Soil Properties of Bailong Jiang Water Conservation Forest in Different Age

[Objective]Soil properties of Bailong Jiang water conservation were studied in order to provide reference for ecological restoration and environment protection.[Method]Taking Bailong Jiang Forest to four different types of artificial Chinese pine forest age 0 ~ 40 cm soil layer for the study,the soil properties of artificial pine forest restoration succession process variation were explored aimed at provide the basis for forest ecosystem recovery and reconstruction.[Result]①There are significant variations between different forest age gradient patches of soil moisture,the Bailong total artificial pine forest soil porosity,capillary porosity,natural moisture content,maximum water holding capacity,capillary water,field capacity were increased with increasing age rather large. pH value has no significant variation. Soil organic matter,total N,hydrolytic N,available P,available K were increased with increasing age becomes larger: Available P was not significant. ②With increasing age,the old large soil porosity,water holding capacity,permeability was significantly better than the old small. With the decreasing of forest slope position,significantly higher than the porosity of the lower slope slope,permeability can continue to strengthen,pH has no significant difference in the value of the slope in the slope; ③Organic matter has significant positine correlation with total N,alkaline hydrolysis of N,the maximum water holding capacity,capillary water and field capacity. Total N and alkaline hydrolysis of N showed a significant positive correlation. Soil organic matter has an important role in improving soil properties and promote nutrient cycling aspects which has become an important symbol in water conservation vegetation.[Conclusion]The study provide the basis for forest ecosystem recovery and resconstruction.

Ҳали таржима қилинмаган