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INDONESIA
Jurnal Sumberdaya Lahan
Published by Kementerian Pertanian
ISSN : 19070799     EISSN : 27227731     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences
diterbitkan oleh Balai Besar Litbang Sumberdaya Lahan Pertanian, Jurnal Sumberdaya lahan terbit 2 kali setahun memuat suatu tinjauan terhadap hasil-hasil penelitian atau terhadap suatu topik yang berkaitan dengan aspek tanah, air, iklim, dan lingkungan pertanian
Arjuna Subject : -
Articles 212 Documents
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Harnessing Nutrients From Seawater For Plant Requirment YUFDY, M PRAMA
Jurnal Sumberdaya Lahan Vol 2, No 02 (2008): Desember 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

Numerous research findings have informed that nutrients for plant requirement can be explored from seawater. Apart of its high salinity, seawater contain high amount of cations. Efforts have been done to produce K fertilizer from seawater. In some countries, seawater based agriculture has also developed. Though, sodium concentration is very high in seawater, it is known as a beneficial nutrient to plant, and in some cases it can replace part of K function. Numerous research findings have shown that Na is essential for non-halophyte crops such as rice and tomato. Sodium is also essential for many crassulacean acid metabolism (CAM) species. Since pineapple is classified as CAM species, it has proven in a study indicated that some of K requirement can be substituted by Na from seawater when it was applied in diluted solution. Thirty percent of K fertilizer substitution by Na from seawater plus 70% K from KCl for pineapple can play the role of 100% K (300 kg/ha) for production of fruit fresh weight, without having any negative effects on the soil and plant. To make seawater worth pursuing for nutrients source, it needs to identify the potential crops that tolerant to salinity and the potential crops that require Na as nutrient as well as to partially substitute K. The opportunity is very high in Indonesia since the country has very large agricultural areas located close to the sea.
Land Resource Potential for Agricultural Commodity Development in West Kalimantan Province HIKMATULLAH, .; SUTRISNO, NONO; HIDAYAT, ACHMAD
Jurnal Sumberdaya Lahan Vol 2, No 01 (2008): Juli 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

West Kalimantan province with total areas of 14.64 million ha has already had spatial database of land resources at scale of 1:250,000 resulted from reconnaissance soil mapping (2004-2007). This database can be used for composing agricultural planing at province level. The area is composed of wetland ecosystem which covers 3,659,736 ha (24.99%), drylands with <15% slopes covers 4,356,790 (29.74%) and >15% slopes covers 6,441,956 ha (44.0%). The coverage of existing landuse for agriculture is only about 13.85% of the total area. In general, the area belongs to wet climate with average annual rainfall varies from 2,663 to 4,191 mm, and belongs to A, B1, and C agroclimatic zones. The area has various kinds of parent materials consisting of alluvium, organic matter deposit, old volcanic rocks, intrusive rocks, sedimentary rocks and metamorphic rocks that formed soil orders of Histosols, Entisols, Inceptisols, Spodosols, Ultisols, and Oxisols, which give variation in their properties. The result of the land resource potential analysis for agricultural commodity development is directed to: (a) land intensification for rice fields covers about 221,381ha, upland food crops (maize, upland rice, legumes, tuber crops) covers 173,581 ha, annual or estate crops (rubber, oil palms, coconut, pepper, and coffea) including fruit crops covers 570,266 ha, and for brackish fishpond covers 7,394 ha, and (b) land extensification for rice fields covers 869,133 ha, upland food crops 1,316,058 ha, estate crops (oil palm, rubber, coconut, pepper, coffea) covers 3,098,269 ha (as first priority at 15-25% slopes) and 1,300,374 ha (as second priority at 25-40% slopes), and for brackish fishponds covers 25,437 ha. The availability of spatial land resource information to develop high economic value of agricultural commodities, especially estate crops, would support establishing growth centre of agribusiness and agroindustry in the area.
Prospect of Rice Estate Development in Merauke Regency: A View from Soil and Water Management Aspects SUBIKSA, I GUSTI MADE
Jurnal Sumberdaya Lahan Vol 2, No 02 (2008): Desember 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

