Garuda - Garba Rujukan Digital

Mochtar Lutfi Rayes

Jurusan Tanah Fakultas Pertanian Universitas Brawijaya

Author-ID : 5688346

Agriculture, Biological Sciences & Forestry Environmental Science

Published : 3 Documents Claim Missing Document

Claim Missing Document

Articles

MORFOLOGI DAN KLASIFIKASI TANAH PADA BERBAGAI MACAM SUB-LANDFORM KARST DI FORMASI WONOSARI KECAMATAN GEDANGAN, KABUPATEN MALANG Andre E S Sitinjak; Mochtar Lutfi Rayes; Christanti Agustina
Jurnal Tanah dan Sumberdaya Lahan Vol. 6 No. 1 (2019)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Limestone materials in Wonosari formation produces karst landform through the karstification processes. The different type of karst landform can affect soil morphology and soil classification. This research was conducted in Gedangan District, Malang Regency, East Java Province, Indonesia. Soil morphology identified at 54 minipits to know the range of soil characteristics, continued with detailed survey on 6 typical pedons to detailed soil classification. Soil samples were taken at each horizon for analyses of soil physical and chemical properties. Soil morphology at study area has very dark brown (7.5YR2.5/2) to yellowish brown (10YR5/8) soil colours, silty clay loam to silty clay textures, subangular blocky, fine, weak to moderate structures, very friable to very firm, sticky to very sticky, slightly plastic to plastic consistencies. There are no rock fragments at hilly and valley karst and shallow soil depth in hilly than in valley karst. Soil classification differs at each sub landform, i.e. top hilly karst is classified as Lithic hapludolls, fine, mixed, isohyperthermic, hilly karst classified as Typic calciudolls, fine, calcareous, superactive, isohyperthermic, Typic hapludolls, fine, mixed, superactive, isohyperthermic, plateau karst classified as Inceptic haprendolls, skeletal-clay, mixed, superactive, isohyperthermic, valley karst classified as Eutric humudepts, fine, mixed, superactive, isohyperthermic, and Typic humudepts, fine, mixed, superactive, isohypertermic.

EVALUASI KESESUAIAN LAHAN TANAMAN JAGUNG (Zea mays L.) PADA LAHAN KERING DI KECAMATAN WAGIR KABUPATEN MALANG Mei Ridayanti; Mochtar Lutfi Rayes; Christanti Agustina
Jurnal Tanah dan Sumberdaya Lahan Vol. 8 No. 1 (2021)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Malang Regency has a large area of dry land and currently being developed as a center for food crops, especially corn. Corn production in Malang Regency has not provided high productivity, one of which is in Wagir Regency. This study aims to determine the actual land suitability class, determine the characteristics of the land that affects the productivity of corn, determine the actual productivity class of corn, and develop new land suitability criteria using the boundary line method. This research was conducted in May - September 2019 in Wagir District, Malang, using a physiographic survey method based on the Land Mapping Unit. Soil samples were taken at a depth of 0-120 cm (minipit and drilling) at each observation points (42 points) and analyzed in the laboratory (texture, pH, CEC, C-Organic, BS, N-total, P2O5, Potassium, Ca, Mg, and Na). The determination of land suitability class is carried out using the SPKL (Sistem penilaian kesesuaian lahan) application and the modification of the criteria is carried out using the boundary line method. The results of the land suitability evaluation according to the criteria of Ritung et al. (2011) in Wagir District, Malang Regency, included in class S3 and N, with limiting factors in rainfall, Base Saturation, pH, C-Organic, N-total, P2O5, Potassium, slope and erosion hazard. Stepwise analysis result showed that slope and air temperature determined corn productivity in research area. Boundary lines analysis gave results that modified suitability classified as S3 and N which is the same category as actual suitability classes.

EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN CABAI RAWIT DI KECAMATAN WAGIR, KABUPATEN MALANG Januardi Fransiskus Simanjuntak; Christanti Agustina; Mochtar Lutfi Rayes
Jurnal Tanah dan Sumberdaya Lahan Vol. 8 No. 1 (2021)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Land characteristics are factors that affect crop productivity. Different conditions of land characteristics will cause differences in crop productivity. Evaluation of land suitability can be used as a basis in assessing land quality to determine the factors of land characteristics that cause differences in crop productivity. The purpose of this study was to determine actual land suitability for cayenne pepper, determine which land characteristic affect crop productivity, and modify land suitability based on actual productivity suitability classes. This study was conducted in Wagir District, Malang Regency with a survey method on 8 Land Map Units (LMU) with 42 observation points. Quantitative parameters observed in this study include soil texture, pH, CEC, C-Organic, base saturation, N-total, P-available, exchangeable K, Ca, Mg, Na, and productivity of cayenne pepper in the field. Data analysis was performed by correlation test and multiple regression with the stepwise method. The results showed the actual land suitability class of cayenne pepper in the study area was S3 and N. Modifications to the characteristics of the land that most influence the productivity of cayenne pepper in the field, namely the pH of the soil produce new criteria with classes S1: 6.0-7.6; S2: 5,7â€“6,0; S3: 4,6-5,7; and N: <4,6. The land suitability assessment using the modified criteria resulted in the S3 conformity class, which was similar to the percentage productivity class and the N conformity class that was similar to the percentage productivity class.

Title

Found 3 Documents
Search

Abstract

Abstract

Abstract

Title Search

Found 3 Documents Search

Abstract

Abstract

Abstract

Title

Found 3 Documents
Search