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Anindita, Sastrika
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Agriculture, Biological Sciences & Forestry

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Pengaruh Perubahan Iklim Terhadap Produksi Tanaman Kentang. Studi kasus: di Lembang, Jawa barat Anindita, Sastrika; Arifin, Mahfud; Sandrawati, Apong
Soilrens Vol 22, No 1 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i1.57249

Abstract

The potential impacts of global warming on agricultural production warrant careful consideration, as they could pose threats to food security. This study aims to evaluate the effects of global warming on potatoes in the Lembang region, West Java, where is renowned for its horticultural production. We used climate data taken from Coordinated Regional Climate Downscaling Experiment for Southeast Asia (CORDEX-SEA), using MPI-ESM-LR_REMO2015 model under the Representative Concentration Pathway (RCP8.5) scenario. Addititionally, potato crop yield was simulated Ausing Aquacrop software. The results showed that the potential yield under the influence of climate change increased potato yield by 16%. The study identified that the increase of temperature in Lembang has positive impact on potato production
Karakteristik Tanah Andisol Pasca Konversi Lahan Hutan Menjadi Semak Anindita, Sastrika; Sandrawati, Apong; Arifin, Mahfud; Devnita, Rina
Soilrens Vol 22, No 2 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i2.61737

Abstract

Land use conversion can affect characteristics of soil and also soil quality. The present study evaluate theimpact of land use conversion from pine forest to bush in tropical volcanic soils in Indonesia. We comparedtwo soil profiles from the same areas (uphill slope of Mt. Tangkuban Perahu) and analysed theirmorphological, physical, and chemical soil properties. Our study showed that there was a decrease in soilorganic carbon stock about 3.7% (382 ton C ha-1) after approximately 8-15 years of land conversion. Other physical and chemical soil properties, such as soil texture, bulk density, pH, exchangeable base and acidity,cation exchange capacity, and base saturation were relatively similar. This research provide insight intohow change in vegetation cover can affect carbon and nutrient dynamics as well as become a baseline tounderstand soil recovery potential if the land is restored to forest or bush in volcanic soils.
Evaluating Soil Particle Analysis Methods for Tropical Andosols in Indonesia Anindita, Sastrika; Sandrawati, Apong; Arifin, Mahfud; Devnita, Rina
Soilrens Vol 22, No 2 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i2.61718

Abstract

Choosing the right method to quantify soil particles (sand, silt, clay) is essential to predict and managesoil characteristics in relation to e.g. nutrient or water retention. However, separating silt and clayparticles for volcanic soils is difficult. In this study, we investigated the effect of three different soilparticle analysis methods, namely the regular pipette method, Na-resin dispersion, andultrasonication with high energy level (1500 J ml-1) on the distribution of soil particle size in tropical volcanic soils. Ultrasonication with high energy level was founded to be the best method to fullyseparate silt and clay fraction compared to Na-resin and regular pipette method. In conversion, thedispersion of soil particles using regular pipette method was suboptimal. In the ultrasonicationmethod, a step that is important to achieve full dispersion is pH buffer > 8 in soil suspension. Thisultrasonication method was founded to have good correlation with Na-resin dispersion method (R =0.88). This study suggested that conventional particle size analysis may not fully separate sand, silt,and clay particles correctly in soils rich in amorphous materials and oxides, and we proposedultrasonication high energy level with pH buffer > 8 method as an alternative method.
Analisis Kesesuaian Lahan Aktual dan Potensial untuk Tanaman Jagung di Kecamatan Cikancung, Provinsi Jawa Barat Devnita, Rina; Umami JM, Agnes Iko; Sandrawati, Apong; Anindita, Sastrika; Arifin, Mahfud
Soilrens Vol 23, No 1 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i1.66091

Abstract

A systematic process of assessing the potential and limitation of land resources for specific uses is essential to provide information for land-use planning, resource management, and policy-making. This research aims to determine the actual and potential land suitability for corn (Zea mays L.) in Cikancung District, Bandung Regency, West Java, Indonesia. Land suitability evaluation was carried out through a survey method using a physiographic approach through overlaying soil maps, topography, climate, and land use to produce land map units (SPL). Data were obtained through field observations at each SPL, and the results of analysis of soil samples were taken from each SPL. Field and laboratory data were matched with corn growth requirements through the matching table method. The study revealed that land in Cikancung District has actual land suitability classes for corn cultivation of N1n.,eh; N2eh; and S3rc.nr. Of the total 987.13 ha, 3.54 ha is classified as S3, while 983.59 ha is unsuitable due to slope limitations. With slope improvements (e.g., terraces) and nutrient retention measures (e.g., lime application), and orgnanic matter application. The potential land suitability classes improve to S2wa.rc; S3eh; and Neh. Under these improved conditions, the potential suitable land area for corn (S2 and S3) increases to 142.01 ha, representing 14.38% of the total land area.
Co-Authors Mahfud Arifin Rina Devnita Sandrawati, Apong Umami JM, Agnes Iko