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Mariani sembiring

Program Studi Agroteknologi, Fakultas Pertanian, USU, Padang Bulan, Medan- 20155, Indonesia.

Author-ID : 315614

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Social Sciences

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PENINGKATAN KETERSEDIAAN FOSFAT DAN PRODUKSI TANAMAN KENTANG (Solanum tuberosum L) DENGAN MENGGUNAKAN Talaromyces pinophilus INDIGENOUS DAN PUPUK SP36 PADA ANDISOL TERDAMPAK ERUPSI GUNUNG SINABUNG Mariani Sembiring; Deni Elfiati; Edi Sigit Sutarta
Jurnal Pertanian Tropik Vol. 2 No. 3 (2015): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Penelitian ini bertujuan untuk mengetahui pengaruh Jamur pelarut Fosfat, Dosis Pupuk P dan kombinasi jamur Pelarut Fosfat dan Dosis Pupuk P terhadap Pertumbuhan, P-tersedia dan produksi tanaman kentang (Solanum tuberosum L) pada Andisol terdampak erupsi Sinabung. Parameter yang diamati: Berat kering tanaman diukur pada akhir masa vegetatif, Produksi tanaman, Serapan P tanaman dan Analisa P tersedia tanah,dengan metode Bray II diukur pada akhir masa vegetatif. Hasil penelitian menunjukkan bahwa Kombinasi perlakuan Jamur pelarut fosfat (T. pinophilus )dan SP36 berpengaruh terhadap peningkatan P-tersedia pada perlakuan J1P2 yaitu sebesar 71.65% bila dibanding dengan kontrol walaupun secara statistik tidak berpengaruh nyata. Pada parameter serapan P tanaman aplikasi perlakuan T. pinophilus dan SP36 berpengaruh nyata dalam peningkatan serapan P tanaman, perlakuan yang terbaik adalah T3P2 tetapi menurun dengan peningkatan dosis SP36 (P3=13g). Berat kering tanaman perlakuan T3P2 yang terbaik dan menurun dengan meningkatnya dosis SP36 (13 g). Peningkatan produksi tanaman kentang yang tertinggi yaitu J2P1 dengan produksi sebesar 1017.5g sedangkan tanaman kontrol 610 g.Peningkatan produksi tanaman kentang yaitu sebesar 66.8% lebih tinggi bila dibanding dengan kontrol. Aplikasi T. pinophilus sebanyak 20 mL dan 6.5g SP36 memiliki produksi yang terbaik, produksi menurun dengan peningkatan dosis T. pinophilus dan pupuk SP36.

Deskripsi Makrofauna pada Tanah Andisol di Kabupaten Karo dengan Berbagai Ketebalan Abu Vulkanik Gunung Sinabung Armando Septian Simbolon; Mariani sembiring; Tengku Sabrina
Jurnal Pertanian Tropik Vol. 5 No. 1 (2018): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Changed soil conditions will result in the changed population and diversity in the soil. The eruption of Sinabung Mount caused the surface of the soil covered with volcanic ash with various thicknesses. This research was to study a description of macrofaunal communities at different thicknesses of Sinabung volcanic ash on andisol soil in Karo Regency. The experiment was conducted in May 2017. The experiment plot was located at four locations, location I was not covered by ash (0 cm), location II was covered with thin ash (≤2 cm), location III was covered with medium ash (2-8 cm), location IV was covered with thick ash (≥8 cm) using the transect sampling method. Samples was collected by using the Pitfall Trap, Monolith quadrant, and the Hand Sorting method. Macrofaunal communities found 3 phyla, 6 classes, 11 orders, 17 families, and 18 species at location I. Macrofaunal communities found 3 phyla, 7 classes, 11 orders, 16 families, and 17 species at location II. Macrofaunal communities found 2 phyla, 3 classes, 7 orders, 9 families, and 9 species at location III. Macrofaunal communities found 1 phylum, 2 classes, 5 orders, 7 families, and 7 species at location IV.

