Hydro-Physical Properties of Black Soil in Different Type of Eco-system

WANG Feng; HAN Xiao-zeng; LI Hai-bo; MIAO Shu-jie

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Hydro-Physical Properties of Black Soil in Different Type of Eco-system

更新时间：2024-11-07

- Hydro-Physical Properties of Black Soil in Different Type of Eco-system
- Vol. 20, Issue 6, Pages: 67-70(2006)
- 作者机构：
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  CLC： S152.7
- Published：2006
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WANG Feng, HAN Xiao-zeng, LI Hai-bo, et al. Hydro-Physical Properties of Black Soil in Different Type of Eco-system[J]. 2006, 20(6): 67-70.
DOI：

WANG Feng, HAN Xiao-zeng, LI Hai-bo, et al. Hydro-Physical Properties of Black Soil in Different Type of Eco-system[J]. 2006, 20(6): 67-70. DOI：

摘要

研究了黑土农田生态系统（无肥、化肥、化肥＋有机肥3种方式）、草地生态系统、裸地生态系统的土壤水分物理性质。结果表明：草地生态系统向无肥农田系统转变过程中，容重、有机质、孔隙度，特征持水量、水稳性团聚体都有恶化的趋势，化肥的投入使其恶化趋势减缓，化肥＋有机肥效果更佳，表明施肥对水分物理性质的作用主要是通过促进植物生长尤其是根系的生物量，继而增加有机质，改善土壤结构，调节孔隙和持水状况。裸地系统下的各性状比农田变得更劣，说明生物措施在改善土壤物理性质方面的重要作用。

Abstract

The hydro-physical properties of black soil under different type of eco-systems were studied. The results showed that bulk density

SOM

porosity

soil moisture capacity and wet-aggregates run down

when grass eco-system turning crop eco-system. But

fertilizing can restrain the trend

the effect become more significant extra-adding organic manure. Fertilizing promotes planting

especially root growth to improve the hydro-physical properties

moreover

increasing SOM

improving soil structure

adjusting soil moisture capacity and porosity. Bare field eco-system became worse than crop eco-system

confirming plants make important effect to soil hydrophysical properties.

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