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All Journal Jurnal Agrista Jurnal Floratek Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Jurnal Manajemen Sumberdaya Lahan AGRIVITA, Journal of Agricultural Science agriTECH Jurnal Agrotek Lestari Aceh International Journal of Science and Technology Journal of Economics, Entrepreneurship, Management Business and Accounting Jurnal Ilmiah Mahasiswa Pertanian Rona Teknik Pertanian AKSIOMA : Jurnal Sains Ekonomi dan Edukasi Horizon: Indonesian Journal of Multidisciplinary
Sufardi Sufardi
Program Studi Ilmu Tanah, Fakultas Pertanian, Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Limbah Tahu Untuk Memperbaiki Sifat Kimia dan Biologi Tanah Serta Hasil Tanaman Jagung Manis (Zea mays var. Saccharata sturt L.) Hidayani Hidayani; Sufardi Sufardi; Lukman Hakim
Jurnal Manajemen Sumberdaya Lahan Vol 4, No 1 (2015): Volume 4, Nomor 1, April 2015
Publisher : Program Studi Magister Konservasi Sumberdaya Lahan, Pascasarjana, Universitas Syiah Kuala

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Abstract: Tofu waste has not used optimally as organic matter to improve soil chemical and biological properties and also to increase the crop yields. This study aimed to determine the effect of utilization of type and optimum dose of tofu waste ( solid and liquid) on soil chemical and biological properties and yield of sweet corn (Zea mays var. saccharata Sturt L). The experiment was designed in a randomized block design (RBD) with single factor and three replications. The results showed that the combination of solid and liquid waste as much as 2.5 tons + 2500 liters per hectare of tofu waste provided the best effect on soil chemical properties. The type of solid waste with the dose of 20 tons per hectare of tofu waste showed the best effect on soil biological properties and sweet corn yields. The optimum dose was 29.2 tons per hectare of solid waste and 11.843 liters per hectare of liquid waste. Abstrak: Limbah tahu masih belum dimanfaatkan secara optimal sebagai bahan organik untuk memperbaiki sifat kimia dan biologi tanah serta meningkatkan hasil tanaman. Penelitian ini bertujuan untuk mengetahui pengaruh pemanfaatan jenis dan dosis optimum limbah tahu (limbah padat dan cair) yang paling baik pengaruhnya terhadap sifat kimia dan biologi tanah serta hasil tanaman jagung (Zea mays var. saccharata Sturt L). Percobaan ini disusun dalam Rancangan Acak Kelompok  (RAK) faktor tunggal dengan tiga ulangan. Hasil penelitian menunjukkan bahwa kombinasi jenis limbah tahu padat dan cair  sebanyak 2.5 ton + 2500 liter memberikan pengaruh yang paling baik terhadap sifat kimia tanah. Pada jenis limbah tahu padat dengan dosis 20 ton per hektar memberikan pengaruh yang paling baik terhadap sifat biologi dan hasil tanaman jagung. Dosis optimum limbah padat diperoleh 29.2 ton dan dosis optimum limbah cair diperoleh sebesar 11.843 liter.
