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INDONESIA
Jurnal Tanah dan Iklim
Published by Balai Besar Penelitian dan Pengembangan Sumberdaya lahan Pertanian
ISSN : 14107244     EISSN : 27227723     DOI : http://dx.doi.org/10.21082/jti.v44n1.2020.19-29
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal TANAH dan IKLIM memuat hasil-hasil penelitian bidang tanah dan iklim dari para peneliti baik dari dalam maupun dari luar Balai Besar Litbang Sumberdaya Lahan Pertanian. Jurnal ini juga dapat memuat informasi singkat yang berisi tulisan mengenai teknik dan peralatan baru ataupun hasil sementara penelitian tanah dan iklim.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "No 29 (2009): Juli 2009" : 7 Documents clear
THE CHARACTERISTIC OF SOILS WITH ANDIC PROPERTIES DERIVED FROM ACID PYROCLASTIC MATERIALS IN TOBA HIGH LAND PRASETYO, BAMBANG HENDRO; SUHARTA, NATA; YATNO, EDI
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 29 (2009): Juli 2009
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n29.2009.%p

Abstract

Soil with andic properties are generally found in Indonesian volcanic high land. To characterize the andic soils, six pedons derived from pyroclastic rock from Toba high land were studied. Properties of the andic soils from Toba high land were somewhat different from others andic soils in Indonesia. Results of chemical and mineralogical data interpretation showed that the andic soils from Toba were derived from acid pyroclastic rock. This indicate that andic soils in Indonesia not only derived fromintermediate to basic volcanic rock, but also from acid rock. The main problem of andic soils is in their high P retention. In the study area the P retention range between 34-95%, the soils are acid to very acid (pH 5.5-4.1), poor of nutrients, and some of them have very high Al saturation (>60%). Increasing exchangeable Al occur at pH 4 to 5, while the high Al saturation occur at concentration of exchangeable Al between 0.5 to 3cmolc kg-1. High value of P retention was caused by high content of amorphous materials, indicate by positive relationships between P retention and Al + ½Fe extracted by ammonium oxalate (R2 = 0,88). Clay mineral identification is needed to distinguis between amorphous and crystallin minerals that can be used as a basic of better soil management.
Predicting Discharge from Agricultural Catchment to Support Land and Water Management in Singkarak Basin, West Sumatra KASDI SUBAGYONO; BUDI KARTIWA
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 29 (2009): Juli 2009
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n29.2009.%p

Abstract

Limited hydrological data in Paninggahan sub catchment in Singkarak basin has resulted in inappropriate land management practices for farming system development. Predicting stream flow using an appropriate hydrological model is critical for a catchment with limited data recording. The present study has been conducted from January 2006 to December 2007. The objective of this study is to characterize hydrological condition of the catchment and to predict river flow for supporting design of landand water management options. To some extend, the study is to provide inputs in negotiation of farmers community with other stakeholders in the Singkarak basin. An automatic water level recorder (AWLR) and an automatic weather station (AWS) have been installed in the catchment to record hydro-meteorological data in order to calibrate hydrological model for predicting river flow. An instantaneous discharge model based on Geomorphological Instantaneous Unit Hydrograph (H2U) and a daily discharge model of GR4J were used to predict the river flow. The instanteneous hydrological data suggested that stream discharge sharply increased during onset rain and implying that the draining water was dominated by rapid flow. After peak storm has been reached, the water was slowly released to the river the one is typical hydrological process for disturbed catchments where rainfall water may no longer be retained in thecatchment. Application of both hydrological models in Paninggahan sub catchment during a period of March to April 2006 has given an appropriate result. The GR4J model has been calibrated and has given the value of similarity coefficient of 87.9%, while calibration of H2U model applied for storm event and has given the value of similarity coefficient of 96%. Thesucceed of predicting discharge using both models is valuable to support planning program in land and water management for farming system development in the Singkarak basin.
Sustainability Analysis of Existing Agriculture on High Risk Erosion Area (Case Studies in Lembang, West Bandung District and in Dongko, Trenggalek District) RACHMI WIDIRIANI; SUPIANDI SABIHAM; S. HADI SUTJAHJO; IRSAL LAS
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 29 (2009): Juli 2009
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n29.2009.%p

