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Soil REns
Published by Universitas Padjadjaran
ISSN : 14114224     EISSN : 26854058     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
SoilREns merupakan jurnal ilmiah ilmu tanah pertanian dan lingkungan. Berisi kumpulan hasil penelitian terkini mengenai isu-isu ilmu tanah pertanian dan lingkungan. Diterbitkan atas kerjasama antara Departemen Ilmu Tanah dan Sumberdaya Lahan Fakultas Pertanian UNPAD, bekerjasama dengan Himpunan Ilmu Tanah Indonesia (HITI).
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol 20, No 2 (2022)" : 8 Documents clear
Kepadatan Populasi dan Pola Distribusi Keong Mas (Pomaceae canaliculta L.) pada Ekosistem Sawah di Kecamatan Jatinangor Vira Kusuma Dewi; Rizky Ramdhani; Tarkus Suganda; Lindung Tri Puspasari; Rika Meliansyah
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45272

Abstract

Golden snail (Pomacea canaliculata L.) one of a keypests in rice cultivation in Indonesia. There are three species of golden snails in Indonesia, these are P.canaliculata L., P. insularum D., and P. paludosa S. The purpose of this research was to determine the population density and distribution pattern of golden snails (P. canaliculata) at Jatinangor rice fields. The research was conducted from June 2020 to August 2020 with purposive sampling method on 24 rice fields in 12 villages, specifically Hegarmanah, Cibeusi, Cikeruh, Cipacing, Sayang, Cileles, Cilayung, Cisempur, Cintamulya, Jatimukti, Mekargalih, and Jatiroke in Jatinangor, Sumedang and golden snails identification was conducted at the laboratory. The sample was taken by using purposive sampling method. Each rice fields used as a sampling location has a size 10 m x 5 m with 2 rice fields were determined for sampling in each village. Therefore, total research location was 24 rice fields. Two lands were taken from one village with a distance of ± 1 km between the fields. This is done to get a comparison of environmental conditions. The results showed that the density of snails in the rice fields of Jatinangor was categorized rare with an average density of 3.33 individuals/m². The difference in the density of snails in each area in Jatinangor was caused by differences in the age/phase of rice plants and control techniques. Furthermore, distribution pattern of the golden snail at the rice fields of Jatinangor has a clumped pattern for all locations
Reaksi Hipersensitif Daun Tembakau oleh Isolat Bakteri Pelarut Kalium pada Praformulasi Pupuk Hayati Diyan Herdiyantoro; Mieke Rochimi Setiawati; Tualar Simarmata
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45266

Abstract

The fruitfulness of biofertilizer application in increasing plant growth and yield is when the formulation uses selected microbial isolates that do not cause disease to plants. Hypersensitivity test is carried out to ensure that the microbial isolates used in the formulation of biofertilizer are not pathogenic to plants. The purpose of this study was to determine the pathogenicity of three selected potassium solubilizing bacteria (KSB) isolates (BPK-DHJ3-3150[17], BPK-DHJ1-4125[2], and BPKDHJ2-5250[16]) isolated from the maize plant rhizosphere on Inceptisols Jatinangor. The research was conducted using a qualitative experimental method that obtained data in the form of visual photos. The three selected KSB isolates were inoculated on tobacco leaves and observed for necrosis symptoms. The experimental results showed that the three selected KSB isolates did not cause a positive hypersensitivity reaction in tobacco leaves, which was indicated by the absence of necrosis symptoms at the leaf location where the KSB isolates were inoculated. The three KSB isolates were nonpathogenic isolates to plants.
Pengaruh Land Application Limbah Cair Pabrik Kelapa Sawit terhadap Kadar Nitrogen Dalam Tanah dan Tanaman Kelapa Sawit Menghasilkan Zaenal Mutaqin; Muliani Muliani; Jaini Fakhrudin; Okto Ivansyah; Nelson Fernando Siahaan
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45267