Rice estate development as instrument is targeting Merauke as a rice basket in the eastern part of Indonesia has been started by completing of Master Plan of Rice Estate Development. In the Master Plan, 206 cluster of production zone has been delineated, where each cluster consisted of about 5,000 ha. Rice estate development requires the appropriate land and water management planning to reach high land productivity and sustainable agriculture with minimal negative impacts to the environment. The appropriate soil and water management technologies are believed as key factors to develop this region, because most of the potential lands were swampy. The flat topography with unique and various climatic and hydrological characteristis lead to local specific land and water management. Site plan design model of rice estate should be integrated rice base crop livestock system. Since ruminant could make sinergic interaction with rice, the external input will be lower for sustainable agriculture. Amelioration, balance fertilization, and organic matter management will become technological components to determine the success of rice estate development. This paper explains the prospect of rice estate development from the view point of land and water management, organic matter, and balance fertilization in Merauke Regency, Papua.
Utilization and Development Strategy of PLG Peat Land in Central Kalimantan SURIADIKARTA, DIDI ARDI
Jurnal Sumberdaya Lahan Vol 2, No 01 (2008): Juli 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

Swampy lands in Indonesia are covering a very large area which are distributed in three main islands i.e. Sumatra, Kalimantan, and Papua. The total areas of swampy lands are 33.4 millions ha, that consist of tidal land areas covering 20 millions ha more or less, and about 13.4 millions ha of non tidal lands. To develop swampy land area need good planning with proper technological application, especially in soil and water management. The objective of opening swampy land areas is to overcome the decreasing of rice productivity of rice field in Java. This is due to landuse conversion to another function, such as office building, highway, roads, and manufactures. PLG areas consist of four blocks, namely Block A, B, C, and D which covers 268,000 ha, 156,000 ha, 570,000 ha, and 138,000 ha, respectivelly. The strategy for developing these areas are: 1) To make master plan of PLG areas, 2) The peat land that has a thickness more than 3 meters utilized for conservation areas, 3) The peat land with less than 3meters thickness will be utilized for developing agriculture, fishery and forestry, 4) Protection areas for developing biodivercity. If those strategies are being conducted, thus the rehabilitation and revitalization of this area will be easily executed. According to the research result conducted by Agency of Agricultural Research and Development during the period of 1997-2000 in these areas, it is indicated that the soils are very potential for food crops, horticultures, and fruits. The limiting factors of these areas are pest, diseases, and flooding at the peak of rainy season. These areas are very potential for agribusiness such as food crops, vegetable crops, fruits, and estate crops, if macro water management network can be functioned normally and limiting factors can be controlled.
Argicultural Land Tidal Swamp and Development Strategy Era of Regional Autonomy AR RIZA, ISDJANTO; ALKASUMA, .
Jurnal Sumberdaya Lahan Vol 2, No 02 (2008): Desember 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

Swamp land is one of natural resources which must be utilized wisely. Swamp land is able to be a growth resource that supports economic development and people welfare. In the autonomy era which has delegated a large authority to the regency administration, however, the tidal swamp land management has to consider the specific of land properties and characteristics. Land use policy should not be performed through a number of activities which can cause dramatically changes that has negative impact to environment qualities in the entire swamp system in the area. Swamp land utilization for agriculture should be recommended for sustainable agriculture that capable to grant the sustainability in terms of production and friendly environment. To approach the sustainability as mention above, it needs several strategies in swamp land management, including: (1) Detail land resources mapping, (2) Land suitability mapping followed by development of suitable commodities, (3) Soil amelioration and improvement of irrigation net work, (4) Specific location technology development, (5) Improvement and empowerment farm community cappabilities, (6) Infrastructure and agribusiness institution development. The implementation of these strategies needs effective work synchronization and coordination starting from planning towards field work among the related institution, in order to effective works in swamp land management can be reached
Association of Soil Minerals and Organic Matter and Their Impact on pH Value ANDA, MARKUS
Jurnal Sumberdaya Lahan Vol 2, No 01 (2008): Juli 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

