Relationship among soil enzyme activities, vegetation state,and soil chemical properties of coal cinder yard

Abstract

Abstract: From field investigation and laboratory analysis, the relationships among soil enzyme activities,vegetation state and soil chemical properties of coal cinder yard in thermal power station were studied. The results showed that vegetation on coal cinder yard was distributed in scattered patch mainly with single species of plant, and herbs were the dominant species.At the same time, the activity of three soil enzymes had a stronger relativity to environment conditions, such as vegetation state and soil chemical properties.The sensitivity of three soil enzymes to environmental stress was in order of urease >sucrase>catalase. The relativity of three soil enzymes to environmental factor was in order of sucrase> urease > catalase. Because of urease being the most susceptible enzyme to environmental conditions, and it was marked or utmost marked interrelated with vegetation state and soil chemical properties, urease activity could be used as an indicator for the reclamation of wasteland.

Key words: Coal cinder yard, Soil enzyme, Vegetation state, Soil chemical properties, proso millet/mung bean intercropping, field microclimate, dryland of Loess Plateau, yield

CLC Number:

S154.2

WANG Youbao, ZHANG Li, LIU Dengyi. Relationship among soil enzyme activities, vegetation state,and soil chemical properties of coal cinder yard[J]. Chinese Journal of Applied Ecology, 2003, (1): 110-112.

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