覆盖能显著提高土壤含水量。该研究结果可为亚热带红壤区的水土保持治理提供科学依据。 Vegetation types have important effects on soil moisture. Vegetation and soil moisture has certain feedback mechanism. To investigate the influence of different vegetation processing method of subtropical red soil water content, through the PR2 moisture meter type profile, we measured 100 - 400 mm soil volumetric water content of four types of test samples (Bare area, Cynodon dactylon strip covering, Cynodon dactylon over covering, Citrus net tillage) under different weather. The results show that: 1) Under the condition of drought and rainfall, the soil moisture content at the depth of 100 mm was the highest in the region of Cynodon dactylon strip covering ; 2) At the depth of 200 mm and 300 mm, the soil moisture content was the highest in the whole orchard, but the soil moisture content was the highest under the condition of strong and urgent rainfall in 300 mm; 3) The soil moisture content at the depth of 400 mm in each plot was higher than which of the 100 mm, 200 mm and 300 mm. It was still the highest in the whole orchard region at the same depth, which showed that the soil moisture in the shallow layer increased with the depth of soil layer; 4) Variance analysis showed that the Cynodon dactylon strip covering had a significant difference compared with other areas, which explained that Cynodon dactylon strip covering could significantly increase the soil water content. The research results could be used to provide a scientific basis for soil and water conservation in subtropical red soil." @default.
- W1873161640 created "2016-06-24" @default.
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- W1873161640 date "2015-01-01" @default.
- W1873161640 modified "2023-09-24" @default.
- W1873161640 title "The Influence of Different Vegetation Patterns to Subtropical Red Soil Water Content" @default.
- W1873161640 cites W2068308843 @default.
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- W1873161640 doi "https://doi.org/10.12677/ije.2015.43012" @default.
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