Clay and organic colloids are two factors that control major, if not all, chemical, physical and biological processes and soil properties but maintaining soil organic matter content under tropical conditions is difficult. The objectives of this review are to explore association between minerals and organic substances, mechanisms underlying the stabilization of soil organic matter, and their implication on pH0 of soil variable charge component. The modes of interaction in clay-humus complexes may occur through anion and ligand exchange to the crystal edges, cation or water bridge to basal surfaces, H-bonding to the siloxane or gibbsite sheetby van der Waals forces attraction (physical bonds), entrapment in crystal pores and intradomain regions, and adsorption in interlayer spaces. Organic matter preservation was related to amount of clay fraction, type of clay mineral present and aggregate formation. High preservation occurs in soils having high clay content, the presence of 2:1 minerals and amorphous minerals (allophane and imogolite), and a larger aggregate size. Current knowledge indicates that the mechanisms of soil organic matterstabilization are: (i) chemical recalcitrance involves elemental composition, the presence of functional groups, and molecular conformation of organic substances against decomposition by microbes and enzymes; (ii) chemical stabilization occurs through adsorption of functional groups to clay mineral surfaces and amorphous sesquioxides; (iii) physical protection involves organic substances being protected by clay fractions in soil pores, especially mesopres (2-50 nm) that limits the accessibility of microbes andenzymes. Soil organic matter is powerful in masking reactive mineral surfaces and generating soil negative charge, which is revealedby the low value of pH.
The Characteristics of Rice Soils Derived from Alluvial Deposite and their Management PRASETYO, BAMBANG HENDRO; SETYORINI, DIAH
Jurnal Sumberdaya Lahan Vol 2, No 01 (2008): Juli 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

Rice soils derived from alluvial deposite were spread almost in all Indonesian archipelago, due to the fact that the parent materials were resulted from sedimentation processes after erosion or weathering either in the upper course of river or the higher place, from the far or short distance. Generally the more distance of sediment material from the source of erosion or weathering, the more variation in the properties, and the closer of sediment material from the source of erosion or weathering, the more homogeny of the sediment material properties. The content and kind of weatherable mineral which were act as important source of nutrient inthe rice soils were influenced by parent materials. Among the parent materials, the sediment from intermediate to basic volcanic materials was the best supplier of nutrients. The most constrain in the alluvial rice soils are acidity and the nutrient content or source of nutrients. A balanced fertilizing based on soil testing is the best way to manage alluvial rice soils. For the area which is already had P and K nutrient status map at 1:50,000 scale, the fertilizing recommendation of primer macro nutrients could be refered to the map, while for the area that do not has a P and K nutrient status, the soil testing analyses should be done. Return straw to the ricefield is strongly recommended, because returned straw could be thrifty application of fertilizer, especially kalium (K).
Recommendation of Sustainable Landuse in Border Area East Kalimantan-Malaysia HIDAYANTO, M; SABIHAM, SUPANDI; YAHYA, S; AMIEN, LE ISTIQLAL
Jurnal Sumberdaya Lahan Vol 2, No 02 (2008): Desember 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

Development problems of agriculture on border area require handling which more comprehensive and sustainable. Up to now, research results indicate that efforts has been done in handling various problems in agricultural sector, but still partial and is not be able to overcome complex problems. Therefore to overcome various development problems of agriculture on the border area need to be done in holisticaly, covers all aspect i.e. social, economics, ecology, and institution. Sebatik Island is one of state border area between Indonesia and Malaysia, located in Nunukan District, East Kalimantan Province. Up to now, cocoa is still the priority commodity, but its productivity is relatively low. Based on potency and constraint of land resources in Sebatik Island, sustainable recommendations to increase land productivity of cocoa i.e. (1) land and water conservation management, (2) using organic matter, (3) proportional fertilization, (4) using mulch, (5) integrated crop management, (6) integrated crop-livestock system, and (7) improvement of capacity of farmers institution
Reformation of Dryland Management for Supporting Food-Self Sufficiency IDJUDIN, ABDULLAH ABAS; MARWANTO, SETIARI
Jurnal Sumberdaya Lahan Vol 2, No 02 (2008): Desember 2008
Publisher : Indonesian Center for Agriculture Land Resource Development

