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EVALUASI SIFAT KIMIA TANAH MENURUT JARAK DARI SUNGAI DI DAERAH PASANG SURUT KECAMATAN KOTA BESI, KOTAWARINGIN TIMUR, KALIMANTAN TENGAH Journal, Administrator
AgriPeat Vol 19 No 01 (2018): Vol 19 No 01 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 01 Maret 2018
Publisher : AgriPeat

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ABSTRACTThis study aims to determine the effect of the location distance from the river bank and the depth ofsoil layer to the soil chemical properties in the tidal land area. The study was conducted in April untilJune 2016 in the tidal areas of Bajarum village, District of Kota Besi, East Kotawaringin, CentralBorneo Province. The study used survey methods and soil sampling in the field, analysis of soilsamples in the laboratory and continued with analysis and description of data. Soil sampling wasconducted at distances of 250, 500, 750, 1.000, 1.250 and 1.500 meters from the Mentaya river bankat two depth soil layers (0 - 25 cm and 25 - 50 cm). The soil chemistry properties analyzed includedpH, cation exchange capacity (CEC), base saturation, organic C, N total, total P2O5, total K2O,alumunium and hydrogen exchangeable and soil fertility status. The results of study showed that: (1)The further distance of soil from the position of Mentaya river bank there is an increase of organic C,total P2O5, total N, total K2O, pH, CEC, base saturation and soil fertility status, on the contraryshowed a decrease in alumunium and hydrogen exchangeable. The limiting factor of soil fertility ismainly the low base saturation, besides that at some point observation also due to low CEC, totalP2O5 and total K2O. (2) Sub soil layer (25 - 50) cm has a higher pH and base saturation valuescompared to topsoil layer (0 - 25) cm. In contrast, topsoil layer has CEC, alumunium and hydrogenexchangeable, total P2O5, total K2O, total N and organic C values higher than sub soil layer.Keywords: distance from river, tidal soil, soil chemical properties.

PERTUMBUHAN DAN HASIL RUMPUT Brachiaria humidicola YANG DIBERI PUPUK KANDANG AYAM DAN NPK PADA TANAH BERPASIR (Growth and Yield of grass Brachiaria humidicola given chicken manure and NPK fertilizer on sandy soil) Journal, Administrator
AgriPeat Vol 19 No 01 (2018): Vol 19 No 01 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 01 Maret 2018
Publisher : AgriPeat

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ABSTRACTThis study aims to determine the growth and yield of grass Brachiaria humidicola on sandy soil.The design used Randomized Block Design arranged in a factorial pattern consists of two factors.The first factor was dosage of chicken manure consisting of three levels of 0, 20 and 30 t ha-1 andthe second factor was the dosage of N-P-K fertilizer consisting of four levels ie 0, 125, 250 and 500kg ha-1. The results showed that the application of manure with doses of 30 t ha-1 of grassBrachiaria humidicola grew tended to be higher, and N-P-K fertilizer with doses of 500 kg ha-1number of tiller per real clump (49,50 tillers) tends to be higher (124,9 cm) N-P-K fertilizer withdosage of 500 kg ha-1, without manure obtained fresh plant weight grass Brachiaria humidicolahighest 5.807 g m-2Keywords: Brachiaria humidicola grass, manure and N-P-K, sandy soil

TANGGAPAN JARAK PAGAR (Jatropha curcas Linn) TERHADAP JENIS MEDIA TANAM DAN PUPUK KANDANG AYAM (Response Jatropha curcas On Types Of Plant Media And Chicken Fertilizer) Journal, Administrator
AgriPeat Vol 19 No 01 (2018): Vol 19 No 01 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 01 Maret 2018
Publisher : AgriPeat

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ABSTRACKThis study aims to : (1) to study the interaction between different planting media and the provisionof chicken fertilizer to the vegetative growth of Jatropha curcas, (2) to the effect of differentplanting media on vegetative growth of Jatropha curcas (3) to study the application of chickenfertilizer to vegetative growth of jatropha plant. The results showed that there was an interactionbetween planting media and the provision of chicken fertilizer. The applying of 20 t.ha-1 and peatsoil is the best treatment to enhance the plant height, the number of leaves and the diameter of thejatropha. Planting media hand a significant effect on plant height, leaf number and diameter ofjatropha. Peat soil treatment increased the growth of plant height (58.19 cm), leaf number (31.17strands) and stem diameter (2.06 cm) at age 12 WAP. chickens fertilizer affected plant height,number of leaves, stem diameter and number of branches. The treatment of 20 t.ha-1increased theplant height (62,89 cm), number of leaves (32,33 strands), number of branch (0,89) and stemdiameter (2,20 cm) at age 12 WAP.Keywords: Planting Media, Chicken Fertilizer, Jatropha Curcas.

PENGARUH KOMPOSISI BIOFERTILIZER CAIR TERHADAP PERTUMBUHAN TANAMAN KEDELAI DI LAHAN GAMBUT (The Effect of Liquid Biofertilizer Composition on Soybean Plant Growth in Peat Land) Journal, Administrator
AgriPeat Vol 19 No 01 (2018): Vol 19 No 01 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 01 Maret 2018
Publisher : AgriPeat

