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PENINGKATAN PRODUKTIVITAS LAHAN PODZOLIK MERAH KUNING MELALUI PEMUPUKAN PUPUK HIJAU Flemengia congesta DAN KAPUR DOLOMIT Djamhari, Sudaryanto
Jurnal Rekayasa Lingkungan Vol 6, No 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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The obyektive of the researcah is to know the effect of to the land fertility, regarded to soybeen production. The reserch use Complete Randemize Disign With One Way Analysis of Variance, Regression, and Correlation in order to know the effect of treatment to the land fertility. The research was carried out in Wonoharjo Village, Unit VIII Kuro Tidur Transmigration area, Bengkulu, during three planting season from 1999 to 2000. The result of the research showed that Flemengia congesta as a fence crop or hedgerows was segnifi cant to land fertility through improvement of nutriens availability, increasing pH, decreasing availability of aluminium (Al). The effect of organic matter from prunning ofthe hedgerows into the soil a high of 5,0 ton/ha will increase average soybenn production from 13,974 kw (dry grain) to 18,176 kw/ha or increase 30,07 %, whereas the effect of organic matter 5,0 ton/ha combained with dolomit 2,5 ton/ha will increase 43,00 %. The effect of organic matter 10,0 ton/ha combined with dolomit 2,5 ton/ha will increase average soybeen production from 13,974 kw/ha or increase 57,19%.Keywords: red yellow podzolic land, organic matter, dolomit, land produktivitas

PEMUPUKAN DENGAN BAHAN ORGANIK UNTUK MENUJU PERTANIAN YANG BERWAWASAN LINGKUNGAN DESA SEMBALUN LAWANG, NUSA TENGGARA BARAT Djamhari, Sudaryanto
Jurnal Rekayasa Lingkungan Vol 5, No 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Most of people Sembalun Lawang Village have subsistence agriculture sector. The government programs to increase productions and to use an-organic fertilizer and chemical pesticide. To given this production input result to make other the soil low fertility. Is this on proved always from the Soil Laboratory, Mataram University.To increase fertility, there is a way to give organic fertilizer and micro-organism on at time activity soil processing. This a way a technick of agriculture plantation for organic agriculture wich concern in production and mantinence aruond eco-system.Keywords : organic fertilizer, environmently agriculture,

PENERAPAN TEKNOLOGI PENGELOLAAN AIR DI RAWA LEBAK SEBAGAI USAHA PENINGKATAN INDEKS TANAM DI KABUPATEN MUARA ENIM Djamhari, Sudaryanto
Jurnal Hidrosfir Indonesia Vol 4, No 1 (2009)
Publisher : Jurnal Hidrosfir Indonesia

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Lebak bog farm (fresh water) potency in big enough Muara Enim District, South Sumatera, that is 12.684 hectare, what consist of 6.342 hectare shallow/superficial lebak, 3.805,2 hectare middle lebak, and 2.536,8hectare deep lebak. Lebak bog farm exploiting specially causeway lebak or skin-deep have constraint, that is newly can be exploited in the situation irrigate wet up to height of water ± 30 cm, is later then cultivated by other food crop or paddy while at dry condition cannot cultivate, with such condition of farm can only cultivate once plant in one year (IP 100 %). To overcome the above mentioned problem is way of which is gone through is by applying technology management of better water by making surjan rice field and constructively pump irrigating of problems of water can overcome, goodness when the rains and alsowhen dry season, so that lebak bog farm can be laboured by thrice planting in one year ( IP 300 %).

PERAIRAN SEBAGAI LAHAN BANTU DALAM PENGEMBANGAN PERTANIAN DI LAHAN RAWA LEBAK Djamhari, Sudaryanto
Jurnal Hidrosfir Indonesia Vol 5, No 3 (2010)
Publisher : Jurnal Hidrosfir Indonesia

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Bog lebak farm, specially shallow lebak have potency to be developed to to become agriculture farm like rice field farm which is have irrigating. Farm lebak bog characteristic at the rains suffused by water and at dry season happened dryness, pond irrigate in shallow lebak bog do not go alongway so that in have paddy crop conducting to have risk lacking of water, good at a period of/ to growth or at a period of/to admission filling of fruit as a result fruit become small even do not contain, so that unattainable optimum productivity. Taken by step is to provide seed ready to plant before water pond dwindle. Seed conducted in territorial water with ploating system, by using materials, for example: bamboo, gegas leaf, and green algae from territorial water. Pursuant to result of Laboratory Majors Land, Faculty OfAgriculture, IPB, that nutricie element content can be used at phase growth of seed. Conducted of seed with system float in territorial water hence problem of is ready of seed at lebak bog farm which still suffused by water can overcome and crop will be able to be conducted at the time of water not less than 20 cm.

