scholarly journals PERTUMBUHAN TANAMAN KELAPA SAWIT DI LAHAN PASANG SURUT

2017 ◽  
Vol 4 (1) ◽  
pp. 95-105
Author(s):  
Winarna

Limitations of potential land for the palm oil industry in Indonesia led to the development ofmature oil palm plantations leads to marginal lands with various limiting factors. One ofthe marginal lands that could potentially as an alternative for palm oil development in the tidalwetlands. The potential of tidal land for oil palm cultivation is mainly related to the flattopography and water availability throughout the year to minimize the possibility ofwater deficit. However, there are some critical issues that become limiting for thedevelopment of oil palm plantations, which severely hampered drainage, high salinity,the potential content of pyrite, peat depth and maturity, as well as greater investment forinfrastructure development. Growth and productivity of oil palm trees in addition to tidalland affected by the improvement in the fertility rate are also influenced by watermanagement. The observation of vegetative ( leaf area ) of oil palm plantations age of 2years in a swamp area pitu ( pyrite 80-100 cm depth ) showed that the water managementin the water level of 20-40 cm had greater leaf area ( 2.93 m2 ) compared with watermanagement 0-20 cm ( 2.40 m2 ) and 40-60 cm ( 2.21 m2 ) below the ground surface.According to Winarna ( 2007), the productivity of oil palm plantations aged 10 years onacid sulfate soil in North Sumatra with water management and good pyrite can reach therange of 20-24 tonnes FFB /ha/year. The results of the observations made by Harahapand Siregar (2004 ) at the age of oil palm plantation in Betong Krawo 5-6 years ( depth of pyrite 50-100 cm ) with water management and pyrite are not maximized, which indicatesthat the low productivity range 10.86 - 12.70 tonnes FFB /ha/year.

2021 ◽  
pp. 91-98
Author(s):  
Fitrah Murgianto ◽  
Edyson Edyson ◽  
Adhy Ardiyanto ◽  
Shadiar Kesuma Putra ◽  
Lilik Prabowo

Harvesting fresh fruit bunches (FFB) is an important activity in the oil palm plantation industry. This study aimed to analyze the potential content of palm oil at the level of loose fruit that falls on the oil palm circle. Observations were made on five fresh fruit bunches with criteria 1, 3, and 5 respectively loose fruit per bunch that falls on the oil palm circle from oil palm trees that were 22, 16, 12, and 7 years old. All sample fresh fruit bunches were analyzed for potential oil to bunch and oil to wet mesocarp in the analytical laboratory of Bumitama Gunajaya Agro. Content of oil to wet mesocarp in loose fruit 1, 3, and 5 were 48,50 % b, 51,98 % a, and 53,21 % a respectively. While the content of oil to bunch in loose fruit 1, 3, and 5 were 24,19 % a, 25,52 % a, and 25,71 % a respectively. The highest potential for oil content occurs in ripe palm fruit with a level of loose fruit 5 grains per bunch that falls on that oil palm circle. Five grains per bunch on the oil palm circle can be used as an indicator for harvesters to harvest ripe fruit with optimal oil content.   


MATEMATIKA ◽  
2019 ◽  
Vol 35 (1) ◽  
pp. 95-104
Author(s):  
Mohd Ismail Abd Aziz ◽  
Noryanti Nasir ◽  
Akbar Banitalebi

Successful palm oil plantation should have high returns profit, clean and environmental friendly. Since oil palm trees have a long life and it takes years to be fully grown, controlling the felling rate of the palm oil trees is a fundamental challenge. It needs to be addressed in order to maximize oil production. However, a good arrangement of the felling palm oil trees may still affect the amount of carbon absorption. The objective of this study is to develop an optimal felling model of the palm oil plantation system taking into account both oil production and carbon absorption. The model facilitates in providing the optimal control of felling rate that results in maximizing both oil production and carbon absorption. With this aim, the model is formulated considering palm oil biomass, carbon absorption rate, oil production rate and the average prices of carbon and oil palm. A set of real data is used to estimate the parameters of the model and numerical simulation is conducted to highlight the application of the proposed model. The resulting parameter estimation is solved that leads to an optimal control of felling rate problem.