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Abstract

Dryland areas in Indonesia which have not yet managed intensively as an agriculture land cover 12.90 million ha. These areas are not well managed due to low growing index, especially in Java Island. The lack and the weakness of dryland management in Indonesia causing degradation of soil function and influencing the effort to raise people welfare. Entering the third Millenium era, the paradigm and conception of natural resources management, including reformation of dryland management are needed to be renewed. Based on bio-physic factors, moderate to high potential dryland cover 5.09 ha and low potential dryland cover 7.81 ha. Environmental physical constraint can be overcome both by short and long program in order to support food-self sufficiency stabilization. Short program is coordinated efforts to build productive dryland agriculture using technology and new innovation through integrated plant and land resources management. Long program is the continuation and extension of short program, and other effort to enhance food productivity through optimizing dryland resources utilization technologies (soil erosion control, smallponds establishment, water distribution management, and seeding system) and organizational. Food production of 11.34 x 106 t dryland rice and 6.91 x 106 t grain per year can be gained through the reformation of dryland management. Reformation of dryland management is absolutely needed to support and stabilize food-self sufficiency in Indonesia, in order to release our dependency on food import from abroad.
Pemetaan Potensi Air Tanah untuk Mendukung Pengembangan Pertanian Lahan Kering Nani Heryani; Budi Kartiwa; Hendri Sosiawan
Jurnal Sumberdaya Lahan Vol 8, No 2 (2014)
Publisher : Indonesian Center for Agriculture Land Resource Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jsdl.v8n2.2014.%p

Abstract

Abstrak. Informasi potensi air tanah merupakan salah satu acuan yang sangat penting dalam pengelolaan air pada lahan kering baik untuk pemanfaatan aktivitas rumah tangga maupun untuk pengembangan pertanian. Sampai saat ini, metode atau survei geolistrik merupakan metode cepat dan penting untuk mempelajari dan menggambarkan kondisi akuifer di lahan kering. Teknik Vertical Electrical Sounding (VES) dipergunakan untuk menentukan potensi air tanah melalui dua elektroda arus yang diinjeksikan secara vertikal ke dalam bumi, dan sangat populer dalam studi air tanah karena tekniknya sederhana. Dari hasil pengukuran arus dan beda potensial untuk setiap jarak elektroda tertentu, dapat ditentukan variasi nilai hambatan jenis masing-masing lapisan di bawah titik ukur (titik sounding). Perbedaan sifat kelistrikan batuan antara lain disebabkan oleh perbedaan karakteristik batuan (kerapatan, porositas, ukuran pori, bentuk), kandungan air, suhu, dan sebagainya. Hasil penelitian di beberapa agroekosistem lahan kering yang tersebar di Pulau Sumatera, Jawa, Bali, Nusa Tenggara Barat dan Nusa Tenggara Timur memberikan informasi bahwa wilayah lahan kering tersebut memiliki air tanah dengan kategori sangat buruk sampai bagus dengan potensi debit antara <0,4 sampai 16,7 l detik-1. Peta potensi air tanah yang dihasilkan memberikan informasi tentang lokasi/titik pengamatan yang berpotensi untuk dilakukan pengeboran air tanah untuk digunakan sebagai sumber irigasi.Abstract. The information of groundwater potency is one of the most important reference in the water management on dry land for the utilization of household activities and agricultural development. Nowadays, the observation of geoelectrics has been utilized as quick and important exploring tool for studying and depicting the subsurface aquifer in arid areas. The Vertical Electrical Sounding (VES) technique was employed to determine the groundwater potential through two current electrodes vertically planted on the ground, and has proved very popular with groundwater studies due to simplicity of the technique. By measuring the resulting variations in electrical conductivity potential at other pairs of planted electrodes, it is possible to determine the variations in electrical conductivity of the layer at the VES’s point. It is based on measuring the contrast in electrical conductivity of the different rock units which is varying according to the rock nature (density, porosity, pore size and shape), water content and temperature. Result of the researches in several upland agroecosystem at Sumatera, Java, Bali, East and West Nusa Tenggara provided the information of groundwater potency. These upland areas have a groundwater potency between very poor to excellent categories, with potential discharge between <0,4 to 16,7 l sec-1. Groundwater potential maps provided the informations of the area which potential for groundwater drilling as a source of irrigation.

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