MEMECAH DORMANSI RIMPANG TEMULAWAK (Curcuma xanthorrhiza ROXB) MENGGUNAKAN LARUTAN ATONIK DAN STIMULASI PERAKARAN DENGAN APLIKASI AUKSIN Djamhari, Sudaryanto
Jurnal Sains dan Teknologi Indonesia Vol. 12 No. 1 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Temulawak is a plant propagated vegetatively with rhizomes. Its rhizome undergoes a dormancy phase in dry season and this phase will break up in wet season. The objective of this study is to know the dormancy breaking by soaking the temulawak rhizome in stimulating biology liquid (0, 2, 4, 6 ml/l) and commercial auxin liquid (0, 10, 20, mg/l). The result showed that both liquid could stimulate the dormancy breaking. However those treatments were not different with control (biology liquid 0 g/l and commercial auxin 0 mg/l ). The number of shooting rhizomes, total shoots, rooted rhizomes and total roots in all treatment were not significantly different from the control.

UJI PUPUK (NPK dan EMAS) DAN ZAT PENGATUR TUMBUH (ATONIK dan ETHREL) TERHADAP PERTUMBUHAN VEGETATIF TANAMAN LADA (Piper nigrum L) Djamhari, Sudaryanto
Jurnal Sains dan Teknologi Indonesia Vol. 8 No. 1 (2006)
Publisher : Badan Pengkajian dan Penerapan Teknologi

The objective of the research is to know the effect of using NPK (Nitrogen-Phosphor-Potassium) fertilizer and EMAS (Enhancing Microbial Activities in the Soil) biofertizers combined with GRS (Growth Regulating Substances) to the vegetative growth of young pepper plants. The research used Complete Randomized Design with One Way Analysis of Variance, Regression, and Correlation in order to know the effect of treatment to the vegetative growth of young pepper plants. The research was carried out in Sukahati Village, Cibinong District, Bogor Regency, West Java Province, during three months from July to October 2001.The results of the research showed that the use of NPK fertilizer (with dosage 2,5 gr/plant) combined with GRS Atonik and Ethrel will increase the vegetative growth of young pepper plants significantly to a high of 13,0 cm or 17,4 % and 12,5 cm or 16,8 % respectively. The use of EMAS biofertilizer (with dosage 2,5 gr/plant) combined with GRS Atonik and Ethrel will increase the vegetative growth of young pepper plants significantly to a high of 21,2 cm or 28,5 % and 18,1 cm or 24,3 % respectively. Moreover, the use of NPK fertilizer (with dosage 5,0 gr/plant) combined with GRS Atonik and Ethrel will increase the vegetative growth of young pepper plants significantly to a high of 22,2 cm or 29,8 % and 20,3 cm or 27,2 % respectively. The use of EMAS biofertilizer (with dosage 5,0 gr/plant) combined with GRS Atonik and Ethrel will increase the vegetative growth of young pepper plants significantly to a high of 28,2 cm or 37,9 % and 26,6 cm or 35,7 % respectively.

PENINGKATAN PRODUKSI PADI DI LAHAN LEBAK SEBAGAI ALTERNATIF DALAM PENGEMBANGAN LAHAN PERTANIAN KE LUAR PULAU JAWA Djamhari, Sudaryanto
Jurnal Sains dan Teknologi Indonesia Vol. 11 No. 1 (2009)
Publisher : Badan Pengkajian dan Penerapan Teknologi

The rice production in Indonesia is not balance with the population rate. Thiscondition is caiseb by the productive agriculture land is coverted into housing area,industries/factories, roads, etc. The “Rawa Lebak” has a high potential to bedeveloped become productive agricultural land. But, there are severval constrainswhich have to be overcome, that is the source of water, where where in the dryseason there are drought and in the rainy season there are fload, the land is notfertile, and produtivity is low. Ogan Komering Ilir (OKI) District have “ Rawa Lebak”land area to a high of 164,034 hectars. In not deep and middle “rawa lebak” typeshave high potensial to be developed irrigation agricultural land trough technologyapplication in water management ang cultivation which can increase theagricultural index to 3 times anually and rice production reach to a high of 7,00tons/ha (dry reap). Therefore, “rawa lebak” can be used as alternative in theagriculture developmen outside Jawa.

