Judul: The Development Analysis of Jelutung in Agroforestry System for Rehabilitation of Peatland Degradation at Central Kalimantan Province.
Abstrak: agroforestry system for the rehabilitation of the degraded peatland fulfilling technically applicable, socially acceptable by the local farmers, economically feasible and environmentally friendly. Primary data of this research were collected via interviews, observations, field visits and focus group discussion (FGD) involving all parties. The research results show that the development of jelutung in agroforestry system was technically applicable, socially acceptable, economically feasible and environmentally friendly for the rehabilitation of peatland degradation. There are 5 certified jelutung seed sources in Central Kalimantan Province that can produce about 126,920,000 seeds per years. The local people’s nursery can produce 1 – 3 million readily planted jelutung seedlings per years. In thin peatland there are 3 agroforestry systems that have already been developed by the local people. In thick peatland, there are 2 agroforestry systems that have already been developed by the local people. Jelutung growth performances on a variety of agroforestry systems show that the annual stem height increment reached 86.55 – 127.94 cm and stem diameter increased 1.56 – 2.15 cm. The analysis results on the social aspect show that in line with the superior non timber forest product criteria and indicators stated in Permenhut RI No. P.21/Menhut-II/2009 jelutung’s latex is categorized as a provincial superior NTFP with Superior Total Value (STV) of 72.62. The economic aspect shows that the marketing margin of jelutung latex is still inefficient as its value is > 50%. The financial analysis results show that jelutung forest is feasible to be developed both in the monocultural and agroforestry patterns. NPV, BCR and IRR of jelutung with agroforestry pattern were 69,799,338; 8.68 and 29% respectively. On the environmental aspect it is known that the diversity of peatland macro-fauna covered with jelutung agroforestry was greater than that covered with monoculture and abandoned land with Shannon Wiener index values of 1.8; 1.,2; 1.69 respectively for PSM method. The chemical analysis of peatland covered by jelutung agroforestry provides the following data: pH=3.94; N total = 0.4%; C organic = 48.58%; C/N = 121.45. The maturity level of peatland covered by jelutung agroforestry is sapric-hemic to hemic, that covered by monoculture is fibrous-hemic to sapric-hemic while the abandoned peatland is dominated by fibrous and fibrous-hemic. The microclimate of peatland covered by jelutung is better than the microclimate of that covered by monoculture or abandoned peatland
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Judul: Application of Microfertilizers for the Growth of Swamp Jelutong (Dyera polyphylla (Miq.) Steenis) and Rice (Oryza Sativa L.) on Peat Soil
Abstrak: Degradasi dan deforestasi lahan gambut memerlukan rehabilitasi melalui penanaman spesies adaptif dan aplikasi pupuk. Jelutung rawa (Dyera polyphylla) dan padi varietas Inpara-2 (Oryza sativa) merupakan tanaman adaptif di lahan gambut yang dapat digunakan dalam rehabilitasi. Microfertilizers berbasis limbah kelapa sawit memiliki potensi untuk memperbaiki unsur hara tanah. Tujuan dari penelitian ini adalah i) membuat formula microfertilizers berbasis limbah kelapa sawit, ii) menganalisis aplikasi microfertilizers terhadap unsur hara tanah gambut, dan iii) menganalisis aplikasi pupuk mikro terhadap pertumbuhan tanaman jelutung rawa dan padi di tanah gambut. Rancangan percobaan menggunakan Rancangan Acak Lengkap (RAL) dengan 1 faktor dan 3 ulangan. Faktor tersebut adalah jenis pupuk mikro yang terdiri dari mikro karbon teraktivasi (MT), mikro karbon tidak teraktivasi (MNT), mikro lignoselulosa (ML), mikro selulosa kristal (MK) dengan konsentrasi 1%, 3%, 5%, dan 7%. Terjadi peningkatan pH tanah gambut (pH 7,70- 7,80) dan kandungan NPK. Pemberian 7% MT menghasilkan pertumbuhan terbaik pada jelutung rawa, sedangkan pemberian 3% MNT menghasilkan pertumbuhan terbaik pada padi., Peatland degradation and deforestation require rehabilitation through adaptive species planting and fertilizer application. Swamp jelutung (Dyera polyphylla) and Inpara-2 variety paddy (Oryza sativa) are adaptive plants in the peatland that can be used in rehabilitation. Oil palm waste-based microfertilizers have the potency to improve soil nutrients. The objectives of this research were i) to make a formula for oil palm waste-based microfertilizers, ii) to analyze the application of microfertilizers to the peat soil nutrition, and iii) to analyze the application of microfertilizers to the growth of swamp jelutung and paddy in peat soil. The experimental design used a completely randomized design (CRD) with 1 factor and 3 replications. The factor was the type of microfertilizers consisted of activated micro-carbon (MT), non-activated micro-carbon (MNT), microlignocellulose (ML), Micro-crystalline cellulose (MK) with concentrations of 1%, 3%, 5%, and 7%. There was an increase in the pH of the peat soil (pH 7,70-7,80) and NPK content. The 7% MT resulted in the best growth in Swamp jelutung while 3% MNT resulted in the best growth in paddy.
Keyword: adaptive species, oil palm waste, peat, survival rate

Judul: Penyelesaian Numerik Persamaan Schrödinger untuk Molekul BaO dan SrO Menggunakan Model Potensial Morse
Abstrak: Morse potential is a potential model used to describe the behavior of a molecular vibration between atoms. This study aimed to obtain the value of the dissociation energy, the energy eigenvalues of each energy level, and describe the shape of the wave function of the molecule BaO and SrO on the vibrational state. Dissociation energy is calculated by adding the experimental dissociation energy and the ground state energy eigenvalues. Calculating the energy eigenvalues of the energy levels 0 to 4 using shooting method integrated with Numerov and Runge-Kutta method. Energy eigenvalues of each levels that calculated numerically having accuracy of 100% compared with the calculated analytically. The profil of wave functions accurately show the corresponding states and their normalized wavefunctions.
Keyword: SrO, Morse potential, energy eigenvalues, dissociation energy, BaO