Abstract

There are three main constraints for the upland agriculture development, namely (1) steep slopes that limit the suitable farm land, (2) soil erosion rate tends to be higher than the rate of soil losses and (3) high average annual rainfall. This research focused on sustainability analysis at high risk erosion area in Lembang sub district and Dongko sub district. The aim of this research was to analyze index and sustainability status of the border area, existing farming on high risk erosion. Multi Dimension Scalling-Rapid appraisal for farming (MDS-Rapfarm) technique was used for evaluating the sustainability of existing farming based on five sustainable indicators i.e. ecology, economy, social, local organization, and technology. Soil analysis and USLE method were used to predict erosion rate and soil fertility. The result of the MDS analysis showed that sustainable multi-dimension index (ecology, economy, social, local organization, technology) of Lembang sub district was 35,47; 38,15; 56,42; 34,49; 17,30;and Dongko sub district was 24,16; 47,13; 63,78; 64,78; 41,55 (on scale 0-100). The average of soil loss in Lembang was predicted 147,29 t ha-1 year-1 and in Dongko was 245,95 t ha-1 year-1 on average. Attributes being sensitive in increasing index and sustainability status were: source of organic matter, perennial proportion, farmer oriented on agriculture extension, social conflict intensity, annual rainfall, land solum, land conversion, and number of agriculture household.
REHABILITATION OF SOILS POLLUTED BY MERCURY (HG) DUE TO GOLD MINING USING LEACHING AND ORGANIC MATTER IN GREEN HOUSE HARYONO, .; SOEMONO, S
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 29 (2009): Juli 2009
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n29.2009.%p

Abstract

The industrial waste, especially that without waste water management instalations caused soil resources degradation. The waste type that has potential to degrade the soil is toxic material, including the heavy metals. Mercury (Hg) is one of the toxic and dangerous heavy metal, which threaten crop, animal, and human health. All types of mercury compound are toxic for human. The mercury is one of the most toxic metal ion to soil biota. Generally, mercury availablility in soil for crop is low, and it tends to accunulate in rootzone. This indicated that the rootzone is a barrier to mercury uptake. The organic material can be used to adsorp the heavy metals. The material have functional array that is active to adsorp the heavy metal if it is ionized. The research was conducted in Soil Research Institute green house using factorial randomized block 3 x 4, with three replications. The first factor is Leaching (without leaching, leached with 1-2 litre pot-1 each three days). The second factor is organic matter (control;cow manure 1,181.47 g pot-1; chicken manure 741.62 g pot-1; straw compost 1,102.29 g pot-1). The research showed that the heavy metal polutions did not affect the rice (IR-64) growth and yield. Organic matter and leaching affect the mercury contents in produced rice. The Hg content from analysis of percolated water is not significantly different. The most effective treatment to lower the mercury content in rice to the level of ?Dirjen POM? (0.05 ppm or 50 ppb) is leaching with 1-2 litre water thatreached 14 ppb and 23 ppb; without leaching reached 25 ppb. Chicken manure with 1 litre water gained 34 ppb and 37 ppb. Organic matter addition with combination of leaching can decrease the Hg content to less the level.
THE EFFECT OF P FERTILIZER APPLICATION ON SOIL PHOSPHATE FORM AND CORN YIELD ON TYPIC PLINTUDULTS AND PLACIC PETRAQUEPTS KASNO, ANTONIUS; SUBIKSA, I MADE GUSTI; DWININGSIH, SUTISNI
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 29 (2009): Juli 2009
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n29.2009.%p

Abstract

Phosphorus is one of macro nutrient for crops, but on the acid soils it become a main limiting factor for increasing plant growth and yield. Phosphorus availability and forms in the soil are influenced by the level of soil acidity, Fe and Al oxide content and the kind of P fertilizer added on the soil. The objective of this research is to study the effect of three source of P fertilizer application on weight of dry corn and on forms of phosphorus on the soil. The experiment had been conducted on Typic Plintudults in Jagang, North Lampung and on Placic Petraquepts in Cicadas, Bogor. The treatments consist of three source of P fertilizer i.e.:SP-36, DAP, and TSP, and control treatment (without P). The P fertilizer rate is 40 kg ha-1. The results of the study show that the P fertilizer application can increase the dry corn weight from 2 t ha-1 to 6 t ha-1, Al-P from 13 ppm to 41-48 ppm, Fe-P from 176 ppm to 263-300 ppm, Rs-P from 27 ppm to 64-73 ppm, and Ca-P from 14 ppm to 18-34 ppm. The increasing of dry corn weight is influenced by the increasing of Al-P, Rs-P, and Ca-P content on the soils. The increasing weight of dry corn is most influenced by the increasing of Ca-P. Phosphate fertilizer on the Placic Petraquepts Cicadas, Bogor can?t increase weight of dry corn. SP-36 and DAP fertilizer can increase of Al-P and Rs-P, whereas TSP fertilizer decreases of Rs-P and Ca-P. TSP fertilizer is suitable for annual crops, increasing of Ca-P and yield of corn.
Hydrological Model of Upstream Aih Tripe Watershed for Drought and Flood Prediction . NASRULLAH; BUDI KARTIWA
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 29 (2009): Juli 2009
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n29.2009.%p

