Relationship Between Soil Physical Characteristics and Infiltration Rate of The Practice Area of SMK PPN Banjarbaru

Ulfa Fitriati, Kholiq Malikur Rahman
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Abstract

The practice area for the Banjarbaru State Agricultural Development Vocational School (SMK PP N Banjarbaru) is located in Kemuning Village, South Banjarbaru District, Banjarbaru City, South Kalimantan Province. Regarding the land use in the research location, the majority is used for plantation land, which is one of the lands suitable for water catchment areas in Banjarbaru City. The Practice Land of PP N Banjarbaru Vocational School is one of the models of good catchment area land from good land use and irrigation systems. Conducted this analyze the infiltration rate and its influence on the physical properties of the soil. From the results of the infiltration test using a double ring infiltrometer which was then analyzed using the Horton method, the most considerable infiltration rate was in open land, namely 33.83 cm/hour, rubber plantations of 22.57 cm/hour, on palawija land it is 15.57 cm/hour and on mahogany land, it is 14.47 cm/hour. From the results of the analysis using the linear regression approach, the physical properties of the soil that can affect the infiltration rate include 16.7% bulk density, 75% permeability, and 90% moisture content. Meanwhile, particle density and porosity only affect 0.7% and 3.5%.
SMK - PPN - Banjarbaru实践区土壤物理特性与入渗速率的关系
班贾巴鲁州立农业发展职业学校(SMK PP N Banjarbaru)的实践区位于南加里曼丹省班贾巴鲁市南班贾巴鲁区Kemuning村。研究地点的土地利用大部分为人工地,是Banjarbaru市适合集水区的土地之一。PP N Banjarbaru职业学校的实践用地是良好的土地利用和灌溉系统的良好集水区土地的典范之一。对入渗速率及其对土壤物理性质的影响进行了分析。利用双环式入渗仪进行入渗试验,并用Horton法对其进行分析,结果表明,林地的入渗速率最大,为33.83 cm/h,橡胶林为22.57 cm/h,棕榈地为15.57 cm/h,红木地为14.47 cm/h。从线性回归分析结果来看,影响入渗速率的土壤物理性质为容重16.7%、渗透率75%、含水率90%。而颗粒密度和孔隙率仅影响0.7%和3.5%。
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