Phosfat Tersedia, Serapannya Serta Pertumbuhan Jagung (Zea mays L.) Akibat Amelioran dan Mikoriza pada Andisol Karnilawati Karnilawati; Sufardi Sufardi; Syakur Syakur
Jurnal Manajemen Sumberdaya Lahan Vol 2, No 3 (2013): Volume 2, Nomor 3, Juni 2013
Publisher : Program Studi Magister Konservasi Sumberdaya Lahan, Pascasarjana, Universitas Syiah Kuala

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Effects of Ameliorant and Mycorrhiza on Soil Phosphate Availability, Phosphorus Uptake, Growth, and yield of Corn (Zea mays L.) in Andisol.Abstract. Andisol is soil with a very high P adsorption, whereas available P is very low. As low P availability, P becomes limiting to plant growth. This study was aimed at determining the effect of ameliorant and mycorrhiza application on availability of phosphate and growth and phosphorus uptake of corn in Andisol. Soil samples of Andisol were taken from Tunyang Village, Timang Gajah Sub District at 0-20 cm depth of typic hapludand. The experiment was carried out in pots and arranged in a randomized complete block design (RCBD) 4x2 factorial with 3 replications. The first factor was types of ameliorant, consisting of 4 levels, i.e. without ameliorant, manure, rice straw and Gliciridia leaves, each 20 t ha-1 or equivalent to 111 g per polybag. The second factor was mycorrhiza with 2 levels, i.e. without mycorrhiza and mycorrhiza 10 g per polybag. Results showed that various types of ameliorants affected soil pH, total P, available P (Bray 1), and index of soil P availability and improved growth, phosphorus uptake, and yield of corn. Mycorrhiza affected soil pH, plant height at 15 and 30 days after planting and mycorrhizal root infection, but did not affect soil P availability and yield of corn. There was no interaction between ameliorant and mycorrhiza. Types of ameliorant providing the best P availability and yield of corn were manure and Gliciridia leaves at dose of 20 t ha-1.Abstrak. Andisol merupakan tanah yang mempunyai jerapan P yang sangat tinggi sedangkan P tersedia sangat rendah. Ketersediaan P relatif rendah, P menjadi pembatas bagi pertumbuhan tanaman. Penelitian ini bertujuan untuk mengetahui pengaruh amelioran dan mikoriza terhadap ketersediaan fosfat dan pertumbuhan serta serapan fosfor tanaman jagung (Zea mays L.) pada Andisol. Sampel tanah ordo Andisol dari Desa Tunyang Kecamatan Timang Gajah Kabupaten Bener Meriah pada kedalaman 0 – 20 cm dari jenis typic hapludand. Penelitian ini dilaksanakan dengan menggunakan percobaan pot yang ditata menurut rancangan acak kelompok (RAK) faktorial 4x2 dengan 3 ulangan. Faktor pertama adalah jenis amelioran yang terdiri atas 4 taraf (jenis) yaitu tanpa amelioran, pemberian pupuk kandang, jerami padi dan daun gamal masing-masing sebanyak 20 ton ha-1 atau setara 111 g per polibag. Faktor kedua adalah aplikasi mikoriza dengan 2 taraf yaitu tanpa mikoriza dan pemberian mikoriza sebanyak 10 g per polibag. Hasil penelitian menunjukkan bahwa pemberian amelioran dari berbagai jenis berpengaruh terhadap pH tanah, P total, P tersedia (Bray 1) dan indek ketersediaan P tanah serta dapat meningkatkan pertumbuhan, serapan fosfor dan hasil tanaman jagung. Pemberian mikoriza berpengaruh terhadap pH tanah, tinggi tanaman 15, 30 HST dan infeksi akar bermikoriza, tetapi tidak berpengaruh terhadap ketesediaan P tanah dan hasil jagung. Tidak ada interaksi antara faktor jenis amelioran dengan faktor pemberian mikoriza. Jenis amelioran yang memberikan pengaruh terbaik terhadap ketersediaan P dan hasil jagung diperoleh pada pemberian pupuk kandang dan daun gamal dengan dosis 20 t ha-1. 