KAJIAN PENERAPAN MEKANISASI PERTANIAN DI LAHAN RAWA LEBAK DESA PUTAK - MUARA ENIM Djamhari, Sudaryanto
Jurnal Sains dan Teknologi Indonesia Vol. 11 No. 3 (2009)
Publisher : Badan Pengkajian dan Penerapan Teknologi

The industrial and population growth in Java leads to converse the land function from the agriculture to industrial, estate and high way. Therefore, the development of agriculture must be relocated to outside Java, where there are a lot of land available. One agricultural of problems in outsideJava is the lack of labour especially for land cultivation and other which need many labour.The use of mechanical appliance. is the best alternative to overcome that problem. This research was assessed four aspects for applying of mechanical appliance in lebak bog farm. The objective of the research was to extend the use mechanical appliance to increase farm production, farmer income and tractor interpreneur income.

BIOKOMPOS CAIR DAN PUPUK KIMIA NPK SEBAGAI ALTERNATIF NUTRISI PADA BUDIDAYA TANAMAN CAISIM TEKNIK HIDROPONIK Djamhari, Sudaryanto
Jurnal Sains dan Teknologi Indonesia Vol. 14 No. 3 (2012)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Technique hydroponic system with Nutrient Film Technique (NFT), is one way of vegetable crops that can be done in a narrow and without the use of soil media. Nutrition is done by pouring so that it can carry oxygen (O2) from the air. Generally fertilizer nutrient used in hydroponic technique is AB-mix, this study sought to examine alternative combinations of NPK fertilizer and liquid biokompos on some degree of concentration thatcan provide optimum production growth in crop varieties caisim Tosakan. This experiment used Completely Randomized Design (CRD) with 4 treatments. Data analysis was performed using different test each plant and resumed Duncan Multiple Test Distance otherwise known Duncan's Multiple Range Test (DMRT) at 5% level (F count> F table orP> 0.05) was conducted to determine the extent of the effect is real or not experiment treatmentResearch results indicate that administration of a mixture of NPK fertilizer and liquid fertilizer biokompos An1O1 the treatment can be used as a substitute for AB-mix in the provision of nutrition to the cultivation of varieties caisim Tosakan with hydroponictechniques. An1O1 treatment is the best dose when compared to the control treatment AB-mix, An2O2, and An3O3 the highest production yield component (gross production amounted to 97.67 g / plant and 85.75 g CP / tan).

SIFAT KIMIA TANAH DAN KESESUAIAN LAHAN PADA MASING-MASING TIPOLOGI LAHAN RAWA LEBAK UNTUK BUDIDAYA TANAMAN PADI, KASUS DI DESA TANJUNG ELAI, OGAN KOMERING ILIR Waluyo, Waluyo; Djamhari, Sudaryanto
Jurnal Sains dan Teknologi Indonesia Vol. 13 No. 3 (2011)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Research conducted in the village of Tanjung Alai, District of Padang Sira Island Komering Ogan Ilir district of South Sumatra with an area of 100 ha. This study aims to determine the soil chemical properties and suitability of land in each valley swamp land typology. Result interpretation and field observation and analysis of soil samples, the soil in the study area can be categorized as follows: 1) Typic Haplosaprists; saprik, shallow, drainage is blocked, flat pH 4.6, covering 13.5 hectares or 13.5%. 2) Humic Endoaquent; texture of clay dust layer, bottom layer of clay, deep, drainage is blocked, flat, pH 4.6, an area of 11.5 ha or 11.5%. 3)Humic Endoaquent; texture of clay dust layer, bottom layer of clay to sandy clay, in, blocked drainage, flat, pH 4.4 to 4.6, an area of 45 ha or 45%. 4) Typic Dystrudepts; texture of clay dust layer, bottom layer of sandy clay, deep drainage was, flatly, pH 6.0, an area of 30 ha or 30%.Based on the parameters used in determining the suitability of land that is effective depth, soil fertility, soil acidity, drainage class, damage due to flooding and others, it can be divided into 3 units of land for land suitability for rice paddy fields as follows: 1), S2ra-1 (paddy rice).Enough suitable land for paddy rice crops, the rooting medium limiting factor (saprik peat maturity) and the retention of nutrients (acid soil pH), an 13.5 ha (13.5%) for rice fields. 2). S2ra-2 (paddy rice); Enough suitable land for paddy rice crops, the rooting medium limiting factor (dusty clay texture) and nutrient retention (acid soil pH), an area of 56.5 ha (56.5%) for rice paddies. 3) N2d (soy), S3r2 (paddy rice); Marginal land suitable for paddy rice crop, with the limiting factor rooting medium (somewhat hampered drainage).

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