Anas D. Susila
Faculty of Agriculture, Bogor Agricultural University, Jl Meranti Kampus IPB Darmaga, Bogor 16680, Indonesia

Published : 14 Documents

Found 14 Documents

Optimasi Dosis Pemupukan pada Budidaya Cabai (Capsicum annuum L.) Menggunakan Irigasi Tetes dan Mulsa Polyethylene Alviana, Vivit F.; Susila, Anas D.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 1 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Chili peper (Capsicum annuum L.) var. Prabu was grown with polyethylene mulched and drip irrigation system on Andosol Sukamantri soil with low pH (4.5), low C-Organic (1.79%), low N-total (0.18%), high K content (0.76 me/100 g), and very high soil P2O5 concentration (190 ppm) to optimise fertilizer rate for drip irrigated and polyethylene mulched crop management system. This research was conducted from March - July 2004 at Danasworo Hydrogarden Ciapus Bogor. This research was arranged in Randomized Completely Block Design with four levels of fertilizer rate (0=control; 1x recommendation rate =151 kg N/ha, 69 kg P2O5/ha, 120 kg K2O/ha; 2x recommendation rate = 302 kg N/ha, 138 kg P2O5/ha, 240 kg K2O/ha; 3x recommendation rate = 453 kg N/ha, 207 kg P2O5/ha, 360 kg K2O/ha). Hundred percent of P, 50% N and K were applied pre-plant and 50% N and K were fertigated 10 times. The result showed that plant height and plant dry weight increased linearly with fertilizer application from 0 to 3x recommendation rate. Total marketable yield was quadratically increased with fertilizer application from 0 to 3x recommendation rate. Base on total marketable yield, optimum recommendation rate for chili with drip and polyethylene mulch were 237.07 Kg N/ha, 108.33 Kg P2O5/ha, and 188.4 Kg K2O/ha.   Key words :  Chili, fertilizer, drip irrigation, polyethylene mulch, fertigation
Penentuan Kebutuhan Pupuk Kalium untuk Budidaya Tomat Menggunakan Irigasi Tetes dan Mulsa Polyethylene Amisnaipa, ,; Susila, Anas D.; Situmorang, Rykson; Purnomo, D. Wasgito
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 37, No 2 (2009): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Tomato var. Ratna was grown with polyethylene mulched and drip irrigation on Inceptisol Dramaga with very low soil K and organic matter during two seasons to K critical concentration, and potassium fertilizer requirement. Experiment used single location approach with three steps of activity.  The first experiment was established in 2004 to develope artificial soil K status by adding K: 0X (0), 1/4X (193.098), 1/2X (386.195), 3/4X (579.293) and X (772.39 kg K2O ha-1), where X was amount of K equal to 772.39 kg K2O ha-1 or 1287.32 kg KCl ha-1.  The second experiment was calibration K study, the experiment arranged in split plot design, with main plot was K status (form first experiment) and sub-plot was K aplication (0, 40, 80, 160, and 320 kg K2O ha-1) in 4 replicated.  Third experiment was optimation of K rate.  The result showed that interval of soil K availability extracted by Morgan Vanema was divided 5  classes,  they were  very low (< 58.25 ppm K), low (58.25-103.25 ppm K), medium (103.25-205.00 ppm K), high (=205 ppm K) and very high (>205.00 ppm K). Potassium recommendation for tomato on Inceptisol with drip irrigation and polyethylene mulch which has very low, low, medium, high and very high K content was 180.20, 131.30 and 82.25 kg K2O ha-1or equal to  300.33, 218.83, and 137.08 KCl ha-1 respectively.   Key words:  Fertilizer, Potassium, calibration,  Lycopersicon esculentum.
Application of Deep Sea Water (DSW) for Nutrient Supplement in Hydroponics Cultivation of Tomato : Effect of supplemented DSW at Different EC Levels on Fruit Properties Chadirin, Yudi; Matsuoka, Takahisa; Suhardiyanto, Herry; Susila, Anas D.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 35, No 2 (2007): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Deep sea water (DSW) has the potential characteristics for nutrient supplement in hydroponics cultivation. This experiment was carried out to evaluate the application of DSW as a nutrient supplement for tomato cultivation in hydroponics system. Tomatoes were grown on 4 beds in nutrient film technique (NFT) system circulated with 1.5 dS m-1(control), 10 dS m-1 15 dS m-1 and 20 dS m-1 of nutrient solution, respectively.  DSW was supplemented into nutrient solution of control to obtain high EC level. Fresh weight of fruits decreased varied from 10-20% by increasing DSW concentration in nutrient solution, but the effect of the treatment was not found on size of 3rd truss fruits.  The density of fruits increased as the DSW concentration increased in nutrient solution. Tomato stiffness of treated plants had almost the same value among EC levels although different among 3 trusses.  Fruit quality parameters increased by increasing the DSW concentration in nutrient solution. Treated plants circulated with EC 20 dS m-1 supplemented nutrient solution for 2 weeks produced tomatoes with highest soluble solids, 8.0% Brix or increased 30% of control (1st truss).  However there were no significant effect on fruits of 2nd and 3rd trusses.  DSW could be used as nutrient supplement for hydroponics cultivation of tomato.     Key words :   Deep sea water, fruit quality, electrical conductivity, tomato
Sulfur Source, Rate, and Methods of Application for Polyethylene-mulched Tomato Susila, Anas D.; Locascio, Salvadore J.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 33, No 1 (2005): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Tomato (Lycopersicon esculentum L.) was grown with polyethylene mulch and drip irrigation on a Millhopper fine sandy soil testing very high in P and low in organic matter during two seasons to evaluate the effect of S source, rate, and application methods on plant growth and yield of fruit.  Sulfur rate of 34 and 68 kg S.ha-1 were applied with  preplant (broadcast in the bed), drip (10 weekly drip application), and  by split applications (50% preplant and 50% drip).  In split applications, S sources evaluated were ammonium sulfate and ammonium thiosulfate.  Plant height was increased with S application from 0 to 68 kg S.ha-1 in both studies. However, response on plant dry weight only occurred in spring 1999. Total marketable yield was 17.9 tons.ha-1 with 0 kg S.ha-1 and was increased linearly to 48.1 tons.ha-1 with application of 68 kg S.ha-1 in Spring 1999, but no response to S was obtained in the Spring 1998 study. Measured variables were not affected by S source and methods of application.  Increasing S application from 0  to 68 kg S.ha-1 reduced leaf and plant tissue P concentration 14 and 12% at mid season, 26 and 25% at  late season sampling times, respectively.  S application of 68 kg S.ha-1 reduced soil pH approximately 0.3 unit at the end of the season in both studies.   Key  words:  drip irrigation, sulfur,  fertigation, Lycopersicon esculentum
Pengaruh Volume dan Jenis Media Tanam pada Pertumbuhan dan Hasil Tanaman Selada (Lactuca sativa) dalam Teknologi Hidroponik Sistem Terapung Susila, Anas D.; Koerniawati, Yuni
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 32, No 3 (2004): Buletin Agronomi
Publisher : Bogor Agricultural University

