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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
Arjuna Subject : -
Articles 180 Documents
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The Use of Banana Corm Extract and Phosphate Rock to Increase Available-P in Alfisol Slamet Minardi; Sri Hartati; Hery Widijanto; Defi Wulandari
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 12, No 2 (2015)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v12i2.240

Abstract

The aim of this research is to study the approprite formula and applied method of banana corm and phosphate rock on available-P in Alfisols. The research was arranged in factorial completely randomized design with 3 factors. The first factor is the dosage  of banana corm extract, which is consisted of: E1 = 100  ml of banana corm extract, E2 = 200 ml of banana corm extract, and E3 = 300 ml of banana corm extract. The second factor is the dosage of the phosphate rock which is consisted of B1 = 100 gr of  phosphate rock, B2 = 200 gr phosphate rock, and B3 = 300 gr of phosphate rock. The third factor is application method, which is consisted of M1 = directly applied  into the soil. M2 = incubated before applied into the soil. The observation of soil includes: soil pH, soil organic matter content, cation exchange capacity, total-N, total-P, available-P and the population of phosphate solubilizing bacteria. Result shows that available-P in the Alfisols is very low. The interaction amongs the treatment significantly affect the population of phosphate solubilizing bacteria. Banana corm extract and  phosphate rock applied directly into the soil increase soil pH.
Environmental Factors in the Growth of Jatropha at Potorono Village, Yogyakarta Mohammad Nurcholis; S Sumarsih; R. R. R. Brotodjojo; D. Haryanto
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 12, No 1 (2015)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v12i1.215

Abstract

Jatropha curcas is a perennial crop that has been known by Indonesian people for more than seven decades as a plant that produces renewable biofuel.  In the present decade, plants producing biofuel are expected to be developed to overcome the lowering nonrenewable fuel reserves.  There is a myth that jatropha can grow well on marginal lands and draught condition, perform well on non-fertile soils, no need for agronomic management and is resistant to plant pests and diseases.  This study was conducted to identify the environmental factors that influenced the growth of jatropha on the marginal land at Potorono village, Yogyakarta Province, Indonesia.  Jatropha has been planted by local people at the village road sides and on the marginal land field at the local governmental land in this village.  They grew jatropha on these areas with the purpose of preventing competition of area utilization with food crops.  The results showed that the growth of jatropha was restricted by low content of organic matter, plant nutrition and poor soil drainage.  Applications of manure and macro nutrients (N, P and K) to this crop were able to increase crop performance.  The number of shoots, flowers and fruit bunches increased by manure and nutrients treatments.  Field observation showed that there were several plant pests, such as Aspidiotus sp., Paracoccus marginatus, Poliphagotarsonemus latus, Selenothrips rubrocinctus, Chrysochoris javanus, Valanga nigricornis, Chloracris prasina, and Helicoverpa armigera that attacked plant leaves and fruits.  There were plant leaf necrotic symptoms that caused by plant pathogens were also observed. The diseases are bacterial leaf spot (Xanthomonas ricinicola), cercospora leaf spot (Cercospora ricinella) and rust (Phakopsora jatrophicola).   Thus, jatropha is like any other plants that need a good agro-ecological condition to grow well and produce high yield.
Stimulate The Growth of Rice Using Endophytic Bacteria from Lowland Rice Plant Tissue Nuni Gofar; Hary Widjajanti; Neni Marlina
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 12, No 2 (2015)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v12i2.250

Abstract

Exploration and selection of endophytic bacteria from healthy food crops grown in lowland ecosystem is important to be conducted in order to get growth-stimulating endophytic bacteria at soil with low fertility level so that capable to optimize initial growth of food crops and subsequently can increase productivity level of lowland soil.The research objective was to isolate and to test the IAA-producing endophytic bacteria isolate in stimulating the rice crop growth at lowland area. Endophytic bacteria are isolated from tissues of rice, corn and peanut crops which grown at shallow swamp land in Ogan Ilir and Ogan Komering Ilir Districts, South Sumatra, Indonesia. There was nine isolates of nitrogen-fixer endophytic bacteria that capable to contribute IAA phytohormone into their growth media. The P31 isolate from rice crop tisssue of 2 months old produce the best rice sprouts than other isolates. This isolate can contribute of about 10 mg kg-1 IAA to its growth medium  and increase the crowns dry weight and the roots dry weight respectively with magnitudes of 133% and 225% compared to control treatment. Concentration and absorbtion of N for rice crops innoculated with P31 isolates had increased by 169% and 400%, recpectively. The P31 isolates had been identified as Burkholderia pseudomallei (also known as Pseudomonas pseudomallei).
The Balance of N, P, and Manure Fertilizer Dosage on Growth and Yield of Peanuts in Alfisols Dryland Suryono Suryono; Hery Widijanto; Eka Miftakhul Jannah
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 12, No 1 (2015)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v12i1.252

