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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Pusat Inovasi Masyarakat Indonesian Journal of Forestry Research
Sri Rahaju
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Agriculture, Biological Sciences & Forestry Social Sciences

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K ajian Perolehan Karbon sebagai Dampak Intervensi Sri Rahaju
Jurnal Manajemen Hutan Tropika Vol. 14 No. 3 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This study was carried out as one part of comprehensive research project aimed to increase sustainable management of forests and peatlands in Indonesia in order to increase the carbon sequestration capacity and community incomes.  The specific aim of the study was to  calculate  total value carbon gained as impact of various interventions in area of Ex-PLG Blok A, Mentangai, Central Kalimantan.  Estimation on carbon stock was conducted by Sample Plot of Measurement (PCP).  The interventions in this study was cannal blocking.  The study showed that activity of cannal blocking resulted in a positive impact, indicated by the present of reduction carbon rate (both above and below ground carbon), as well as carbon content by tree plantation (43,451 ha). Based on result of calculation, the amount of obtained above ground carbon stock was 14,448 ton C.  Carbon stock found in the tree plantation in surrounding the cannal was 0,777 ton C.  Below ground carbon stock was ranged between 550,782 ton C to 2,223,424 ton C. Total above ground and below ground carbon stock were 2,541,222.78 ton C or equal to 9,317,816.85 ton CO2.
Sekolah Adiwiyata sebagai Pengembangan Masyarakat Desa Kedewan dalam Meningkatkan Potensi Wilayah Riska Novitasari; Yuniati Fadilah; Sri Rahaju
Jurnal Pusat Inovasi Masyarakat (PIM) Vol. 2 No. 4 (2020): Juni 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Institut Pertanian Bogor

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Abstract

Environmental education is one of the initiatives to provide the school students with environmental awareness. Adiwiyata is a program which aims to create an environmentally friendly and cultured school. This program is conducted on the basis of three main principles, namely education, participation and sustainability. All school residents are expected to have the character and culture of the environment in daily activities, both at school and at home. To reach Adiwiyata School, every school must manage environmentally friendly supporting facilities. Greening the school environment is one form of adiwiyata activities in Kedewan Village. This activity was conducted at two locations namely SDN Kedewan 1 and SMPN 1 Kedewan. The purpose of this activity is to establish a fertile and beautiful family medicinal plant garden and to increase awareness of the school community regarding the benefits of family medicinal plants, as well as a form of development towards the Adiwiyata school. The tasks carried out in the form of seed and seedling planting are carried out together by the school community. Keywords: Environmental education, Planting activity, School community
Aplikasi Ekoenzim untuk Peningkatan Pertumbuhan Tanaman pada Sistem Agroforestri Jati di Desa Sugihwaras, Magetan, Jawa Timur Istomo; Rahaju, Sri; Hartoyo, Adisti Permatasari Putri
Jurnal Pusat Inovasi Masyarakat Vol. 5 No. 2 (2023): Oktober 2023
Publisher : Direktorat Pengembangan Masyarakat Agromaritim, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpim.5.2.168-182