2020 ◽  
Vol 6 (4) ◽  
Author(s):  
Denny Irawati ◽  
Ganis Lukmandaru ◽  
Joko Sulistyo ◽  
Sigit Sunarta ◽  
Tomy Listyanto ◽  
...  

In order to meet the land requirements for housing construction of its employees, PT Semen Baturaja Tbk. (PTSB) opens approximately 27 ha of land which is estimated to have approximately 2700 less productive oil palm trees. The opening of the land will produce substantial palm biomass. One of the efforts to utilize palm oil biomass waste is by processing it into compost. Compost can be used for rehabilitation of ex-mine land by PTSB. So far, PTSB has no experience in the field of composting, therefore PTSB in collaboration with the Faculty of Forestry, Gadjah Mada University produces compost from waste palm oil biomass. The method used in this service activity is socialization, participatory composting, and mentoring in the field. The output of this activity is in the form of palm biomass compost and knowledge about the technology of the composting process for PTSB. The amount of compost that can be obtained from 8 oil palm leaf mounds is 248.9 tons while that of the oil palm stem is 1,236.6 tons. Compost fertilizer after composting for 2 months has a C/N ratio of 13.7. The cost for composting is Rp. 591,405,000, with a potential profit of Rp. 6,093,232,500, -. The impact of knowledge on composting is saving on spending on PTSB to buy fertilizer for land rehabilitation and handling the problem of biomass waste.


Author(s):  
Ali Sandy Hasibuan ◽  
Fitrawaty Fitrawaty ◽  
M. Fitri Rahmadana

This study aims to analyze the influence of the area of oil palm plantations, oil palm production, and the number of the agricultural sector workforce on the agricultural sector PDRB in North Sumatra province. The data used are secondary data sourced from BPS North Sumatra province, namely PDRB variable in the agricultural sector, area of oil palm, palm oil production and the number of agricultural sector workforce in North Sumatra province in time series from 2008 to.d. 2017 in five districts namely, Asahan, Langkat, Labuhanbatu Utara, Labuhanbatu Selatan and Labuhan Batu districts. Data analysis was performed using the OLS (Ordinary Least Square) method with a panel data regression estimation model using the help of Eviews 10. The results of this study simultaneously showed that changes in the independent variables of land area, production and the total workforce of the agricultural sector together influenced Agricultural Sector PDRB variable significantly. While partially concluded that the variable area of land and oil palm production had a positive and significant effect on the PDRB of the agricultural sector in North Sumatra province, while the variable labor force in the agricultural sector had a negative effect on the PDRB of the agricultural sector in North Sumatra province.


2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Mohd Razali Sheriza ◽  
Musa Fatin Nurul ◽  
Nuruddin Ahmad Ainuddin

AbstractOil palms are an important crop for Malaysia as the main crop cultivated from agricultural lands for economic purposes. The livelihood of small growers is, in fact, very dependent on that industry. The present study employs the application of remote sensing of higher resolution to assess the biophysical characteristics of oil palms stands for a plantation in Lenggeng, Negeri Sembilan, Malay Peninsula. Band combination with the use of natural, red, blue bands and red-edge spectrum was employed to obtain early information on the oil palm stands at the site. We subsequently employed fish eye camera to collect information on leaf area index at the field. The study also measured the height and diameter at breast height of all plots established in the site. Finally, correlation was performed to establish the relationships between height-to-leaf area index relations. Diameter at breast height measuring points was scattered at the upper part of the line that formed negative relationships (R2 = -0.0313). Height was positively associated with leaf area index, a bit weaker (R2 = 0.2323). Interpolation found plots at varying elevation level. Maximum height of the trees was recorded at the highest elevation in the site, presumably due to the higher solar radiation that enhances photosynthesis. Our study demonstrates the usefulness of the finding for implementation elsewhere in assessing the biophysical characteristics of oil palm trees. The study leads to further understanding of oil palms, specifically the biophysical characteristics associated with plant productivity assessment.