Kesuburan Tanah pada Sistem Budidaya Konvensional dan SRI di Kabupaten Aceh Besar Nurhasanah Nurhasanah; Sufardi Sufardi; Syakur Syakur
Jurnal Manajemen Sumberdaya Lahan Vol 1, No 2 (2012): Volume 1, Nomor 2, Desember 2012
Publisher : Program Studi Magister Konservasi Sumberdaya Lahan, Pascasarjana, Universitas Syiah Kuala

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Soil Fertility of Rice Land Management of Conventional Farming and SRI in Aceh Besar.Abstract: The purpose of this study was to assess the characteristics of wetland soil fertility levels in the conventional cultivation system and System of Rice Intensification. This research used descriptive and comparative surveys conducted by soil sampling in the field at two wetland sites under study. The results showed that the characteristics of soil chemical properties such as pH, C-organic, total N, the ratio C/N, available P, P2O5, K2O, Ca-exch, Mg-exch, K-exch, Na-exch, Cation Exchange Capacity and Base Saturation between conventional cultivation and System of Rice Intensification no different that the fertility status did not change significantly (p 0,05) except Al-exch is experiencing significant changes (p ≤ 0,05). Soil fertility levels in the conventional cultivation system and System of Rice Intensification nonsignificant.Abstrak: Tujuan penelitian adalah untuk mengkaji karakteristik tingkat kesuburan tanah sawah pada sistem budidaya konvensional dan System of Rice Intensification. Penelitian ini menggunakan metode survei dengan pendekatan deskriptif dan komparatif yang dilakukan dengan pengambilan contoh tanah di lapangan pada dua lokasi lahan sawah yang diteliti. Hasil penelitian menunjukkan bahwa karakteristik sifat-sifat kimia tanah seperti pH, C organik, N total, nisbah C/N, P tersedia, P2O5, K2O, Ca dd, Mg dd, K dd, Na dd, KTK dan KB antar budidaya konvensional dan System of Rice Intensification tidak berbeda sehingga status kesuburan juga tidak berbeda secara signifikan (p0,05) kecuali Al dd yang mengalami perubahan signifikan (p≤0,05), dengan lain perkataan tingkat kesuburan tanah pada sistem budidaya konvensional dan System of Rice Intensification secara keseluruhan tergolong sama.
Limbah Kopi, EM-4 dan Mikoriza Untuk Meningkatkan Kualitas Tanah dan Pertumbuhan Bibit Kopi Arabika Gayo-1 (Coffea arabica L.) Djodi Harcu Santoso; Sufardi Sufardi; Syakur Syakur
Jurnal Manajemen Sumberdaya Lahan Vol 3, No 1 (2014): Volume 3, Nomor 1, April 2014
Publisher : Program Studi Magister Konservasi Sumberdaya Lahan, Pascasarjana, Universitas Syiah Kuala

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Abstract :  The quality of seedling quality is an essential factor in the success of coffee replanting program. The research was aimed to study the effect of application of coffee waste, EM-4 and mycorrhiza to improve the quality of soil and seedling growth of Arabica coffee Gayo-1 in Aceh Tengah. The randomized block design was used in this experiment and consisted of three factors i.e. coffee waste (0 and 0,67 kg/polybag), EM-4 (0, 10 and 20 ml /liter of water) and mycorrhiza (0, 10 and 20 g/polybag). The result showed that the application of coffee waste, EM-4 and mycorrhiza affected the soil quality such as the increased soil pH, total-N, K-exch, Ca- exch, Mg- exch, CEC and the total of soil microorganisms and improve seedling growth of Arabica coffee Gayo-1. The interaction effect of coffee waste, EM-4 and of mycorrhiza application increased the soil chemical properties, the total of soil microorganisms and the seedling growth of Arabica coffee Gayo-1. The combination treatment of coffee waste, EM-4 and of mycorrhiza gave the best influence on soil chemical properties obtained on the application of coffee waste, EM-4 20 ml/litre water and mycorrhiza 20 g/polybag and the growth of seedling obtained on the application of coffee waste, EM-4 10 ml/litre water and mycorrhiza 10 g/polybag.  Abstrak : Bibit tanaman kopi yang berkualitas merupakan faktor yang sangat berperan dalam mensukseskan program peremajaan perkebunan kopi rakyat. Penelitian ini bertujuan untuk mengkaji pengaruh pemberian limbah kopi, EM-4 dan mikoriza serta interaksi antara limbah kopi, EM-4 dan mikoriza terhadap kualitas tanah dan pertumbuhan bibit kopi arabika Gayo-1 di Aceh Tengah.  Percobaan dilakukan di lapangan  dengan pola Rancangan Acak Kelompok yang terdiri dari 3 faktor perlakuan yaitu pemberian limbah kopi (0 dan 0,67 kg/polibag), EM-4 (0; 10 dan 20 ml/liter air) dan mikoriza (0; 10 dan 20 g/polibag). Hasil penelitian menunjukkan bahwa pemberian limbah kopi, EM-4 dan mikoriza dapat memperbaiki kualitas tanah pada media pembibitan yang ditunjukkan oleh meningkatnya  pH tanah, N-total,  K-dd, Ca-dd, Mg-dd, KTK dan total mikroorganisme tanah serta  memperbaiki kualitas dan meningkatkan pertumbuhan bibit kopi arabika Gayo-1.  Pemberian limbah kopi, EM-4 dan mikoriza pada media pembibitan memberikan pengaruh interaksi terhadap peningkatan beberapa sifat kimia tanah dan total mikroorganisme tanah serta pertumbuhan bibit kopi arabika Gayo-1.  Kombinasi pemberian limbah kopi, EM-4 dan mikoriza yang memberikan pengaruh terbaik terhadap sifat-sifat kimia tanah diperoleh pada pemberian limbah kopi, EM-4 20 ml/liter air dan mikoriza 20 g/polibag serta pertumbuhan  bibit kopi diperoleh pada pemberian limbah kopi, EM-4 10 ml/liter air dan mikoriza 10 g/polibag.
