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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 5 Documents
 1 
Search results for , issue "Vol 12, No 1 (2015)" : 5 Documents clear
Organic Fertilizer from Silk Tree litter (Albizia falcataria L.) to Enhance Magnesium Availability for Paddy (Oryza sativa L.) in Alfisol Supriyadi Supriyadi; Dwi Priyo Ariyanto; Arlin Santoso
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.v12i1.267

Abstract

The research had been done in Pereng, Mojogedang, Karanganyar. The aim of the research is to know the influence of organic fertilizer enrichment with the addition of Silk Tree litter (Albizia falcataria L.) to improve the availability and the uptake of Mg on the paddy (Oryza sativa L.) fields in Alfisol. The research used Complete Randomized Block Design (CRBD) with two factors that were dose treatments and cultivation systems. The data analysis used F test, Kruskal-Wallis test, DMRT test, Mood Median test, and correlation test at the 5% significance level. The results of the research showed that the availability and uptake of Mg in conventional cultivation system are higher than the SRI cultivation system. Mg uptake in conventional cultivation systems amount to 0.015 g/plant. The highest Mg availability can be achieved in the D6B1 treatment (50% organic fertilizer + 100% dose recommendation + Silk Tree litter amount 15% of the weight organic fertilizer) amount to 2.34 cmol(+)/kg. Organic fertilizer with the addition of Silk Tree litter cannot enrich the availability and uptake of Mg, but conventional cultivation systems can influence the availability and uptake of Mg. Conventional cultivation systems influencing the availability and uptake of Mg are higher than the SRI cultivation system.
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.
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.
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.
Evaluation on Sustainability of Technological Dimension Biopore Absorption Hole Management for Soil Water Conservation in Semarang City Elesvera Destry; Hartuti Purnaweni; Syafrudin Syafrudin
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.v12i1.249

Abstract

Biopore technology innovation is an easy and cheap technology that can be applied in any class of society. Biopore Absorption Hole (BAH) is a cylincric vertical hole with a relatively small diameter. Eventhough the diameter is not so big, it is still effective to absorb groundwater.The dimension of technology reflected how this BAH tecnology is applied to the Management of BAH within the society of Semarang City.In order to achieve maximum results, an evaluation toward the sustainability of the dimension of BAH Management technology in Semarang City needs to be performed.The objectives of this research are to:1) studying the status of technology dimension in maintaining BAH, 2) studying sensitive attributes having influence toward index value and the sustainability status of technology dimension in maintaining BAH, as well as 3) formulating the priorities for policies applicable to technology in maintaining BAH in Semarang.The research took place in three administrative villages (Srondol Wetan, Jatingaleh, and Bendan Ngisor) in the city of Semarang.Those three locations were chosen to represent upper, middle, and lower regions of Semarang as water absorption area.The analysis of status determining data and leveraging factor was conducted using RAP – biopore method, while the the making of policy priorities was performed by using Analitycal Hierarchy Process (AHP).Results suggest that the status of the sustainability of Semarang’s BAH Management technology dimension was on “less sustainable” status (25,01 – 50,00). The strategy of enhancing influential sensitive attributes to improve sustainability status was a great success in affecting the values and sustainability status. Keywords :Biopore, RAP-Fish Modification, Sensitive Attribute, AHP, BAH Management.

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