2018 ◽  
Vol 46 (1) ◽  
pp. 111 ◽  
Author(s):  
Edi Santosa ◽  
Indra Mario Stefano ◽  
Abdul Gani Gani Tarigan ◽  
Ade Wachjar ◽  
Sofyan Zaman ◽  
...  

<p align="center"><strong>ABSTRACT</strong></p>In a long life cycle of oil palm plantation, sustainable water management is mandatory because irrigation is rarely applied. In order to develop water management for sustainable palm oil production, tree-based water footprint of well-established oil palm plantation was assessed. Field data were collected from February to June 2016 in Dolok Ilir managed by PTPN IV, North Sumatera, Indonesia. Additional data were obtained from interviews on the site and the surrounding estates, reports and references. Results showed that water footprint (WF) for production of fresh fruit bunch (FFB) was 510.69 m3 tonne-1 and crude palm oil (CPO) was 517.79 m3 tonne-1. Green, blue and grey water contributed 94.78%, 0.71% and 4.50% in FFB, and 93.48%, 1.66% and 4.85% in CPO productions, respectively. All green WF was calculated basen on actual value of tree evapotranspiration, therefore, the value was mostly lower than other researchs. Low amount of blue water indicates that the oil palm tree in North Sumatera extracts low amount of ground water. On the other hand, grey water for pollution dilution of fertilizers, pesticides and herbicides were high, i.e., 15.15 m3, 4.77 m3, 3.07 m3 tonne-1 FFB, respectively. It implies that reduction of grey water should be implemented in the near future through precission farming.<br /><br />Keywords: CPO, Elaeis guineensis, precission farming, sustainable production, water footprint<br /><br /><br />


2021 ◽  
Vol 6 (1) ◽  
pp. 168-173
Author(s):  
Liana Dwi Sri Hastuti ◽  
Erman Munir ◽  
Rendra Syahputra Tanjung ◽  
Iradani Yupita Ningrum

Straw Mushroom (Volvariella volvaceae) as well asmushrooms edible otherhave been developed in Indonesia, including North Sumatra as a substitute for animal protein. Mushrooms or also known as button mushrooms are vegetables that are recognized to have high nutritional value, and are even believed to have medicinal properties for various types of diseases so that they have a fairly high selling value. Some studies report that in 100 grams of mushroom, only 0.17% fat is contained and even better, this fat is not bad fat. Seeing the high demand because of its nutritional value, and its rich content, its taste that is liked by many people, mushroom cultivation has a very promising market value. Basically until now the demand for mushroom continues to increase, but farmers have not been able to meet market needs. good quality start to be limited. Some farmers have started to switch to alternative planting media which is currently mostly practiced, namely oil palm pulp or empty palm oil bunches (TKKS). EFB is a waste that is very easy and is found mostly around palm oil processing factories, whose use has been limited so far as heating materials for boilers and particle wood, many empty bunches have not been utilized. This service aims to provide training in the form of mushroom cultivation using TKKS, as well as provide training in the form of post-harvest handling which is important given the lack of understanding of farmers in production and marketing activities.