Perubahan Sifat Fisika Tanah dan Pertumbuhan Kopi Arabika (coffea arabica L.) Akibat Kompos Tithonia dan Kompos Kulit Gelondong Kopi di Kecamatan Kebayakan Kabupaten Aceh Tengah Hairunnas Hairunnas; Sufardi Sufardi; M. Rusli Alibasyah
Jurnal Manajemen Sumberdaya Lahan Vol 3, No 2 (2014): Volume 3, Nomor 2, Oktober 2014
Publisher : Program Studi Magister Konservasi Sumberdaya Lahan, Pascasarjana, Universitas Syiah Kuala

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Abstract: This study was aimed to assess the changes in soil physical properties and plant growth of coffee due to the application of Tithonia compost and Coffee bean skin compost. The research was conducted in the Paya Tumpi village, Kebayakan of Aceh Tengah District at the altitude of ± 1300 m above mean sea level. The factorial randomized block design was used in the experiment, consisted of two factors i.e: (1) Tithonia compost and (2) Coffee bean skin compost, and replicated three times.The results of this study showed that the application of Tithonia compost and Coffee bean skin composthad significant interaction effect on aggregate stability index and plant height. The single application of Tithonia compost had significant effect on soil bulk density, permeability, porosity, aggregate stability index, slow drainageporosity, rapid drainageporosity, water availableporosity,and plant height at the age of 11 and 14 months. The single application of  Coffee bean skin compost had significant effect on soil bulk density, permeability, porosity, aggregate stability index, slow drainageporosity,water availableporosity, plant height and leaves area at the age 11 and 14 months. The optimum dosage of Tithonia compost and coffee bean skin compost was 3.75 kg plant-1. Abstrak: Penelitian ini bertujuan untuk mengkaji perubahan beberapa sifat fisika tanah dan pertumbuhan tanaman kopi akibat pemberian kompos Tithonia dan kompos kulit kopi. Penelitian dilaksanakandi Desa Paya Tumpi Kecamatan Kebayakan Kabupaten Aceh Tengah dengan ketinggian tempat + 1300 m dpl.Percobaan dengan tiga ulangan, menggunakan rancangan acak kelompok (RAK) pola faktorial. Ada 2 faktor yang dicobakan yaitu kompos Tithonia dan kompos kulit kopi. Hasil penelitian menunjukkan bahwa pemberian kompos Tithonia dan kompos kulit kopi terdapat interaksi terhadap indeks stabilitas agregat dan tinggi tanaman. Faktor tunggal pemberian kompos Tithonia berpengaruh terhadapbobot isi, permeabilitas, porositas, indeks stabilitas agregat, pori drainase lambat, pori drainase cepat, pori air tersedia, tinggi tanaman pada umur 11, 12, 13, dan 14 bulan, dan terhadap luas daun pada umur 11 dan 14 bulan. Faktor tunggal pemberian kompos kulit kopi berpengaruh terhadap bobot isi, permeabilitas, porositas, indeks stabilitas agregat, pori drainase lambat, pori air tersedia, tinggi tanaman pada umur 11 dan 14 bulan, dan luas daun pada umur 11 dan 14 bulan. Pemberian kompos Tithonia dan kompos kulit kopi yang terbaik adalah dengan perlakuan 3,75 kg/tanaman.
