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Sains Tanah
Published by Universitas Sebelas Maret
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
Sains Tanah adalah jurnal yang dikelola Program Studi Ilmu Tanah Fakultas Pertanian UNS Solo yang melibatkan Editor dan Mitra Bestari dari institusi atau lembaga yang terkait. Sains Tanah mempublikasikan hasil penelitian dan telaah dalam bidang Ilmu Tanah dan Agroklimatologi serta bidang-bidang lain yang berkaitan, meliputi: Fisika dan konservasi tanah, Kimia dan kesuburan tanah, Biologi tanah, Mineralogi klei, Keharaan tanaman, Pedogenesis, klasifikasi dan survei, Pemupukan, Reklamasi dan remidiasi tanah, Agroklimatologi, Lingkungan
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Articles 8 Documents
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Search results for , issue "Vol 10, No 2 (2013)" : 8 Documents clear
PENGARUH TINGKAT KEMATANGAN KOMPOS TANDAN KOSONG SAWIT DAN MULSA LIMBAH PADAT KELAPA SAWIT TERHADAP PRODUKSI TANAMAN TOMAT (Lycopersicon esculentum Mill.) PADA TANAH ULTISOL Mercy Bientri Yunindanova; Herdhata Agusta; Dwi Asmono
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.144

Abstract

Title : The Effect of Maturity Level of Empty Fruit Bunch Compost and Mulch from Palm Oil Waste to Tomato Productivity in Ultisol. This research was conducted to understand the effect of maturity level of empty fruit bunch compost and mulch from palm oil waste to tomato productivity in ultisol soil. This research used split plot design with mulch as main plot and maturity level of compost as sub plot. The mulch consists of four types: control, shell, fiber, and chopped of empty fruit bunch. The maturity level of compost consists of 5 levels: control, 4 weeks, 6 weeks, 8 weeks, and 10 weeks. Material used in this research was tomato Ratna variety. Compost of 8 weeks gave the lowest value of C/N ratio (35.16) than 4, 6, and 10 weeks. This compost also had the highest level of N-total, P and Mg: 1.34 %, 0.08 %, and 0.25 %. Compost containing the lowest C/N ratio and higher nutrition gave better vegetative growt. Compost of 8 weeks and fiber mulch provided the highest harvest weight and the highest number of fruit (436.56 gram and 16 fruits). Fruit number and fruit weight were lower than general tomato cultivation because of soil condition. Soil type was ultisol which had lower acidity level. The lower KTK level of this soil made distruption in nutrients uptake. Compost of 8 weeks could increase harvest weight 52.59 % higher than control and also could raise number of fruit 82.53 % higher than control. Shell mulch presented negative effect to growth and productivity of tomato.
OPTIMALISASI LAHAN KERING KECAMATAN BAYAN-LOMBOK UTARA MENGGUNAKAN ASAM HUMAT TERIMMOBIL DALAM RUMPUT LAUT SEBAGAI PELENGKAP PUPUK PADA TANAMAN JAGUNG (Zea Mays L) Dhony Hermanto; Siti Raudhatul Kamali; Rina Kurnianingsih; Nurul Ismillayli
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.145