2010 ◽  
Vol 1 (1) ◽  
pp. 11-15
Author(s):  
Mohamad Khairil Mohamad

Malaysia oil palm industry is the leading commodities and one of the major contributors to the Malaysia economic after oil and gas sector. Malaysia and Indonesia palm oil plantations are the major commodity producer with Malaysia currently being the world’s second-largest area of oil palm after Indonesia. Together these two countries account about 84% of total world production and 88% of global exports. With the increasing price and demands for the Crude Palm Oil (CPO) and with the 4.69 million hectares that were planted with oil palm trees, plantation industry and estate managers has to look into the most crucial factor that will decide the yield and quality of the CPO that is being sent to the mill. Typically, palm oil plantations include production areas requiring supporting infrastructure such as buildings, roads and services/management. When there is a better management of the roads in the estates, better Fresh fruit Bunch (FFB) and CPO quality will be sent to mill and processed. Road transport has a fundamental meaning for the sustainable agriculture. Poor quality and inadequate coverage of roads, lack of maintenance operations and outdated road maps continue to hinder economic development in the plantation. This work focuses on studying the present state of road infrastructure and its mapping in Felda Trolak Utara, Perak. The road infrastructure of the study area is studied by GPS and GIS based methodology. Data of road infrastructure characteristics were collected from GPS device and road infrastructure of the test sites then analyzed in GIS environment. The results of this study may be applied to road infrastructure mapping in oil palm plantation in general context, although with certain limits. In particular, the “noise” of road network occurred and need to rectify the topologies of the network.


2021 ◽  
Vol 888 (1) ◽  
pp. 012027
Author(s):  
S H Sitindaon ◽  
A R Hasyim ◽  
Khairiah ◽  
K E Ramija

Abstract The research was conducted to see the forage production, carry capacity and rotation cycle that was most suitable for grazing cattle in the ecosystem of oil palm plantations. The research was conducted at Tanah Itam Ulu Oil Palm Plantation, Tanah Itam Ulu Village, Lima Puluh District, North Sumatra from January-December 2017. The research used RCBD consisting of 3 x 3 with 3 replications. The first factor is the age of oil palm trees (6, 12 18 years), the second factor is the rotation cycle of forage (40, 50, 60 days). The parameters observed: forage production, cattle capacity, forage nutritional and botanical composition. The research results showed that forage production and carrying capacity had a significantly higher effect (P <0.05) with a harvest interval of 40 days at the location of juvenile oil palm, which was 11,962 kg dry matter /ha/year and carrying capacity was 1.31 AU/ha. Forage quality (protein, NDF and ADF) had no significant effect (P> 0.05). The dominant forage species appeared in almost all observation plots, namely Cyrtococcum and Axonopus. The results of the study concluded that oil palms of 12 years with a harvest rotation of 40 days provided the largest capacity for grazing beef cattle.


2020 ◽  
Vol 2 (3) ◽  
pp. 121-128
Author(s):  
Yogi Evand ◽  
Diana Chalil ◽  
Rahmanta Ginting

Palm oil is an important commodity for Indonesia. It is an export oriented commodity with the highest export income contribution. Initially, Indonesian palm oil plantations were developed by major companies and since 1986, smallholders have started to establish. In 2018, the share of smallholders has reached 42% of the total Indonesian oil palm plantation areas. However, unlike major companies, most smallholders’ lack capital. Unfortunately, oil palm smallholders are not in the priority list of subsidized fertilizer recipients. As a result, smallholders have an average productivity that is still lower than private and state company plantations, which are 585.3 ton/ha/year and 5828 ton/ha/year, respectively. This does not only influence smallholder income but also the Indonesian palm oil industry. Therefore, this study will analyze subsidized fertilizer distribution for oil palm smallholders in Air Batu Subdistrict, Asahan District, which are determined purposively as one of the oil palm smallholding centers in North Sumatera. Data were collected from 1 (one) staff of the Agriculture office in Asahan, 2 (two) extension agents, 4 (four) fertilizer shopkeepers, and 24 smallholders in Air Batu. The agriculture office staff and extension agents were selected by purposive sampling based on their knowledge and responsibility in the distribution of subsidized fertilizers while shopkeepers and smallholders were selected with snowball sampling technique. Aside from timeliness, the overall distribution of subsidized fertilizer in Air Batu, Asahan is relatively good. Internal factors are negative since weaknesses are more dominant than strengths, while external factors are positive, since opportunities are more dominant than threats. The Asahan Agriculture Staff have made some fundamental changes, namely improving the management system both internally and externally. Therefore, they can use their strengths to overcome their weaknesses and threats to utilize the available opportunities as well as possible.


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