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ABSTRACThis study aims to find the most potent combination of local microorganisms as a liquidbiofertilizer on marginal land, such as peatland. The study used Completely Randomized Design onpeat soil media in polybags, with 8 (eight) treatments and 4 (four) replicates, namely liquidbiofertilizer composition comprising a group of local microorganisms: 1) KHY, 2) IBT, 3) KHY +IBT, 4) KHY + IGT, 5) IBT + IGT, 6) KHY + IBT + IGT, 7) EM4 (Control +), 8) Aquadest(Controls -). The variables observed were plant height, number of leaves, number of branches,number of flowers of soybean crop. The results showed that the composition of the liquidbiofertilizer EM4 gave the best results on the parameters of plant height, the number of leaves, thenumber of branches, and the amount of flowers on soybean plants tested in peat soil media. Thecombined composition of local microorganisms KHY + IBT + IGT containing bacterial populationsof phosphate solvent, nitrogen-fixing bacteria, and cellulitic fungi, are still in the same group asEM4 in the treatment of the number of leaves and the number of plant flowers, therefore thecomposition of these potential local microorganisms is developed to become a liquid biofertilizerKeywords: Liquid Biofertilizer, Soybean Growth, Peat Land

KAJIAN KONSENTRASI INOKULUM RAGI TERHADAP SIFAT KIMIA DAN BAKTERI ASAM LAKTAT TEMPE KACANG GUDE (Cajanus cajan, L) (Studi on Chemical Properties Yeast Inoculum Concentration and Lactid Acid Bacteria of Pigeonpea Tempeh) Journal, Administrator
AgriPeat Vol 19 No 01 (2018): Vol 19 No 01 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 01 Maret 2018
Publisher : AgriPeat

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ABSTRACTGenerally, tempeh is made from soybean, but low production of soybean in Indonesia bringing ongovernment have to import its. Soybean import 70% approximated from United State constitutetransgenic soybean which apprehensived have negative effect for health. Indonesia has so manylocal legume such as pigeon pea (Cajanus cajan (L.) Millsp.). That could be used as soy beansubstitute as raw material of tempeh. This study aimed to determine the effect of inoculumconcentration pigeonpea beans right to quality and chemical properties of lactid acid bacteriatempeh produced during the fermentation proces. It can be concluded that the inoculumconcentration of 2,50 g/kg of material, can increase levels of the amino nitrogen of 1,582 %, andcan inhibit the growth of lactid acid bacteria. It is also recommended for further research conducedon the long soaking, soaking place, and fermentation time is right to improve the quality ofpigeonpea beans tempeh produced.Keywords : Concentration of the inoculum, lactid acid bacteria, and tempeh pigeonpea

POTENSI SISTEM PERTANIAN ORGANIK DALAM KONSERVASI MUSUH ALAMI HAMA DAN SERANGGA NETRAL PADA TANAMAN SAYURAN DI LAHAN GAMBUT (Potency Of Organic Agricultural System In Conservation Of Natural Energy And Different Environment In Vegetable Plants In Grave La Journal, Administrator
AgriPeat Vol 19 No 01 (2018): Vol 19 No 01 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 01 Maret 2018
Publisher : AgriPeat

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ABSTRACKThe purpose of this research is to know the potential of organic farming in the conservation ofnatural enemies of important pests and neutral insects on the ecosystem of sweet corn and longbean vegetables in peatlands Kalampangan Urban Village Palangka Raya. The study wasconducted on an area of 210 m2, divided into 12 plots planted sweet corn and long beans withorganic and conventional treatment. Observations were made at 2-8 MST. Samples were takenusing sweep nets (for canopy arthropods), pitfall traps (for ground surface arthropods) and lighttraps (for nocturnal arthropods). The results showed: organic vegetables potentially developed inthe effort of conservation of natural enemies and neutral insects with indicators as follows: 1). Thenumber of insects found in organic and conventional plots consists of predators (84.11%),parasitoids (8.49%) and neutral insects (7.40%); 2). The predator species richness in organic longbean plants is higher than conventional (R = 2.711 and 1.811). The predominant predominance ofsweet corn and long bean organic plants is Gryllidae (C = 0.331), Formicidae (C = 0.465) andMiridae (C = 0.109); 3). The richness of parasitoids and neutral insects in organic sweet corn ishigher than conventional (R = 1,265 and 1,193). Types of parasitoids and neutral insectsdominating organic and conventional vegetables are Braconidae and Scarabaeidae with values0.444 and 0.423.Keywords: organic vegetables, natural enemies, neutral insects, pests, peat

KEHILANGAN NITROGEN PADA SISTEM USAHATANI JAGUNG MANIS DI LAHAN GAMBUT KALIMANTAN TENGAH (Nitrogen Lost on Sweet Corn Of Peatland Farming System in Central Kalimantan) Journal, Administrator
AgriPeat Vol 19 No 01 (2018): Vol 19 No 01 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 01 Maret 2018
Publisher : AgriPeat

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ABSTRACTApplication of fertilizer can increase nitrogen loss in agricultural land in the form of leaching andvolatilization. Research carried out on peat soil, done two times planting. First in the dry season totransition with nitrogen input from urea fertilizer, cow dung manure and from rainfall. Both areimplemented in the month of transition to the rainy season with nutrient input from nitrogen derivedfrom pearl NPK fertilizer, chicken manure and rainfall. Nitrogen washing is obtained frompercolation water which is accommodated by lysimeter. The volume of percolation water measuredat plant age 15, 30, 45 HST and at harvest, N content in laboratory analysis. The purpose of thisresearch is to know total nitrogen loss and efficiency level of sweet corn farming system inpeatland. Nitrogen washing in the first study was 2.28 kg N ha-1 or 2.49% and in the second studywas 8.95 kg N ha-1 or 13.65%. The other estimated loss of volatilization in the first study was 12.80Kg N ha-1 or 13.97% and in the second study it was 6.76 Kg N ha-1 or 10.31%. Average lossestimated volatilization of 9.78 kg N ha-1 or 12.45% Total nitrogen loss of 19.60%, so that sweetcorn farming system on peatlands in Kalampangan Urban Palangkaraya is classified as inefficientKeywords: Nitrogen, Sweet Corn, Peat Land

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