Abstract

Title : The Optimization of Bayan District Dry Land –North Lombok Used The Immobilized Humic Acid in Seaweed as Fertilizer Supplement  for Maize Plant (Zea Mays L). A study on optimization of dry land used the immobilized humic acid in seaweed as fertilizer supplement for maize plant (Zea Mays L) has been done in Bayan District North Lombok Regency Nusa Tenggara Barat Province. It was known that humic acid could increase availability and uptake of nutrient (N, P, K and Corganic) at maize plant in dry land of Bayan District. It was needed a modification technique that lower quantity of humic acid using without diminishing it’s utility, by immobilized humic acid in seaweed. Research design began with the preparation of immobilized humic acid in seaweed via entrapment technique (gel) and covalent bending (liquid). Immobilization result was characterized by infrared spectrophotometer. Agircultural land was mapped according to number of treatments, then each of them was analized physical and chemical properties before planting was done. Bayan agricultural land has sandy and loose texture, reddish brown colour, and neutral acidity (pH 6.97 at depth of 0-20 cm and a pH of 6.80 at depth of 21-40 cm). It has low availability nutrient of soil (Corganic, N, P, K) at 0-20 cm depth and 21-40 cm respectively are 2.950% and 2.860%, 0.067% and 0.076%, 0.001% and 0.004 %, 0.310% and 0.390%. While the cation exchange capacity value at a depth of 0-20 cm and 21-40 cm respectively are 20.95 and 22.16 me. Based on FTIR spectra, humic acid can be immobilized on seaweed as evidenced by absorption shift, especially in the carboxylic acid and amine groups. Humic acid was able to increase nutrient availability and uptake at maize plant through it’s ability in binding, adsorbing and exchanging nutrients. Application of humic acid in soil showed increasing of plant growth (plant height, weight and nutritional value of corn). Availability and uptake of N, P and K are highest in treatment 0.1% humic acid immobilized on seaweed 100 kg ha-1 (gel) and 0.1% humic acid immobilized in seaweed (liquid) with fertilizer 100% NPK dose.
ISOLASI MIKROBA ASLI TANAH ANDISOL DIENG DAN KAJIAN POTENSINYA SEBAGAI INOKULAN PUPUK HAYATI PELARUT FOSFAT Sudadi Sudadi; Hery Widijanto; Linda Habsari Efendi Putri
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.143

Abstract

Title : Isolation of Indigenous Phosphate Solubilizing Microbia from Andisols Dieng and Its Potency as Inoculum of Phosphate Solubilizing Biofertilizer. Phosphor (P) is an essential macro nutrient that occur frequently in low availability for plant. This research aimed to find indigenous phosphate solubilizing microbia from Andisols Dieng as biofertilizer inoculum. It was conducted in UNS Soil Biology Laboratory, Faculty of Agriculture, UNS. The research was begun with an exploratory research to obtain P solubilizer isolates (PSB). Research continued by two experiment, set by a completely randomized design (CRD) with two factors: kind of isolate from Andisols Dieng and incubation time. The first experiment was conducted in temporary period in the pikovskaya liquid medium. The second experiment was conducted in vermicompost its carrier. Each treatment combination was repeated 3 times. As much as 106cell or spore was inoculated per gram of medium or vermicompost. Dissolved P , biomass or cell density, and pH at 0,1, 3 and 6 days after incubation for the pikovskaya liquid medium and at 0, 2, 4 weeks for vermicompost. The results showed that there were 4 isolates potential to be inoculums of P solubilizer biofertilizer, they were are isolates of bacteria (P1), Aspergillusniger, Fusarium sp, and Aspergillus tamarii. Aspergillus niger is the most potential inoculums as it highest viability and dissolving phosphate both in liquid media (2.83me/l), and vermicompost (36.78% ).
PENGARUH DOSIS KOMPOS AZOLLA DAN PUPUK FOSFAT ALAM TERHADAP KETERSEDIAAN FOSFOR DAN HASIL KACANG TANAH PADA ALFISOLS Mohammad Denny Permana; Sumarno Sumarno; Sudadi Sudadi
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.195