Abstract

Peanuts cultivation in alfisols dryland limited by low levels of soil fertility. An agricultural intensification that could be done is application of organic and inorganic fertilizer. This research aimed to study the balance of N, P, and manure fertilizer dosage on growth and yield of peanuts in alfisols dryland. The research was done in April 2014 - September 2014 in Sukosari, Jumantono, Karanganyar. This research was compiled using a Randomized Completely Block Design (RCBD) factorial with three factors, there are dose of urea, SP-36 and cow manure fertilizer. The results showed that the dose combinations of urea, SP-36, and cow manure fertilizer have no interaction affected all of variable plant. The application of 300 kg ha-1 SP-36 fertilizer increased the number of pods and weight of pods, while the weight of 1000 seeds was improved by application of 150 kg ha-1 urea fertilizer.
The Change of Nutrients in Tidal Swamp Soil and Palm Oil Plant Due to Several Dosages Application of Palm Oil Mill Effluent on Planting Media Bakri Bakri; Siti Masreah Bernas; Dedik Budianta; Muhammad Said
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 12, No 2 (2015)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v12i2.294

Abstract

The change of several soil nutrients in tidal swamp area due to addition of palm oil mill effluent (POME) on soil media. The research objective was to determine the effect of different dosages application of palm oil mill effluent on nutrient changes within planting media. This experiment was conducted in a plastic house by using 8 month ages of plants consisting of 9 pots combined with 6 levels of BOD treatment (Biological Oxygen Demand) concentrations as follows: 20.000 mg/l (L5), 15.000 mg/l (L4), 10.000 mg/l(L3), 5.000 mg/l (L2), 2.500 mg/l (L1) and water only (Lo). The plants were grown for six months from December 2014 to June 2015. The variables observed were pH (H2O), pH KCl, C-Organic, N-Total, P-Bray I (ppm), K- dd, Na, Ca, Mg, Cation Exchange Capacity, Al-dd and H-dd as well as N, P and K nutrients of crop tissues. The results showed that addition of palm oil mill effluent increased soil pH and availability of soil N, P, K, Ca and Mg. Meanwhile nutrients content of N, P and K in tissues were not increased significantly by given POME with BOD up to 20.000 mg/l.
Rhizobacteria as Biocontrol Agents of Root Rot Disease on Shallot Nunik Iriyanti Ramadhan; Hadiwiyono Hadiwiyono; Sudadi Sudadi
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 12, No 1 (2015)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v12i1.217

Abstract

Shallot is a high-economic value commodit, but so far the supply is still lower than the demand. One of the production problem is “moler” disease of shallot (MDS) caused by Fusarium oxysporum f.sp. cepae (FOCe). The aim of this research was to study the potentiality of shallot rhizobacteria (SRB) from various soil ordo to inhibit (MDS). This research was held in the Laboratory of Biology and Soil Health and Greenhouse at UNS. This research was carried out by exploring rhizobacteria of shallot planted on Entisols, Andisols, and Vertisols. Rhizobacteria exploration results were tested for their ability to control Fusarium oxysporum f.sp.cepae (FOCe). Inhibitory ability test of SRB to FOCe was carried out in vitro and on shallot in the greenhouse. The research cused a Completely Randomized Design (CDR) with two factors. The first factor was rhizobacteria combination and the second factor was various soil ordo (Andisols, Entisols, and Vertisols). Each treatment was repeated three times. It was obtained three rhizobacteria isolates from Vertisols (B15: 70%), Andisols (B12:45,55%), and Entisols (B10:46,67%) being the highest inhibition results to FOCe. The combination of rhizobacteria B12 and B10 provided the lowest intensity.
Soil Fertility Status of Organic Paddy Experiment Mujiyo Mujiyo; Bambang Hendro Sunarminto; Eko Hanudin; Jaka Widada
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 12, No 2 (2015)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v12i2.472

