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All Journal Jurnal Penelitian Agama BERITA BIOLOGI Journal of Primary Education Jurnal Tanah dan Iklim
Nur Wakhid
Balai Penelitian Pertanian Lahan Rawa
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Education

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STRATIFIKASI SIMPANAN KARBON DIATAS PERMUKAAN TANAH PADA LAHAN GAMBUT PASANG SURUT DAN LEBAK [The Stratification of Above Ground C-Stock in Tidal Peatland and Fresh Water Swampland] Zakiah, Siti Nur; Wakhid, Nur; Nursyamsi, Dedi
BERITA BIOLOGI Vol 16, No 3 (2017)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3546.052 KB) | DOI: 10.14203/beritabiologi.v16i3.2261

Abstract

The carbon stored in peatlands is huge not only from soil but also from vegetation. Carbon stocks can decrease when there are human activities such as land use changes. Measuring and monitoring carbon stocks are necessary as the basis for assessment of the impact of land management technology applications to conservation and carbon emissions associated with sustainable management system of peatland. The purpose of this study was to determine the stratification of above ground C-stock in tidal peatland and fresh water swampland. Above ground C-stock stratification based on the types of vegetation. The stratification was conducted to distinguish vegetation conditions based on the volume of biomass and carbon content in an observation plot. The measurement of above ground C-stock was carried out by destructive and non destructive refers to Hairiah K and Rahayu (2007), after that the estimation of carbon stockswas conducted on tidal peatland (land use rubber + pineapple, rubber folk and shrubs) and peat in fresh water swampland (land use rubber 4-5 years and 2-3 years). The results showed that the types of vegetation, plant density and management affect of carbon stocks. Carbon stocks in tree vegetation are higher than shrubs. The high of plant density affects the sunlight used for photosynthesis, through photosynthesis, CO2 is absorbed and converted by plants into organic carbon in the form of biomass. Arrangement and maintenance of the plant affects the storage of carbon in a land use.
Cooperative Learning dengan Pendekatan Metakognitif Bermuatan Muwashofat pada Pembelajaran Matematika Sekolah Islam Terpadu Wakhid, Nur; Kartono, Kartono; Zaenuri, Zaenuri
Journal of Primary Education Vol 6 No 2 (2017): August 2017
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (553.684 KB) | DOI: 10.15294/jpe.v6i2.17571

Abstract

Rendahnya kemampuan pemecahan masalah matematika siswa di antaranya dipengaruhi oleh kualitas perangkat pembelajaran yang digunakan guru saat di kelas. Penelitian ini bertujuan menghasilkan perangkat pembelajaran kooperatif STAD dengan pendekatan metakognitif bermuatan muwashofat untuk meningkatkan kemampuan pemecahan masalah matematika dan sikap itqon siswa sekolah dasar Islam terpadu yang valid, praktis, dan efektif. Penelitian pengembangan ini menggunakan modifikasi model 4D, dengan tahap define, design, dan develop. Perangkat pembelajaran meliputi silabus, rencana pelaksanaan pembelajaran, lembar kerja peserta didik, bahan ajar, dan tes kemampuan pemecahan masalah matematika. Hasil penelitian adalah: (1) hasil penilaian validator menunjukkan perangkat pembelajaran memenuhi kriteria valid; (2) hasil uji coba terbatas menunjukkan perangkat pembelajaran memenuhi kriteria praktis, yaitu: (a) keterlaksanaan perangkat pembelajaran baik; (b) respon peserta didik positif; (c) respon guru positif; (3) implementasi perangkat pembelajaran memenuhi kriteria efektif, yaitu: (a) hasil tes kemampuan pemecahan masalah mencapai ketuntasan minimal; (b) rata-rata kemampuan pemecahan masalah matematika kelas eksperimen lebih baik daripada kelas kontrol; (c) kemampuan pemecahan masalah matematika dan sikap itqon siswa meningkat. Berdasarkan hasil tersebut disimpulkan bahwa pengembangan perangkat pembelajaran kooperatif STAD dengan pendekatan metakognitif bermuatan muwashofat valid, praktis, dan efektif.Low ability of mathematical problem solving among students affected by the quality of learning devices that teachers use in the classroom. The purpose of this study to produce devices cooperative learning STAD with metacognitive approach contain of muwashofat to improve math problem-solving ability and attitudes itqon of students in Islamic elementary school valid, practical, and effective. The type of research is the development by a modification of the 4D model, with phase define, design, and develop. The learning devices consist of syllabus, lesson plan, worksheet students, texbooks, and math problem-solving ability test. This study results as follows: (1) assessment from the experts validation the mathematics learning devices are valid; (2) the data analysis of the experiment for the practicality criteria is practical, because it meets the following criteria: (a) implementation of learning device is very good; (b) the students response is positive, and (c) the teachers response is positive; (3) the results of qualified for the effectiveness criteria: (a) problem solving ability test results has achieved minimum criteria (b) the average math problem solving ability of students experimental class is better than the control class, and (c) there is an increase in math problem-solving ability and attitudes itqon. For this reason, it can be conclude that the development of learning devices cooperative learning STAD with metacognitive approach contain of muwashofat are valid, practical, and effective.
PETA KALENDER TANAM PADI LAHAN RAWA LEBAK DI KALIMANTAN SELATAN Wakhid, Nur; Syahbuddin, Haris; Khairullah, Izhar; Indrayati, Linda; Cahyana, Destika; Mawardi, Mawardi; Noor, Muhammad; Anwar, Khairil; Alwi, Muhammah; Hairani, Anna
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) Vol 39, No 1 (2015)
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v39n1.2015.41-50