Abstract

Title : The Effect Of Azolla Compost and Phosphate Rock Fertilizer Doses on Phosphor Availability and Yield of Peanut on Alfisols. The purpose of this experiment was to determine the best doses combination of azolla compost and phosphate rock which gives the highest availability P and peanut yield. The experiment was conducted from May to November 2012 at Dryland Research Center Faculty, at Jumantono subdistrict, Karanganyar and Soil Chemistry and Fertility Laboratory of Agriculture University of Sebelas Maret Surakarta. The experiment design used was completely randomized design (CRD) with the treatments combination of azolla compost and phosphate rock fertilizers i.e P0 (without treatment), P1 (75 kg ha-1 of phosphate rock), P2 (150 kg ha-1of phosphate rock), P3 (2,5 tons ha-1 azolla compost), P4 (2.5 tons ha-1 azolla compost and 75 kg ha-1of phosphate rock ), P5 (2.5 tons ha-1 azolla compost and 150 kg ha-1 phosphate rock), P6 (5 tons ha-1 of compost azolla), P7 (5 tons ha-1 of azolla compost and 75 kg ha-1 phosphate rock), and P8 (5 tons ha-1 azolla compost and 150 kg ha-1 of phosphate rock) and P9 (5 tons ha-1 manure) and P10 (50 kg ha-1 of urea, 100 kg ha-1 SP36, and 75 kg ha-1 KCl) as comparison treatments. The planting was conducted in the 30x40 cm pots filled with 12 kg of finely soil passes 2mm filter. Each pot planted with 3 seeds peanuts, then reduced to one crop per pot at 14 days after planting. Data were analyzed by F test 95% confidence level, if there is a significant influence followed by DMRT at 95% confidence level. Variables for this experiment are phosphor avaibility, CEC, organic matter, total N in the soil, fresh biomass and dry biomass peanut,height of the plant, fresh weight of pods, dry weight of pods, number of pods, dry seed weight and number of seed. The results showed that the best dose treatment was P8 which gives the highest of availability phosphor (13,01 ppm) and peanut yield (1,96 tons ha-1)
PENGARUH DOSIS INOKULUM AZOLLA DAN PUPUK KALIUM ORGANIK TERHADAP KETERSEDIAAN K DAN HASIL PADI PADA ALFISOL JUMANTONO Ransa Gustrada Syarif; Hery Widijanto; Sumarno Sumarno
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.196

Abstract

Title : The Effect of Azolla Inoculum Dosage and Organic Potassium Fertilizer on Potassium Availability and Rice Yield in Alfisol. This research conducted to determine the proper dose of azolla inoculum and organic potassium to increase the availability of potassium and increase yield of paddy rice,and to determine the best dose combination instead K availability. The research was conducted in May 2012 until November 2012 at Jumantono dryland research centre, Karanganyar regency and Chemical and Soil Fertility laboratory Agriculture Faculty UNS Solo. The research used Completely Randomized Design (CRD) using P as the treatment combination of Azolla inoculum and organic pottasium. For comparison is the treatment of manure and NPK fertilizer. The Variabel for this research are pottasium exchanged, CEC, organic matter, total N in the soil, dry weight of grain harvested and milled, and weight of 100 seeds. Data were analyzed by F test and DMRT at 5% level. The results showed that the combination dose of Azolla inoculum and organic potassium can increase the availability of potassium and rice yields on Alfisol soil. The research showed P8 (Combination of azolla inoculums 5 ton/ha and organic potassium 100 kg/ha) as the highest treatment.
KAJIAN EFEKTIFITAS PENGHAMBATAN NITRIFIKASI PADA RHIZOSPHERE BERBAGAI SPESIES TANAMAN Brachiaria DI ALFISOLS Anastasia Intan Sawitri; Purwanto Purwanto; Slamet Minardi
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.197

Abstract

Title : Study on Effectiveness of Nitrification Inhibition in Rhizosphere of Brachiaria species on Ultisol. It has been known for some plant species Brachiaria (Brachiaraia decumbens, Brachiaria humidicola , and Brachiaria brizantha ) that have been studied has been hoen to effectively inhibit nitrification from that rhizosphere activity. Therefore it is necessary to further resarch the cultivation of other plant Brachiaria species such as Brachiaria mutica , Brachiaria decumbens and Brachiaria humidicola, to determine the effectiveness as a barrier to the rate of nitification that carried out by the method of pot experiments with functional relationship variables approach based on sampling and nondestructif Completely Randomized Design ( CRD ) consisting of plant species Brachiaria factor . and various doses of N fertilizer is 100 kg / ha , 150 kg / ha , 200 kg / ha . Results of this study indicate that 1 ) Brachiaria mutica , Brachiaria decumbens and Brachiaria humidicola , very significant on nitrification potential , but the treatment of a wide range of doses of fertilizer N is not a real effect on nitrification potential . 2 ) Highest nitrification potential value in the treatment Brachiaria mutica in the amount of 5,114 mg NO2- / g soil /5hour , while the lowest value of the potential nitrification in plants Brachiaria humidicola is equal to 0,414 mg NO2- / g soil /5hour . 3 ) Of the three treatment plants Brachiaria sp . in that the treatment plant can Brachiaria humidicola considered the most effective in inhibiting nitrification.
PENGARUH PUPUK ALAMI BERMIKROBA (BIO-NATURAL FERTILIZER) TERHADAP SERAPAN FOSFOR DAN PERTUMBUHAN KACANG TANAH PADA TANAH ALFISOL, ENTISOL, DAN VERTISOL Yasinta Choirina; Sudadi Sudadi; Hery Widijanto
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.193

