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Journal : International Journal of Science and Environment

Nira Production In Terms Of Slope Level In South Tapanuli District Erwin Harahap, Darmadi; Astuti Kuswardani, Retna; HS Siregar, Tumpal; Darwis, Muhammad
International Journal of Science and Environment (IJSE) Vol. 4 No. 4 (2024): November 2024
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v4i4.115

Abstract

South Tapanuli is located at an altitude of 0 to 1,985 m above sea level, where almost at all levels of this altitude we will find sugar palm plants growing wild. The purpose of this study was to evaluate the relationship between slope gradient and sugar palm plant productivity in South Tapanuli Regency. The research method used was the field survey method on sugar palm stands used as sample plants with various levels of slope gradient. Furthermore, the data obtained in the field were tabulated and processed using linear regression. The results of the study showed that the slope gradient was negatively correlated with sap production, meaning that the higher the slope gradient, the lower the sap production. The highest sap production was found at an altitude of 400 - 800 meters above sea level with a slope gradient of 8 - 15% with a sap production of 14.27 liters / day.
Co-Authors Abdul Rahman Abidah Ayu Ady Pratama, Ramadhan Aisar Novita alqindi, muhammad iqbal Aminuyati Azwana Azwana Azwana Azwana B. Sengli J. Damanik Bidasari bidasari bidasari, Bidasari Budi Hartono Butar-Butar, Alfons Dwi Putra Chairani Hanum Chairani Hanum Dadan Ramdan Dalimunthe, Arpan Darma Bakti Darma Bakti E. Harso Kardhinata Effendi, Ihsan Ellen Lumisar Panggabean Emmy Harso Kardhinata Endang Sari Simanullang Erianto Ongko Erwin Hasibuan ERWIN NYAK AKOEB Erwin Nyak Akoeb, Erwin Nyak Erwin Pane, Erwin Eryanto, Okto Eva Sriana Ferdiansyah, Yudi Firmansyah, Dimas Fitri Yanni Dewi Siregar Ginting, Dian Dominika br Ginting, Jordanta Ginting, Natal Haliatur Rahma, Haliatur Hanny Hafiar Harahap, Abdul Anas Harahap, Darmadi Erwin Hartono Hartono Hartono Hartono Hasanuddin Hasanuddin Hasibuan, Syahbuddin Hernosa, Siswa Panjang HS Siregar, Tumpal Ida Ayu Putu Sri Widnyani Ida Sari Siregar Ika Listiana Indah Apriliya Irawan, Maya Novita Sari Khahfi Zuhanda, Muhammad Lamria Sidauruk Lili Suryati Lubis, Susilawati M. Akbar Siregar Martini, Dewi Maya Novita Sari Irawan Mitra Musika Lubis Muhammad Darwis Muhammad Deaprama Aydra Muhammad Reza Aulia Muhammad Zen, Muhammad Napitupulu, Beatrix Sofranes Nasution, Jamilah Nasution, Lita Natal Ginting Nina Salmaniah Siregar Noer, Zulhery Nurhidayana Nurhidayana Nurhidayana, Nurhidayana Pradana, Mahardika Gama Puspita, Diah Eka Rahmad Fauzi Rahmad Syah, Rahmad Rahman, Sayuti Rahmanta Rahmanta, Rahmanta Ramadhana, Muhammad Bobby Raudha Anggraini Tarigan Saipul Sihotang Salqaura, Siti Sabrina Saragih, Bahdan Saragih, Magdalena Sartini Sartini Sarumaha, Agustinus Seca Gandaseca Sembiring, Arnes Seri Sekar Sari Setya, Rezki Tri Silvia Nora, Silvia Sina sina Sina sina, Sina Siregar, Agus Saputra Siregar, Awaluddin M Siregar, M. Akbar Siregar, Nina Salmaniah Siti Mardiana Situmorang, Sudiwan Sri Ariani Safitri Sri Milfayetty Surip Mawardi Suswati suswati suswati Syahbudin Hasibuan Taufik Siregar Trizelia . Tumpal H.S. Siregar Vajri, Indri Yanil Wijoyo, Hadi Wiwik Handayani Yabani, Yabani Yanil Vajri, Indri Yusniar Lubis Zahari Zen Zuhanda, M. Khahfi Zul Fadhly