Abstract

Tingginya jumlah populasi penduduk Indonesia menyebabkan meningkatnya limbah/sampah organik rumah tangga. Limbah organik tersebut mempunyai potensi untuk diolah menjadi ekoenzim yang dapat meningkatkan produktivitas tanaman. Saat ini sejumlah petani di Desa Sugihwaras, Kecamatan Maospati, Kabupaten Magetan, Jawa Timur memiliki keterbatasan dalam pemenuhan kebutuhan pupuk anorganik (NPK) untuk tanaman mereka. Tujuan dari kegiatan ini adalah memberikan pelatihan pembuatan ekoenzim, menganalisis perubahan pengetahuan mitra tentang pembuatan ekoenzim, serta menganalisis pengaruh aplikasi ekoenzim untuk peningkatan pertumbuhan tanaman pada sistem agroforestri jati (Tectona grandis). Kegiatan ini dilakukan pada Kelompok Tani Subur di Desa Sugihwaras, Kabupaten Magetan, Jawa Timur pada tahun 2022. Metode yang digunakan adalah demonstrasi pembuatan ekoenzim, pemberian pre-test dan post-test kepada 20 anggota kelompok tani, serta pengukuran secara langsung pertumbuhan diameter tanaman jati dan tinggi tanaman rumput gajah. Pelatihan pembuatan ekoenzim pada sistem agroforestri jati mampu meningkatkan pengetahuan Kelompok Tani Subur. Hal tersebut ditunjukkan oleh nilai rata-rata pre-test adalah 45,1 sedangkan nilai rata-rata post-test adalah 90,5. Berdasarkan evaluasi penilaian kegiatan pelatihan, sebanyak 74,3% anggota kelompok tani menyatakan sangat setuju bahwa pelatihan pembuatan ekoenzim sangat bermanfaat dan sesuai dengan kebutuhan kelompok tani. Berdasarkan evaluasi program, pelatihan pembuatan ekoenzim termasuk pada kategori sangat layak untuk diimplementasikan dengan nilai 94%. Pelatihan pembuatan ekoenzim kepada Kelompok Tani Subur terbukti mampu meningkatkan pengetahuan mitra, meningkatkan pertumbuhan diameter tanaman jati dan tinggi tanaman rumput gajah, serta berpotensi dalam peningkatan pendapatan masyarakat Desa Sugihwaras, Kabupaten Magetan, Jawa Timur.
Inovasi Teknik Penebangan terhadap Perubahan Pengetahuan dan Sikap dalam Praktik Pengelolaan Hutan Rakyat di Desa Karyasari, Kecamatan Leuwiliang Hardjanto, Hardjanto; Rahaju, Sri; Budiaman, Ahmad; Setiajiati, Fitta; Priyanto, Priyanto; Ilham, Qori Pebrial
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. 2 (2025): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.11.2.230-238

Abstract

Private forests cultivated using agroforestry systems have the potential to produce timber, non-timber forest products, and a variety of agricultural crops. However, such forests are still being managed in a traditional manner, both in terms of cultivation techniques and management. The Service activities of the Dosen Pulang Kampung Program specifically aimed to introduce an innovative tree felling technique called the sandat technique, which minimizes the risk of damage to understory vegetation. The method used in this program is service learning, which integrates academic learning with community service through training sessions (both theoretical and practical). The results show that community forest farmers and loggers have understood this technique, recognizing it as a newly introduced method that they find highly beneficial and are eager to adopt in their forest-management practices. Consequently, they expressed their intention to adopt it for managing community forests. This innovation has started to demonstrate increased knowledge, a shift in attitudes (towards adoption), and satisfaction with the program itself. The Sandat Technique is thus critical to becoming a policy in community forest management and should be disseminated by the forestry office/branch to community forest farmers for adoption in the future.
FORM FACTORS AND VOLUME MODELS FOR ESTIMATING TREE BOLE VOLUME OF MAHOGANY AT COMMUNITY FORESTS IN CENTRAL JAVA Tiryana, Tatang; Khasanah, Lailatul; Priyanto, Priyanto; Rahaju, Sri
Indonesian Journal of Forestry Research Vol. 8 No. 2 (2021): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2021.8.2.199-211

Abstract

Form factors and volume models are often be used in the estimation of tree volumes. However, a few studies have developed and evaluated the accuracy of form factors and volume models for estimating tree volumes of community forests. This study aimed to formulate form factors and volume models and assess their prediction accuracy for estimating tree bole volumes of mahogany at community forests in Central Java. This study used 120 sample trees with diameters of 6–38 cm to formulate artificial and absolute form factors and to develop tree bole volume models. These form factors coupled with bole height and total height were used in simple volume equations. Regression analyses were used to develop volume models using the diameter and total height as predictors. The simple volume equations and volume models' prediction accuracy was evaluated using a cross-validation dataset and independent dataset (30 sample trees). The artificial form factor (0.68 ± 0.11) of mahogany, which was higher than the absolute form factor (0.46 ± 0.09), provided accurate estimates of tree bole volumes when it was used with the bole height instead of the total height. The volume model that uses diameter and total height produced the most accurate estimates, while the volume model that uses diameter alone provided the most practical yet reliable tool for estimating tree bole volumes of mahogany. The results of this study are useful for improving community forest management.
Co-Authors Adisti Permatasari Putri Hartoyo Ahmad Budiaman Fitta Setiajiati Hardjanto Ilham, Qori Pebrial Istomo . Khasanah, Lailatul Priyanto Priyanto Riska Novitasari Tatang Tiryana Yuniati Fadilah