Abstract

Title : Effect of Bio-Natural Fertilizer on Phosphorus Uptake and Growth of Peanut in Alfisols, Entisols, and Vertisols. Development of bio-natural fertilizer was needed to overcome the scarcity of fertilizer in Indonesia, the deficiency of soil nutrient, and low efficiency of fertilizer use. The research purposed to study the effect of bio-natural fertilizer formula and find out of best formula on P uptake and growth of peanuts in various soils ordo. The experiment used a completely randomized design with three factors. The first factor was bio-natural fertilizer P1 (vermicompost 100% without enrichment material, without microbial inoculums), P2 (vermicompost 66,67%, enrichment material 33,33% and microbial inoculum of NPKS with proportion of 2:2:1:1), and P3 (vermicompost 33,33%, enrichment material 66,67% and microbial inoculum of NPKS with proportion of 2:2:1:1). The second factor was peanut varieties, Elephant and Rabbit varieties. The third factor was soil ordo, Alfisols, Entisols, and Vertisols. The variables observed were av-P, P uptake, shoot dry weight, soil pH, population of P-solubilizing fungi, plant height, and shoot fresh weight. Data was analyzed by F test at 95% level confidence. The results showed that formula of bio-natural fertilizer influence significantly on P uptake and growth of peanuts in various soils. The formula of bio-natural fertilizer P2 is the best formula to increased P uptake of peanut on Alfisols, Entisol, and Vertisol, as well as for highest peanut growth on Alfisols.
PENGARUH DOSIS KOMPOS AZOLLA DAN KALIUM ORGANIK TERHADAP KETERSEDIAAN KALIUM DAN HASIL KACANG TANAH PADA ALFISOL Lutfy Ismoyo; Sumarno Sumarno; Sudadi Sudadi
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.194

Abstract

Title : The Effect of Azolla Compost and Organic Pottasium Fertilizer Dosages on Pottasium Availability and Yield of Peanut on Alfisol. Production of groundnut can not meet the national demand right now. One of the reason is the degradation in soil fertility, such as potassium deficiency and low of soil organic matter content. Plants that has potassium-deficiency can not utilize water and nutrients from the soil efficiently. In organic farming system, soil exchangeable-potassium and organic matter content can be increase by the application of plant ash as organic potassium and azolla compost. The research conducted to determine the proper dose of azolla compost and organic potassium to increase exchangeable-potassium and yield of groundnut on Alfisol soil at Jumantono, Karanganyar District, Central Java, Indonesia. The experiment was arranged in Completely Randomized Design (CRD) with single treatment factor of azolla compost and organic pottasium combination (P1, P2, P3, P4, P5, P6, P7, P8) as well as manure and NPK fertilizer treatments. The Variables using in this experiment are K exchanged, CEC, Organic Matter, Total N, pH, plant height, fresh weight and dry stover, fresh weight, dry and number of pods, weight and number of seeds. Data were analyzed by F test and DMRT at 5% level. The land use media as much as 5 kg per polybag with 3 number plants per poybag, and in the second week we used to thinning the plants. Everyday we also doing watering and weeding. The observation were made every week until phase of generatif The results showed the application of azolla compost and organic potassium can increase exchangeable-potassium and yield of groundnut in Alfisol soil. The highest exchangeable-pottasium (0.53me%) taken from the treatment of P7. Moreover the application of azolla compost and organic potassium increased CEC, soil organic matter content, total-N soil as well as shoot fresh and dry weight of peanut.

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