Amelioran Organik dan Mikoriza Meningkatkan Status Fosfat Tanah dan Hasil Jagung pada Tanah Andisol Sufardi Sufardi; Syakur Syakur; Karnilawati Karnilawati
Jurnal Agrista Vol 17, No 1 (2013): Volume 17 Nomor 1 April 2013
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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ABSTRAK. Persoalan utama pada Andisol adalah tingginya kapasitas jerapan P tanah, sehingga tidak tersedia bagi tanaman. Penelitian ini bertujuan untuk mengetahui kemampuan amelioran organik dan mikoriza dalam meningkatkan status P tanah dan hasil jagung. Penelitian ini dilaksanakan dengan menggunakan percobaan pot yang ditata menurut rancangan acak kelompok (RAK) faktorial 4 x 2 dengan 3 ulangan. Faktor pertama adalah pemberian amelioran organik yang terdiri atas 4 taraf (jenis) yaitu tanpa amelioran, pupuk kandang, jerami padi dan daun gamal masing-masing sebanyak 20 ton ha-1 atau setara 111 g per polibag. Faktor kedua adalah aplikasi mikoriza dengan 2 taraf yaitu tanpa mikoriza dan pemberian mikoriza sebanyak 10 g per polibag. Hasil penelitian menunjukkan bahwa pemberian amelioran organik dan mikoriza berpengaruh terhadap pH tanah, P total (ekstrak HCl 25 %), P tersedia (Bray 1) dan indek ketersediaan P tanah serta dapat meningkatkan pertumbuhan dan hasil jagung. Kombinasi perlakuan yang memberikan  pengaruh terbaik terhadap status P dan pertumbuhan serta hasil jagung diperoleh pada pemberian pupuk kandang atau daun gamal yang dikombinasi dengan mikoriza. Organic Ameliorant and Mycorrhiza Increase Soil Phosphate Status and Maize Yield on AndisolABSTRACT. A common problem of Andisol soils is the high capacity for P adsorption, although total P content is relatively high. This characteristic causes inefficient use of P fertiliser, to the point that P deficiency can become a major constraint for crop production. This study aimed to determine the effect of organic ameliorants and mycorrhiza on the status of soil phosphate and yield of maize in Andisol.  The experiment was carried out in pots and arranged in a randomized complete block design (RCBD) 4x2 factorial with 3 replications. The first factor is the addition of organic ameliorant consisting of 4 treatments: without ameliorant, manure, rice straw and Gliciridea leaves. The dosage of each ameliorant is 20 ton ha-1 or equivalent to 111 g per polybag. The second factor is the application of mycorrhiza, consisting of 2 levels, no mycorrhiza and mycorrhiza  at 10 g per polybag. The results showed that the application of organic ameliorant and mycorrhiza  affected soil pH, total P (HCl 25% extractable P), available P (Bray 1), and the P availability index and increased the growth and yield of maize in Andisol. The two treatments that provided the most effect on the status of soil phosphate and plant growth and yield of maize were manure, and Glyricidea leaves, in combination with the addition of mycorrhiza.