Abstract

This study aims to determine the effect of Palm Oil Mill Effluent (POME) and NPK with various treatment doses on the content of N-total, N-NH4 +, N-NO3 -soil and N uptake of oil palm crops produced. Knowing the appropriate doses of POME and NPK and their interactions for N-total, N-NH4 +, N-NO3 -- and N uptake of oil palm crops produce. This research design used a randomized block design (RBD) factorial with 25 treatments and five replicates. The first factor, namely L (POME) consists of 5 levels of treatment, namely: L0 (0 liter of POME / biopore hole), L1 (2.5 liters of POME / biopore hole), L2 (5.0 liters of POME / biopore hole), L3 (7.5 liters of POME / biopore hole) and L4 (10.0 liters of POME / biopore hole). The second factor, namely P (NPK fertilizer 15:15:15) consists of 5 levels of treatment, namely: P0 (0 kg NPK / plant), P1 (0.5 kg NPK / plant), P2 (1.0 kg NPK / plant), P3 (1.5 kg NPK / plant) and P4 (2.0 kg NPK / plant). The results of this study showed that there was an interaction between the dose of POME and the dose of NPK on N-total soil in the oil palm plantation produced. POME self-treatment has a marked effect on the total soil and the uptake of N-producing oil palm crops. NPK self-treatment had a marked effect on the N-total soil and N uptake of oil palm crops resulted in a treatment of 10 liters of POME and 2 kg of NPK was the best treatment against the increase in total N-total, N-NH4 +, N-NO3 - soil and N uptake of plants.
Potensi Kompos, tepung Azolla dan Dedak sebagai bahan Pembawa Bakteri Pemfiksasi N (BPN) dalam meningkatkan pertumbuhan dan hasil gabah Padi Gogo pada Inceptisols Jatinangor Pujawati Suryatmana; Jihan Fitria Meilani; Nadia Nuraniya Kamaluddin; Tualar Simarmata
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45268

Abstract

Rice is an important commodity in Indonesia because rice is the main source of carbohydrates for the Indonesian. Rice production in Indonesia relies on lowland rice, but the productivity of lowland rice is decreasing. One of the efforts to increase rice national production is utilizing upland rice plants. The problem with upland rice is its low productivity. Nitrogen-fixing biological fertilizers can be used to increase the productivity of upland rice plants. The effect of different doses of nitrogen fertilizer and nitrogen fixing bacteria with different carrier materials on the growth and yield of upland rice in Inceptisols Jatinangor was studied. Randomized block design with two factors: the recommended dose of urea fertilizer (100% and 50%) and the nitrogen-fixing bacteria factor with different carriers (compost, rice bran, and Azolla powder) were applied as an experimental design. The experimental results showed that the interaction of nitrogen fertilizer dose and nitrogen-fixing bacteria with different carriers had no significant effect on plant height, number of panicles, root shoot ratio, and weight of 1000 grains of upland rice plants. Application of nitrogen-fixing bacteria with compost, bran, and Azolla powder as carriers was able to increase the average weight of the filled grain higher than the control.
Pengaruh Pupuk Hayati Berbasis Azolla terhadap Nitrogen Tanah, Nitrogen Tanaman, Populasi Azotobacter, dan Hasil Tanaman Mentimun Pada Inceptisol Jatinangor Mieke Rochimi Setiawati; Evi Entang Fatimah; Diyan Herdiyantoro; Apong Sandrawati; Uum Umiyati; Pujawati Suryatmana
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45271

Abstract

The low productivity of cucumber plants in Indonesia can be caused by several factors, one of which is fertilization. Fertilization on Inceptisol soil which has a low nitrogen content is needed to increase cucumber crop yields. The use of inorganic fertilizers is limited to avoid environmental pollution, so the use of biofertilizers can be an environmentally friendly option. The purpose of this study was to determine the effect of concentration and interval application of azolla extract based biofertilizer on the total soil N, plant N content, Azotobacter population and cucumber yield. The experiment was carried out from August to November 2021 at the Ciparanje Experimental Garden, Faculty of Agriculture, Padjadjaran University. This experiment used a Completely Randomized Block Design of a combination concentrations (0, 5, 10, 15, 20 mL.L-1) and time of application (1, 2, 3 times). The results showed that the application of azolla extract based biofertilizer with different concentrations and application times had a significant effect on the azotobacter population but had no significant effect on soil nitrogen levels, plant nitrogen concentrations, and cucumber yields. The addition of 20 mL/L 2 times application of azolla-based biofertilizer increased cucumber fruit weight by 35.97% compared to control but did not cause a significant increase in yield
Efek Pemberian Kompos dan Biochar terhadap Pertumbuhan Bawang Merah (Allium ascalonicum L.) True Shallot Seed Pada Typic Hapludults Ajeng Siwi Nuraini; Putra Utama; Abdul Hasyim Sodiq
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45265