Abstract

Abstrak. Perubahan iklim global telah menggeser awal dan akhir musim tanam yang berdampak negatif pada pola tanam dan produksi tanaman pangan di lahan rawa lebak Kalimantan Selatan. Penelitian ini bertujuan menyusun peta kalender tanam lahan rawa lebak pada tiga kejadian iklim, yaitu tahun kering, tahun normal, dan tahun basah. Pembuatan kalender tanam dilakukan dari Bulan Desember 2011 sampai bulan Desember 2012 menggunakan kombinasi analisis hubungan antara curah hujan dan genangan di lahan rawa lebak. Setelah diketahui prediksi curah hujan dan tinggi genangan di lahan lebak, selanjutnya dilakukan delineasi peta kalender tanam yang dikombinasikan dengan peta administrasi, peta agroklimat, peta lahan rawa lebak, dan peta sawah di lahan rawa lebak. Hasil penelitian menunjukkan bahwa dengan penggunaan kalender tanam ini, waktu tanam di lahan rawa lebak berpotensi ditingkatkan dari 1 kali menjadi 2 kali setahun. Kalender tanam ini sudah diverifikasi dengan data primer hasil survey dan wawancara petani. Hasil verifikasi menunjukkan bahwa musim tanam aktual dengan yang diprediksi dengan kalender tanam mempunyai pola waktu musim tanam yang mirip. Dengan demikian kalender tanam ini dapat dijadikan panduan dalam menentukan potensi waktu tanam padi lahan rawa lebak di Kalimantan Selatan. Abstract. The global climate change changes the onset and the end of planting seasons, which in turn influences the cropping pattern of freshwater swampland in South Kalimantan. This study was aimed at developing a cropping calendar map of fresh water swampland in three conditions of climate years, i.e. dry, normal, and wet years. The cropping calendar was developed from December, 2011 to December, 2012 by analyzing the relationship of the amount of rainfall and inundation data. Based on the rainfall and inundation data, the area was delineated by the cropping calendar combined overlayed with the administration map, agroclimatic map, fresh swampland map, and rice field map. This research showed that, by using this cropping calendar map, the planting time of the fresh water swampland can potentially be increased from once to twice per year. The cropping calendar map was verificated by using primary data from field survey and farmer questionare. This verification showed that the actual and predicted planting time have a similar pattern of planting time. We are confident that this cropping calendar map can be used as a guide for determining the potential planting time in fresh water swampland of South Kalimantan.
Tradisi Jamaahan Empat Puluh Hari Kajian Living Hadis Di Desa Jatipurus Kecamatan Poncowarno Kabupaten Kebumen Wakhid, Nur
Jurnal Penelitian Agama Vol 22 No 1 (2021)
Publisher : IAIN Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24090/jpa.v22i1.2021.pp21-47

Abstract

The tradition of forty-five-day congregation was developed by the creativity of religious figures in Jatipurus Village as a persuasive approach in order to promote the sharia of congregational prayer within the society. To support the arguments of that tradition, they combined the hadith encouraging forty-day congregational prayer with the hadith commanding to increase worship during the sacred months (glorified months). The practice of this congregational prayer was established in one of the sacred months, it was arranged from the 20th of Dzulhijjah to the 30th of Muharram. There was a strong correlation and combination between the charismatic religious figures and the hadith. It was proven by the enthusiastic involvement of Jatipurus society during the forty-five-day congregation that was arranged annually; as a sequence, it was recognized as a tradition. The fundamental part of that tradition was tasyakuran in which it was engaged in the activities of tahlil, religious talks, prayers, and then it was ended by having meals together. That tradition was investigated and analyzed by implementing Karl Mannheim’s theory on the sociology of knowledge. The concentration of this research was related to three aspects of meaning. The first, the objective meaning: it showed that the people of Jatipurus believed that the tradition of forty-five-day congregation was a legacy of their predecessors. The second, the expression meaning: the society who joined the congregation believed that by consistently performing the forty-five-day congregation could save them from two things: the torment of the fire and hypocrisy. Finally, the third, the documentary meaning: they did not realize the implied meaning of the tradition, in which the implementation of the forty-five-day congregation was an expression of a religious culture.
Co-Authors Alwi, Muhammah Anwar, Khairil Cahyana, Destika Dedi Nursyamsi Hairani, Anna Indrayati, Linda Kartono - Khairullah, Izhar Mawardi, Mawardi Noor, Muhammad syahbuddin, haris Zaenuri Mastur Zakiah, Siti Nur Zakiah, Siti Nur