| 引用本文: | 顾凯迪,吴立鹏,管孝艳,等.多源有机物料添加对黑土水分渗蓄性能的影响[J].灌溉排水学报,2026,45(9):105-114. |
| Gu Kaidi,Wu Lipeng,Guan Xiaoyan,et al.多源有机物料添加对黑土水分渗蓄性能的影响[J].灌溉排水学报,2026,45(9):105-114. |
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| 摘要: |
| 【目的】探究多源有机物料与单一物料对东北黑土渗蓄能力的影响差异。【方法】以内蒙古自治区东部典型黑钙土为研究对象，设置无任何添加（CK）、单施秸秆、单施牛粪、秸秆+腐植酸配施、牛粪+腐植酸配施5个处理，研究多源有机物料添加对土壤孔隙特征、土壤剖面水分变化以及水力特征参数的影响。【结果】施用有机物料使0~30 cm土层土壤体积质量显著降低了1.4%~6.5%，使土壤饱和导水率提高了23.8%~35.0%，田间持水率和土壤有效水分库容分别提高了1.8%~17.8%和14.1%~59.3%，土壤平均入渗速率提升了87.8%~154.8%。此外，与单独施用秸秆/牛粪相比，秸秆/牛粪与腐植酸配施模式土壤饱和导水率提高了6.5%，土壤平均入渗速率提升了8.8%~11.9%；土壤田间持水率和土壤有效水分库容则分别提高了5.0%~14.8%和20.7%~36.2%。结构方程模型分析表明，施用有机物料通过改善毛管孔隙度等土壤物理性质，进一步影响土壤饱和导水率、毛管持水率和田间持水率来提高土壤入渗速率和有效水分库容。【结论】施用有机物料通过改善土壤孔隙结构能有效提升土壤渗蓄性能，尤其是秸秆或牛粪基础上施用腐植酸提升效果更佳。 |
| 关键词: 有机物料；土壤孔隙特征；土壤水分入渗；土壤水分库容；土壤水分特征参数；东北黑土 |
| DOI：10.13522/j.cnki.ggps.2026057 |
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| Effects of different organic amendments on water infiltration and storage in black soil |
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Gu Kaidi, Wu Lipeng, Guan Xiaoyan, Huang Lichun, Liang Zhongyu, Qu Liuyan, Chen Haorui
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1. State Key Laboratory of Water Cycle and Water Security, China Institute of Water Resources and Hydropower Research,
Beijing 100038, China; 2. National Center for Efficient Irrigation Engineering and Technology Research-Beijing,
Beijing 100048, China; 3. Hinggan League Agricultural and Animal Husbandry Science Research Institute, Hinggan 137400, China
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| Abstract: |
| 【Objective】The capacity of soils to infiltrate and retain water is influenced by multiple abiotic and biotic factors. In this paper, we studied the effects of different organic amendments on water infiltration and storage in typical chernozem black soils in eastern Inner Mongolia.【Method】The experiment compared five amendments: straw alone, cattle manure alone, combined application of straw and humic acid, and combined application of cattle manure and humic acid, together with an unamended control. Changes in soil pore characteristics, soil water dynamics across the soil profile, and soil hydraulic properties were measured for each treatment.【Result】Compared to the control, organic amendments reduced soil bulk density in the 0-30 cm layer by 1.4%-6.5%, while increasing saturated hydraulic conductivity, field capacity, available water storage capacity, and mean infiltration rate by 23.8%-35.0%, 1.8%-17.8%, 14.1%-59.3%, and 87.8%-154.8%, respectively. Compared with amendment with straw or cattle manure only, their combined application with humic acid further increased saturated hydraulic conductivity by 6.5%, mean infiltration rate by 8.8%-11.9%, field capacity by 5.0%-14.8%, and available water storage capacity by 20.7%-36.2%. Structural equation modeling revealed that organic amendments significantly improved soil physical properties, particularly capillary porosity. By enhancing saturated hydraulic conductivity, capillary water capacity, and field capacity, organic amendments promoted water infiltration and increased soil water storage.【Conclusion】 Organic amendments improved soil hydraulic conductivity and water-retention capacity by modifying soil pore structure, with their effects further enhanced when straw or cattle manure was combined with humic acid. These combined organic amendments provide an effective approach to improve the hydraulic properties of chernozem black soil in Northeastern China. |
| Key words: organic materials; soil pore characteristics; soil water infiltration; soil water storage capacity; soil water characteristic parameters; Northeast black soil |