Abstract

The research was aimed to determine the growth of shallot (Allium ascalonicum L.) from true shallot seed (TSS) by giving compost and biochar in Typic Hapludults soil. This research was conducted at the Greenhouse and Laboratory of Soil and Agroclimate, Agriculture Faculty, Sultan Ageng Tirtayasa University and conducted on November 2020 to January 2021. This research used a factorial randomized block design (RBD) consisted of two factors, that were compost and biochar dosage that mixed into the suboptimal soil. The first factor was the dosage of compost (K) which consisted of 3 levels, that were 12.5 tonnes/ha (k1), 25 tonnes/ha (k2), and 37.5 tonnes/ha (k3). The second factor was the dosage of biochar (B) which consisted of 3 levels of experiment, namely 7.5 tonnes/ha (b1), 10 tonnes/ha (b2), and 12.5 tonnes/ha (b3). The results showed there was no interaction between the application of compost and biochar to suboptimal soil on the growth and yield of shallot. Giving biochar of 7.5 tonnes/ha had a significant effect on the parameters of the number of leaves at 1 WAP.
Aplikasi Pupuk Hayati Fosfat dan Amelioran Organik untuk Meningkatkan C-Organik, Pertumbuhan dan Hasil Tanaman Jagung (Zea mays L) pada Tanah Masam Fiqriah Hanum Khumairah; Anggi Jingga; Betty Natalie Fitriatin; Tualar Simarmata
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.42993

Abstract

Acidity is still a serious obstacle for maize cultivation due to the very low availability of phosphorus. The use of phosphate biofertilizers, containing phosphate solubilizing bacteria as an active ingredient, together with organic ameliorants was expected to be able to provide phosphorus for plants, increase the organic C content in the soil. Experiment aimed to find the proper application of phosphate biofertilizers along with organic ameliorants to support the growth and yield of maize on acid soils. The experiment used a factorial randomized block design with phosphate biofertilizers and organic ameliorants as the first factor and doses of P fertilizer as the second factor, which was repeated three times. Results showed that the application of phosphate bifertilizers consisted of Enterobacter ludwigii + Bulkholderia vietnamiensis + Citrobacter amalonaticus were applied together with organic ameliorants with the composition of chicken manure compost (25%): municipal waste compost (25%): coconut shell biochar (50%) at a dose of 5 tons/ha was able to increase plant dry weight and dry weight of shells per hectare by 248.87 g and 12.960 kg. The C-organic content of the soil had no significant effect due to the application of phosphate biofertilizers and organic ameliorants. The application of phosphate biofertilizers and organic ameliorants can support the growth and yield of corn plants on acid soils.
Aplikasi Pupuk Hayati Fosfat dan Bahan Pembenah Tanah Organik untuk Meningkatkan Pertumbuhan dan Hasil Panen Jagung (Zea mays L) pada Tanah Masam Fiqriah Hanum Khumairah; Anggi Jingga; Betty Natalie Fitriatin; Tualar Simarmata
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45538

Abstract

Acidity is still a serious obstacle for maize cultivation due to the very low availability of phosphorus. The use of phosphate biofertilizers, containing phosphate solubilizing bacteria as an active ingredient, together with organic ameliorants was expected to be able to provide phosphorus for plants and increase the organic C content in the soil. Experiment aimed to find the proper application of phosphate biofertilizers along with organic ameliorants to support the productivity of maize on acid soils. A factorial randomized block design was used with phosphate biofertilizers and organic ameliorants as the first factor and doses of inorganic P fertilizer as the second factor, all treatments was equipped with three replications. Results showed that the application of phosphate biofertilizers consisted of Enterobacter ludwigii, Bulkholderia vietnamiensis, and Citrobacter amalonaticus with the composition of chicken manure compost (25%): municipal waste compost (25%): coconut shell biochar (50%) at a dose of 5 tons/ha was able to increase plant dry weight and dry weight of shells per hectare by 248.87 g and 12.960 kg. The application of phosphate biofertilizers and organic ameliorants showed no significant effect to soil C-organic content. Phosphate biofertilizers and organic ameliorants can support the productivity of maize plants on acid soils

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