The forest inventory is basically a data collection activities. This activity is relatively important, because the effect on further activities. Hence the data collected must have a high enough accuracy. A way of determining the sampling unit is considered to be simpler, easier, and faster is the tree sampling method. The purpose of this study was to quantify the potential large stands of eucalyptus in the Forest of eucalyptus plants in the Faculty of Forestry and calculate the relative efficiency of sample unit. The total area is 0.11 ha of eucalyptus stands. Unit examples used are circular, 4-trees sampling, sampling 5 -trees, and 6-trees sampling is done by simple random sampling method. Potential stands of eucalyptus with method 4 sample trees have an average volume stands perplot is 0.096 m3, with the volume of the stand for the entire area is 111.09 m3 with a sampling error of 43.65%. Potential stands of eucalyptus trees by the method of example 5 has a volume average stocking each plot is 0.091 m3, with the volume of the stand for the entire area is 105.40 m3 with a sampling error of 51%. Potential stands of eucalyptus by using 6 sample trees have an average volume stands each plot was 0.08 m3, with the volume of the stand for the entire area is 92.83 m3 with a sampling error o f 54.77%. Potential stands of eucalyptus with a diameter circular sample plots of 12 m has an average volume stands each plot is 6,37 m3, with the volume of the stand for the entire area is 65.61 m3 with a sampling error of 22.63%.
This study aimed to get a dose of right inoculants Fusarium sp. and accelerate the creation of aloes. This research was conducted in test models of agro forestry plots and aloes-owned Balai Penelitian dan Teknologi Serat Tanaman Hutan (BPTSTH) Kuok that located in the village of Kembang Damai Districts of Pagaran Tapah Darussalam Rokan Hulu District. Held for 3 months from July to September 2013. The research method using a randomized block design with 5 treatments, namely in drill without being given inoculant fungi Fusarium sp. (Control), (P1), inoculant 0.5 cc / hole (P2), inoculant 1 cc / hole (P3), inoculant 1.5 cc / hole (P4), inoculant 2 cc / hole (P5). Each treatment was appli.ed in three (3) blocks, the first block to the treatment of Karas trees to plant oil palm on a spacing of 2 meters, block II spacing of 3 meters and a block III at spacing of 4 meters. After 3 months of observation of the extensive infection, discoloration and changes in the level of flavor very significant effect. A symptom o f the infection area formed on the aloe tree tends to spread vertically to follow the direction of the vascular tissue of the stem. To aloes Â± 6 years old should use a dose of 0.5 cc / borehole inoculant Fusarium sp.
Tropical rain forest is one type of forest ecosystem that dominated most of Sumatra areal. Arboretum of Faculty of forestry, Lancang Kuning University is the one of tropical rain forest which the environment becomes a place or habitat for living things. This study aims to describe the various of fungi Basidiomycota. This study was going on May â€“ June 2016. The making technique of data by exkplore an arboretum area to straight saw the fungi. The data collected were characteristic of fungi by morphology and detail pictue to indentification. The result shows that there are 25 species include in 12 families. Species that is Auricularia auricula, Schyzophylum commune, Ramariopsis kunzei, Agaricus crocopeplus, Lepiota sp, Lycoperdon Pyriforme, Crepidotus sp, Mycena incata, Mycena sp, Marasmieullus candidus, Marasmius andracaceus, Marasmius elegan, Marasmius sp1, Marasmius sp2, Collybia sp, Polyporus sp, Lignosus rhinocerus, Ganoderma aplanatum, Ganoderma sp, Fomitopsis cajanderi, Fomitopsis finicola, Grivola Frondosa, Grivola sp, Coltricia perennis dan Coltricia cinamomea. The number of fungi order were 5 (five) that could be Auriculateales, Aphylloporales, Agaricales, Polyporales and Hymenochaetales.
This study aims to determine the use of various fuels and value -added soybean industry users of firewood. Experimental research method is to determine the time and the volume of a variety of fuels . To obtain data on value -added soybean industry firewood users do method survey conducted to tempe entrepreneurs with purposive sampling method.Based on data from the fuel use of the most efficient cooking time to enter into the boiling water experiment is the same volume that is 2 liters of data is obtained using the gas. LPG has a high thermal energy by combustion fuel for 7 minutes with a volume of 0.054 kg of fuel chart . Then followed with the use of kerosene to take 10 minutes and liters of fuel for boiling water 0,01. Fire resulting from green kerosene a little sooty issued. Meanwhile, firewood and wood pellets takes 15 minutes with a volume of 2 kg of fuel.Value of the average profit businesses tempeh is Rp 290,000 per sack (50 kg), which according to tempe entrepreneurs already minimal profit because of the high price of soybeans is currently through the price of Rp 450,000 / sack . With the price of Rp 9.000/kg obtained soybean processing industry added value of Rp 9000/kg soybean tempeh, profit Rp7.500/kg soybean, margin Rp 11.000/kg soybeans, and other inputs Rp 2000/kg ( 18.18 %) were include wood fuel input of Rp 500/kg soybean or 4.5 %.
