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INDONESIA
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 13, No 2 (2016)" : 5 Documents clear
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.
MANAGEMENT OF LEGUME AS LAND COVER CROP AND EMPTY BUNCH FOR THE NITROGEN EFFICIENCY IN INCEPTISOLS AT OIL-PALM PLANTATION Supriyadi Supriyadi; Robertus Sudaryanto; Purwanto Hadisudarmo; Andries Safrudin
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.v13i2.264

Abstract

The research aimed to know the kind of legume cover crop which more suitable to be cultivated especially in area of Natar, South Lampung and to know the efficiency of N supply. It used a single Completely Randomized Block Design (CRBD) consisted of 4 treatments (several kinds of debris), covering: kacang benguk (Mucuna cochinchinensis), kacang ruji (Pueraria javanica), and oil-palm empty bunch compared to one which no debris added (control). Data analyzed by regression, F test (α 5%; or Kruskal-Wallis), DMR test (α 5%; or Mood Median) and correlation test. Result showed that Pueraria javanica (kacang ruji) was more suitable to be cultivated. Regression showed that management of empty bunch tend to enhance the ratio of NH4+/N-mineral as indicator of N supply efficiency, while the management of Pueraria javanica tend to decrease the ratio of NH4+/N-mineral. The degradation of soil NO3- concentration in the treatment of empty bunch was followed by the degradation of soil nitrification potential and the enhancement of heterotrofic bacteria. The enhancement of soil nitrification potential in the Pueraria javanica and Mucuna cochinchinensis management was followed by the degradation of soil pH.
The Roots and Leaves Character of Drought Tomato on Application of ZnSO4 Amalia T Sakya; Endang Sulistyaningsih; Didik Indradewa; Benito Heri Purwanto
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.v13i2.542

Abstract

Application of Zn, beside as an essential nutrient for plants, is known to increase the resistance of plants during drought condition. The purpose of the research was to study the effect of ZnSO4 application on root and leaf character of tomato plants in drought conditions. Research was arranged in factorial randomized completely block design. The treatment consists of ZnSO4 application methods (soil and foliar), ZnS04 dosage (0, 40 and 60 mg Zn kg-1 and cultivars ('Permata’ F1 and 'Tyrana’ F1). Watering intervals of every two and eight days were applied, representing non-stress and drought stress conditions during the growth period of the plant. The results showed that the all response of character roots and leaves of the tomato did not show interaction among the three factors. Root biomass, root length and root surface area of tomato plants depend on the method of application and ZnSO4 dosage. Soil application increased root biomass and root surface area. Root biomass of ‘Permata’ and ‘Tyrana’ showed differences in responses to dosage of ZnSO4. Leaf area responses in both cultivars ‘Permata’ and ‘Tyrana’ showed the same pattern of the ZnSO4 dosage. Response of leaf area ratio at each stage of tomato growth on ZnSO4 application was different.
Certification of Organic Agriculture for rice production in Indonesia Dedik Budianta; Yuanita Windusari; Supriyadi Supriyadi; Sri Yuliartini
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.v13i2.521

Abstract

To make better the life, it is required safety foods for health. The health foods can be satisfied by organic farming that have more expensive price compared to foods derived from conventional agriculture. Organic farming is farming system based on biomass recycling or eliminating the use of materials as a synthetic agrochemical inputs. To determine whether the result of rice called as a organic product needs to be certified by the Organic Certification Board (OCB). According to the Indonesian National Standard 6729: 2013, organic farming systems are not only limited to not use material agrochemical synthetic, but must meet the requirements of organic farming systems in rice cultivation ranging from handling, storage, processing, transportation, labeling, marketing, production facilities, additional materials and other materials that are allowed start on farm to off farm should be separated from conventional agriculture. The farm is just a negate the use of agrochemicals and synthetic based on recycling without regard to the cultivation process and the system of post-harvest organic results are said to be food premium is not as organic food, because organic food is food produced from organic farming systems by applying processing practices to preserve the ecosystem of sustainable, control of weeds, pests, diseases, selection and crop rotation, water management, land preparation and planting and the use of biological materials. Thus the system of organic agriculture is a holistic production management system to improve and develop the agro-ecosystem health, including biodiversity, biological cycles and soil biological activity (Regulation of Indonesian Agriculture Ministry No. 64/2013). The first step that must be done is the conversion of land for food crops from anorganic to organic farming for 2 years did not get the requisite amount of agrochemical ingredients applied to the soil and 3 years for annual plants, after applying the organic farming system follows the Indonesian National standardization for organic farming. If agriculture in paddy soil can control the conventional farms into organic farming systems, then the resulting rice is as an organic product

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