Application of phosphate solvent microbes and coffee skin compost to increase nutrient uptake of Robusta coffee plants in Andisols Mariani Sembiring; Benny Hidayat; Mukhlis Mukhlis; T. Sabrina
Jurnal Pertanian Tropik Vol. 6 No. 3 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Coffee plants need phosphorus nutrients for growth and fertilization in high quantities. Andisol has a verylow availability of P. Efforts that can be made to increase the availability of P are by utilizing phosphatesolvent microbes and coffee skin compost. The purpose of this study was to obtain the right type of microbialphosphate solvent and organic coffee skin ingredients in increasing the availability and growth of coffeeplants in Andisol affected by the eruption of Mt. Sinabung. This study used a factorial randomized blockdesign (RBD) consisting of 3 replications. Factor I: (Microbial Phosphate Solvents) M0 = Withoutapplication, M1 = Burkholderia cepacia, M2 = Talaromyces pinophilus, M3 = Burkholderia cepacia +Talaromyces pinophilus. Factor II Organic ingredients of coffee skin compost are K0 = without organicmatter, K1 = 75 g, K2 = 150 g, K3 = 225 g. The results of the study showed that B.cepacia + T.Pinophilus+ Mycorrhiza (M4) treatment can increase nutrient uptake of N, P and K of plants up to 12.3%, can increaseplant uptake of P up to 18.84%, increase uptake of plant K up to 19.53%. The treatment of 225g of coffeehusk compost (K3) can increase plant N nutrient uptake by 7.65%, plant P uptake to 26.11% and plant Kuptake up to 14.12%. M4K3 application can increase N uptake up to 53.28%, P uptake up to 98.56% andincrease K uptake of plants up to 56.45%. in general, the best treatment is M4K3.

Co-Authors Abdul Rauf Abdul Rauf Ade Ine Imansari Agustini, Fenny Alfredo Sitorus Alida Lubis Amos Simanungkalit Andi Andi Armando Septian Simbolon Armando Septian Simbolon Aslan Pasaribu Asmarlaili S. Hanafiah asmarlaili sahar hanafiah Beatrix I. L. J. Sinaga Benny Hidayat Benny Hidayat Bintang Sitorus Bintang Sitorus Budi Ananda Pratama Budianto, Rhiki Cynthia Simanjuntak Damanik, Revandy Damanik, Revandy I.M Danu Syahputra Lubis Deni Elfiati Deni Elfiati Edi Sigit Sutarta Edi Sigit Sutarta Eko Andreas Sihite Fauzi Fauzi Githa Noviana Guntoro Guntoro . Hardy Guchi Hendrik Dharmansyah Imam Ramadhan Intan Safitri Jamila Jamilah Jamilah Jamilah Jul Bahori Panggabean Julpan Lynneus Sitohang Lady Sarah M.M.B. Damanik Manullang, Yedija Mardiana Wahyuni Mardiana Wahyuni@gmail.com Marta Ritonga Meilissa Damayanti Lumban Gaol Muhammad Maulana Ghifari Muhammad Nazarul Yanis Muhammad Yusuf Dibisono Mukhlis Mukhlis Muklis Muklis Ni Komang Sri Lumbung Artha Wardani Nofriyanto Pakolo Nur Ulina Warnisyah S Sebayang, Nur Ulina Warnisyah S Posma Marbun Putra, P. A. S. Putu Oka Samirana rahmayanti rahmayanti Raja Forman Barasa Razali Ricky Elmando Saragih Ridwandi Ridwandi Rino P. C. Purba Rizky Dharmawan Margolang, Rizky Dharmawan Margolang, Ropikoh Hasibuan Sakiah Sakiah Sakiah Sakiah Sarifuddin Sarifuddin Sitohang, Julpan Lynneus Sitorus Sitorus Supriadi Supriadi Susianti Susianti Marbun T Sabrina T Sabrina T. Sabrina Tengku Sabrina Tengku Sabrina Tioner Purba Tosuko Utomo Triani, Agus vijay sitanggang Viky Fatmala Wahyuni, Mardiana Yaya Hasanah Yopie Priest Aulia Sinaga yudi sudarno sihombing Zoel Hani Hasibuan Zulkifli Nasution Zulkifli Nasution

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