This study aimed to get a dose of manure and urea appropriate, as well as a good combination on the growth of seedling mahoni (S. macrophylla King). Research conducted an experiment using a completely randomized design (CRD) 2 factors, factors chicken manure (k) consists of four levels i.e. k0 (without manure), k1 (manure, 200 g / seeds), k2 (manure, 400 g / seed) and k3 (manure, 600 g / seed) and factor Urea (n) consists of four levels i.e. n0 (without urea), n1 (Urea 2.5 g / seeds), n2 (Urea 5 g / seed) and n3 (Urea 7.5 g / seeds), each replicated three times. Results of analysis of variance on a test level of 0.05 indicates that Manure significantly affected parameters plant height and number of lateral roots, while the stem diameter, number of leaves and length of main root effect is not real, the best treatment contained in k3 (manure 600 g / seed). Further provision of urea no real effect on all parameters was observed, while the combination of manure and urea real effect only on the parameters of the main root length and number of lateral roots is the best dose at 600 g / plant manure and 7.5 g / seedling urea. In parameter plant height, stem diameter and number of leaves no real effect.
Scarcity of agarwood trees in natural forests cause agarwood trade of all species be included Aquilaria malacensis into CITIES (Convention on International trade in Endangered Species of Wild Fauna and Flora) and limited exsport quota. Agarwood is a resinous wood and has the benefit of such ingredients as perfumes and medicines. High economic value of Eaglewood cause increased community interest for cultivation of Gaharu plants. This research was done in January to March 2015 in Pangkalan Baru, Siak Hulu subdistrict and Kuapan, Tambang subdistrict, Kampar district, Riau Province. The materials used were map, related research, camera , GPS, compass, altimeter, measuring tape, hagameter, talysheet, etc. Field of observations with searching information about cropping in cultivation of agarwood, identification of farmers and cropping patterns. Survey of agarwood tree conducted by purposive sampling method. Data obtained by making a plot with measuring 20 x 20 m plated on transect with sampling intensity by 20%. The results of research on cropping pattern was monoculture and multiculture. Multiculture was in the rubber plants. The age of agarwood trees in monokultur was 19 years old., whereas multiculture between 2-5 year. Potential agarwood trees in monocultural was 19 mÂ³ but multicultue can not be due to plant cause age>5 years.
This study aims to determine the potential of gaharu with agroforestry system in the village of Pulau Gadang and Koto Masjid Village. The research was conducted in Desa Gadang Village and Koto Masjid Village. The data collected is then analyzed descriptively. Based on the results of reseach conducted by gaharu plant species is Aquilaria malaccensis with the potential of the plant in the village of Pulau Gadang which is 7 years old as 70 trees, 8 years 920 stems and 9 years as many as 440 stems. Meanwhile, Koto Masjid Village is at the age of planting 7 years as many as 100 stems, 8 years as many as 300 stems and 9 years as many as 400 stems. The potential of gaharu plants in the community of Pulau Gadang Village with an average land area of â€‹â€‹1.09 Ha / farmer, the average number of gaharu-producing trees is 84.12 trees / farmers, and the average tree / Ha is 78.03 trees / Ha / farmers. While in Koto Masjid village with average land area is 1.2 Ha / farmer, average number of tree 145,45 trees / farmer, and average tree / Ha counted 68,67 tree / Ha / farmer.
Forest harvesting waste in the form of Ecalyptus pellita leaves can be utilized to be essential oil by distillation process. The research aimed to 1) to know the effect of duration of leaf storage on yield and quality of essential oil produced, 2). Comparing the quality of E.pellita leaves essential oil with eucalyptus oil according to SNI. Methods taken by taking E. pellita leaf waste were then stored for 1,2,3,4,5 and 6 days then steam distillation and measured rendemen, specific gravity, sineol content and refractive index. The average oil yield of E.Pellita is 0.15% with the highest yield of 0.4593% in leaves stored for 3 days. The best essential oil quality comes from leaves that have been stored for 3 days with specific gravity of 0.9186, 60% sineol content, refractive index 1.4603 and 80% alcohol solubility by 1: 1.
From the exploration results at Biosphere Reserve GSK-BB Riau in 2009 together with Tokyo University of Agriculture, found that Meranti Bakau (Shorea uliginosa Foxw.) has the potential to produce high bioethanol. So one needs to be developed is done vegetatively propagation through shoot cuttings. This study aims to obtain a dose of Rootone F and Media Planting appropriate for the growth and development of shoot cuttings. The method used is complete factorial randomized design that is first factor of dose of rootone F 1 g/l water, rootone F 2 g/l water and rootone F 3 g/l water. The second factor is the type of soil media: peat soil + sand 1: 1, peat + sand 2: 1 and peat + sand 3: 1. The results showed that the use of Rootone F and peat soil media and sand at various treatment doses can not give growth to the shoot cuttings of meranti bakau plants. The combination of Rootone F dosage and peat soil media and sand can not provide good growth in shoot cuttings.
Underground plants have an important role in soil and air conservation efforts, namely as a source of organic matter, preventing erosion, a source of germplasm and increasing air infiltration into the soil. This study aims to identify the types, diversity and use of understorey under stands of meranti, gaharu and mixed stands in the arboretum of the Kuok Forest Plant Fiber Technology Research and Development Institute (BP2TSTH). The data collection method used systematic sampling with a random start, with a sampling intensity of 5%. The number of plots observed for meranti, gaharu and mixed stands were 50, 25 and 25, respectively, with a plot size of 2 x 2 (m). In the stands were found 17 families of undergrowth consisting of 23 species and 10,338 individuals. In the agarwood stands there are 10 families of undergrowth consisting of 13 species and 9,696 individuals. In the agarwood stands there are 11 families with a diversity of 13 species and 10,328 individuals. Diversity Index and Evenness Index in meranti, gaharu and mixed stands respectively; 1.25 and 0.4; 0.72 and 0.28; 0.72 and 0.28. Paspalum conjugatum is a understorey species with the highest Importance Value Index (IVI) in the three stands.