SIFAT TANAH DAN AIR YANG TERPENGARUH TSUNAMI DI KECAMATAN LHOKNGA KABUPATEN ACEH BESAR Syakur Syakur; Hairul Basri; Sufardi Sufardi; Muhammad Hatta
Jurnal Floratek Vol 7, No 1 (2012)
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Lhoknga Sub District was one of regions experiencing earthquake and tsunami disaster occurred on 26 December 2004. The aims of the research were to evaluate soil characteristics, to study land suitability and to propose recommendation of land use and rehabilitation of the tsunami affected agricultural area in Lhoknga Sub District. The result showed that soil textures were varied from very coarse at the area near to the coastline to rather fine at the area far from the coast. The soil structures of topsoil was generally plate and blocky, while that of subsoil was generally massive. The quality of irrigation water in was still suitable for crops, the pH of water was neutral and low in salinity (0,4 mS cm-1). The water quality of wells was high (good) and water quality of drainage and surface water was low (rather bad). Water quality of wells was good enough, indicated by low water salinity (0,26-0,78 mS cm-1) and  low of SAR value. The recommendations for land reclamation were (1) cleaning and repairing of irrigation and drainage channel  (2) leaching of salinity in topsoil from soil profile by flooding method (basin irrigation) or furrow irrigation,  (3) constructing the ditches for cultivation in managing the excess of salinity, (4) establishing ditches for paddy, and (5) removing the sediment above the topsoil.
PERTUMBUHAN DAN HASIL BEBERAPA VARIETAS BAWANG MERAH (Allium ascalonicum L) PADA TANAH ALUVIAL AKIBAT PEMBERIAN BERBAGAI DOSIS PUPUK NPK Mehran Mehran; Ely Kesumawaty; Sufardi Sufardi
Jurnal Floratek Vol 11, No 2 (2016): Oktober 2016
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Alluvial soil had higher levels of organic matter and N-total were classified as very low that use of NPK fertilizer with an adequate dose is expected to improve the physical and chemical properties of soil and increase the yield of onion. Red onion (Allium ascalonicum L) is one of the horticultural crops that can be grown in alluvial soil. The research aims to determine the effect on the optimal dose of NPK fertilizer and productivity of onion on Alluvial soil. Field experiments conducted in Gardens Visitor Plot Institute for Agricultural Technology (BPTP) Banda Aceh, in February - Mai 2015. The experimental design used was a randomized block design (RBD) factorial 4 x 4 treatment and 3 replications. If there is highly significant or significant difference will be continued primarily to test BNT0,05%. The composition of the treatment is Pikatan (V1), Mentes (V2), Pancasona (V3) and Trisula (V4) and NPK Control, 200 kg h-1, 400 kg h-1 and 600 kg h-1. Results of bulb wet weight h-1 = 9,50 tonnes h-1) and dry tuber weight (7,33 tonnes h-1), but no significant effect on plant height and number of tillers 2 MST. The implications of this study tht the use of varieties Pancasona and NPK fertilizer dose of 600 kg h-1 can be applied to the alluvial soil.
Kesesuaian Lahan untuk Tanaman Hortikultura pada Areal Bekas Hutan Rawa Gambut di Kabupaten Nagan Raya Provinsi Aceh Khairil Anwar; Sufardi Sufardi; Helmi Helmi
Jurnal Floratek Vol 11, No 1 (2016): April 2016
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Land Suitability for Horticultural Crops on Areal of Ex-Peat Swamp Forest of Nagan Raya Districts, Aceh Province Abstract. The conversion of peat swamp forests into farmlands can potentially change the soil’s characteristics and morphology, which in turn will affect land suitability. This research was performed to assess the land suitability level for the development of horticultural crops in a former peat swamp forest area which covers an area of 2732,12 ha in Darul Makmur Sub-district, Nagan Raya Regency, Aceh Province. The research was conducted using the descriptive method through ground surveys and laboratory analyses. The land suitability for horticultural crops evaluation was accomplished using the FAO criteria, which is matching between the land criteria and growing requirements for each horticultural crop. The evaluated lands were grouped into five homogeneous land units (HLU). The results indicated that every former peat swamp forest that has been converted into farmland had a land suitability level of S3, wa (marginally suitable) for several horticultural crops, such as pineapples, melons, eggplants, tomatoes, spinaches, red chili peppers, cucumbers, long beans, and watermelons. The main limitation factors were high rainfall and nutrients retention. The results also showed that mustard greens and shallots had a land suitability level of N (not suitable) because of the high rainfall.