Abstract

The objectives of this research is to analyze biophysic caharacteristics of Upstream Aih Tripe Watershed and to predict discharge characteristic of Aih Tripe River based on hydrological models application. Modified H2U model is applied to predict instantaneous discharge, meanwhile GR4J model is applied to predict daily discharge. Upstream Aih Tripe characteristics are,1,115.2 km2 wide, stretch watershed type (Gravelius index 4.31), equivalent length (L) 252.40 and equivalent width (l) 4.42, parallel drainage pattern, maximum river order is 5 and drainage dencity 1.37 m m-2, global slope index (Ig) 2.0 and specific high different (Hg) 0.06. Instantaneous discharge simulation results at dry season are: instantaneous maximum discharge is 364.8 m3 s-1 and time to peak 4 hours, rainfall maximum intensity is 29 mm hour-1, rainfall is 45.9 mm with duration 5 hours. In rainy season, maximum discharge is 605.2 m3 s-1 and time to peak 2 hours, rainfall maximum intensity is 40.8 mm hour-1, rainfall is 73.2 mm with duration 7 hours. Maximum discharge during El Nino condition is 131.4 m3 s-1 (30 September) and minimum dischargeis 8.2 m3 s-1 (31 March). Discharge simulation during La Nina, maximum discharge is 328.3 m3 s-1 (11 December) and minimum discharge is 8.5 m3 s-1 (5 October).
Analysis of Climate and Soil Variables as Determinant Factors for Internal Quality of Tawangmangu Citrus YAYAN APRIYANA; . HARYONO; . SUCIANTINI
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 29 (2009): Juli 2009
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n29.2009.%p

Abstract

In Tawangmangu, citrus (Citrus nobilis L.) has a specific taste which may be affected by biophysical characteristics such as soil and climate. Yet, the nature of this citrus in relation with biophysical characteristics is rarely studied. The present study was aimed to (1) identify variables of soil and climate that affect the quality of citrus, and (2) characterize the quality of citrus spatially and temporally. The study was conducted covering deskstudy, field survey and laboratory analysis. Climate and soil parameters were ascertained by identifying citrus and its production, characterizing the farmer practices, observing selected climate and soil parameters, and formulating the selected climate and soil parameters in every stage of citrus growth. The quality of citrus product was ascertained throughlaboratory and organoleptic analysis. The results showed that citrus has better internal quality under the topography of more than 1,000 m above sea level (asl) and the average rainfall of 3,166 mm year-1, on Acrudoxin Hapludands soils compared with that growing in area of lower than 1,000 m asl and the average rainfall of 2,715 mm year-1 on Typic Dystrudepts soils. Citrus of Tawangmangu with good quality of yield needs low temperatureabout 190C and radiation about 320 kal cm-2 in flowering season while high and stable temperature of 22-230C and radiation about 400 kal cm-2 are needed during maturing period until fruiting period. Total Dissolved Solid and acid values significantly affected by most of macro nutrient i.e. N, P, K and micro nutrient i.e. Fe, B, and Cu, and also sand mineral i.e. opaque, volcanic glass and labradorit under the topography of more than 1,000 m asl. Meanwhile in area of lower than 1,000 m asl, total solublesolidity significantly affected by CEC, Al, organic matter, micro nutrient and also Opaque, Volcanic Glass and Labradorit. Acid value significantly affected by macro nutrient. Sweets content significantly affected by Hornblende, Augit, and Hiperstin. Therefore, citrus of Tawangmangu can be more adaptable if planted in Typic Dystrudepts on area of more than 1,000 m asl.

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