Abstract

The study aims to determine fertility status of the soil after organic paddy experiments using kinds and doses of organic fertilizers. Experiment was conducted at greenhouse laboratory in Faculty of Agriculture Sebelas Maret University Surakarta. Experimental design used completely randomized design with 9 kinds of treatment was replicated 3 times. Experiments were the use of cow manure, Azolla fertilizer, Azolla inoculum and its combinations that are based on fulfilling nutrient requirements of 120 kg N ha-1.Result shows that the use of cow manure, Azolla fertilizers and Azolla inoculum had no effect on changes of soil fertility status. Soil fertility status was not significantly correlated with cow manure (0,16ns), Azolla fertilizer (0,26ns) and Azolla inoculum (0,16ns). Average of final soil fertility status included fertile category, which was similar as the initial soil fertility status. Average of final soil properties of treatment but nevertheless was relatively higher than in no treatment, indicating the use of cow manure, Azolla fertilizer, Azolla inoculum and its combinations had greater impact to soil properties. Cow manure despite increased available K2O and dry grain, but it did not significantly increase the soil fertility status from fertile to very fertile. This was presumably due to the relatively short experiment period, only one planting season had not given significant effect to soil properties. Implication of this study is the use of cow manure, Azolla fertilizer, Azolla inoculum and its combinations although did not increase the soil fertility status but could maintain soil fertility status as the initial conditions before planting.
Organic Matter and Root Development of Soybean in Agroforestry Soils tropical Sub Watershed Bengawan Solo Wonogiri Indonesia Supriyadi Supriyadi; Djoko Purnomo; Yuxand Devano Mangkulla
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 14, No 1 (2017)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v14i1.471

Abstract

Alfisols is a soil that lack of organic matter (OM). thus making the physical properties of the soil is easily damaged, because OM is used as an adhesive on soil physical properties. This study aimed to examine the physical properties of  Alfisols in agroforestry based of teak and its effect on the development of soybean. This research used a Randomized Block Complete Design (RBDC) which consists of three factors (soybean varieties,  teak litter dose and NPK chemical fertilizers. The results showed that Alfisols in agroforestry based on teak relative good with the stability of the aggregate value of the 225,101 (Very Steady). Varieties and increasing teak litter doses affect soybean root development while NPK fertilizer did not make an impact. Argo Mulyo varieties have better root development in comparison with Grobogan, and litter dose of 2,5 Mg ha-1 has the best root development in each variety.
Soil Classification and Land Suitability for Agroforestry of Solo Hulu Watershed Rahayu Rahayu
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 13, No 2 (2016)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v13i2.476

Abstract

Watershed requires management to diversify the function of sustainable biomass production, provide benefits for the socio-economic benefits and environmental aspects of land cover as a function of media production and water management regulator. It is known that upstream Solo watershed contributes sediment substantially to the silting of Gajah Mungkur reservoirs and carry sediment through Bengawan Solo river flow. Purpose of this study was to determine characteristics of soil and vegetation diversity in upstream Solo watershed area. Research was carried out by analysis of satellite observation and field survey with stratified random sampling method. Result showed that upstream Solo watershed is divided into six soil map units (SMU), soil was encountered into orders of Vertisols, Entisols, Alfisols and Inceptisols. Most areas of upstream Solo watershed was opened-vegetation with steep slope. Agroforestry type applied by public was simple agroforestry included mixed-cropping, barrier of bound and terrace and barrier of land ownership. Main vegetations were teak, mahogany and acacia. Land utilization was marginal with dry month length as an inhibitor factor.
Changes in Soil Chemical Properties of Organic Paddy Field with Azolla Application Jauhari Syamsiyah; Bambang Hendro Sunarminto; Mujiyo Mujiyo
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 13, No 2 (2016)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v13i2.611

Abstract

The use of high organic fertilizer in the organic farming system is one of the obstacles in the implementation of organic farming in Indonesia. It is necessary to find alternative materials to substitute or meet the shortage of existing organic fertilizer. This study aims to determine the effect of Azolla (Azolla mycrophylla. L) on some soil chemical properties on organic paddy field. The The field experiments used factorial complete randomized block design of three factors, namely Azolla (0 and 2  tons / ha), Manure (0 and 10  tons / ha) and Rice Varieties ( Mira1, Mentik Wangi and Merah Putih), with three times replication.  Azolla  2  tons / ha is able to increase soil total  N 18%; available P  87,5 %; organic C  3,78% CEC 8,03 % and soil pH 1,00%;  compared to control (without Azolla). Compared with manure 10  tonss / ha, giving Azolla 2  tonss / ha was able to increase only on soil available P about 50 %, but lower on  soil total N, organic C, CEC and  soil pH  1,9% ; 9,27% ; 9,40% and 0,67%.  Azolla can be used as a substitute or complement  of manure on organic  paddy field.

Page 16 of 18 | Total Record : 180

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