PENGGUNAAN GUANO DAN PUPUK NPK-MUTIARA UNTUK MEMPERBAIKI KUALITAS MEDIA SUBSOIL DAN PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) Mukhtaruddin Mukhtaruddin; Sufardi Sufardi; Ashabul Anhar
Jurnal Floratek Vol 9, No 2 (2014): Oktober 2014
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Utilization of subsoil as a growing medium for the nursery is a challenge to replace the role of topsoil as media for oil palm nurseries mainly on main nursery. This research was aimed at studying the effects of organic Guano and inorganic NPK fertilizer on oil palm seedling growth on sub soil growing media. The experiment was conducted in a pot, arranged in a randomized complete block design (RCBD), factorial 4x3  with 3 replicates. There were two factors examined, 1) guano dose  consisting of four levels, namely: 0 kg, 0.5 kg, 1.0 kg and 1.5 kg/polybags and 2) inorganic fertilizers NPK consisting of three levels, namely: 0, 15, and 30 g/polybags. The results showed that subsoil can be used for growing media with applications of fertilizer Guano and inorganic NPK fertilizer. Guano and NPK fertilizer affected several soil chemical properties, i.e. increase in soil pH, available total C and N and P, and cation exchange capacity (CEC) and affected growth of oil palm seedling at age 16 weeks after planting. The best combination for the best seedling growth was obtained at 1.5 kg Guano + 30 kg NPK.  
Co-Authors . Chairunas . Chairunas . Chairunas . Khairullah . Mawardiana . Sugianto . Zaitun A.A. Ketut Agung Cahyawan W Ade Fitriadi Agus Arip Munawar Ahmad Reza Kasuri Al Viaturrahmi Amda Resdiar Angriani, Reni Anischan Gani Anischan Gani Anischan Gani Ashabul Anhar Ashabul Anhar Asmi Susanti Astiti, Suci Putri Ayuni Winazira Bustami Bustami Cut Fajrina Cut Salbiah Darwin Effendi Devianti Devianti Devianti Devianti Diana Samira Diana Samira Djodi Harcu Santoso Edi Husen Edi Husen Elviwirda Elviwirda Ely Kesumawaty Emilia Emilia Fajar Rahmah Fajriana, Nur Ferdeanty Ferdeanty Hairul Basri Hairunnas Hairunnas Halidya, Nur Hasmariyanti, Hasmariyanti Helmi Helmi Helmi Helmi Helmi Helmi Herawati Latif Hidayani Hidayani Idris Idris Ikhwani Fitri Ilyas Ilyas Ilyas Ilyas Indah Permatasari Intan Apriani Irfan, Alfitha Putri Iwandikasyah Putra Karnilawati Karnilawati Karnilawati, Karnilawati Khairil Anwar Khairul Fahmi Khairul Fahmi Khairullah Khairullah Khairullah Khairullah Khairullah Khairullah Khairunnisa M Lukman Hakim M. Rusli Alibasyah M. Yunus Magfirah, Dhiya Malem McLeod Manfarizah Manfarizah Marzuki Marzuki Mawardiana Mawardiana Mehran Mehran Minarni Minarni Mudinillah, Adam Muhammad Amin Muhammad Fachruddin Muhammad Hatta Mukhtaruddin Mukhtaruddin Mukhtaruddin Mukhtaruddin Mulkan Kautsar Munawar Khalil Muyassir Muyassir Muyassir Muyassir Nanda Adatia Neni Marlina Nurfadillah Nurfadillah Nurhasanah Nurhasanah Peter Slavich Rauzatul Jannah Raziah Raziah Sahbudin Sahbudin Sahbudin Sahbudin Saiful Rahmat Syafruddin Syafruddin Syah, Sri Rahayu Syakur Syakur Syakur Syakur Syakur Syakur Syamaun A. Ali Syarifah Putri Mashtura T. Zada Nurnikmat Taufiq, Andi Muh Teti Arabia Teuku Alvisyahrin Yamsil Muhammad Yosi Widya Yolanda Yusnizar Yusnizar Yusnizar Yusnizar Yusri Yusri Zainabun Zainabun Zaitun Zaitun Zulfahrizal Zulfahrizal Zulfahrizal Zulfahrizal Zuraida Zuraida Zuraida Zuraida