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The objective of this study was to find out the effect of volume and source of growth media and lettuce growth and yield in Deep Pool Growing System (DPGS). The study was conducted from September to December 2003 at Deep Pool Growing System facility, Danasworo Hydro - Garden Ciapus, Bogor. The Study was arranged in randomized completely block design with two factors. First factor was volume of growth media ( 20 cm³ and 110 cm³). The second factor was source of growth media (synthetic foam, cocodust, rice-husk + OSF and rice-husk + cocodust). Medium volume of  20 cm³ with rockwool was used as a check. Nutrient compotion of the solution was as follows (ppm): Ca 117, Mg 24, K 210, NH4 25, NO3 233, SO4 113, and PO4 60, Fe 2.14, B 1.2, Zn 0.26, Cu 0.048, Mn 0.18, and Mo 0.046. Medium volume of 20 cm³ with synthetic foam obtained the best yield for all parameters. Therefore, this treatment could replace rockwool as medium for lettuce production in DPGS.   Key words : Deep Pool Growing System, hydroponics, growth medium
KNO 3 Application Affect Growth and Production of Amorphophallus muelleri Blume Santosa, Edi; Halimah, Siti; Susila, Anas D.; Lonto, Adolf P.; Mine, Yoko; Sugiyama, Nobuo
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 41, No 3 (2013): JURNAL AGRONOMI INDONESIA
Publisher : Bogor Agricultural University

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ABSTRAKPemberian larutan KNO3 diduga dapat meningkatkan produktivitas tanaman iles-iles (Amorphophallus muelleriBlume). Penelitian bertujuan mempelajari pengaruh pemberian larutan KNO terhadap produktivitas A. muelleri. Umbiutuh umur satu tahun dengan bobot 100-125 g ditanam dalam polibag yang ditempatkan di bawah naungan paranet 50%pada musim hujan (September 2010-April 2011) di Bogor, Indonesia. Lima taraf larutan KNO3 yaitu 0, 2, 4, 6 dan 8% (b/v)diberikan melalui daun dan melalui tanah. Larutan diberikan 2 kali sebulan mulai 12 minggu setelah tanam (MST). Hasilmenunjukkan bahwa pemberian KNO3-13 nyata mempengaruhi pertumbuhan tanaman, khususnya meningkatkan jumlah daundan memperpanjang masa vegetatif. Pemberian KNO pada taraf 4% memberikan pengaruh tertinggi jika diberikan melaluidaun. Pemberian KNO33 taraf 4% memberikan pertumbuhan yang lebih tinggi jika diberikan melalui daun dibandingkanmelalui tanah. Secara umum, tidak ada pengaruh nyata pada pertumbuhan tanaman akibat pemberian dosis KNO yangdiberikan melalui tanah. Penelitian berimplikasi bahwa pemberian pupuk KNO melalui daun pada taraf 4% dapatditingkatkan efektivitasnya jika kerusakan pada anak daun dapat diminimalkan. Kerusakan daun cenderung meningkat padadaun tua, oleh karena itu, studi lanjut perlu dilakukan terkait waktu aplikasi yang tepat.Kata kunci: iles-iles, kalium nitrat, pupuk daun, pertumbuhan vegetatif
Rekomendasi Pemupukan Fosfor pada Budidaya Caisin (Brassica rapa L. cv. caisin) di Tanah Andosol Faranso, Donatila; Susila, Anas D.
Jurnal Hortikultura Indonesia Vol 6, No 3 (2015): Jurnal Hortikultura Indonesia
Publisher : Perhimpunan Hortikultura Indonesia dan Departemen Agronomi dan Hortiluktura

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ABSTRACTThis study was conducted to determine optimum phosphorus fertilizer application in Andosols soil, at the Pasir Sarongge, IPB Experimental Farm, Cianjur from April to May 2014. This research was arranged in split plot design with main plot five soil P status, namely X (1856.3 kg.ha-1 P2O5), 3/4 X (1392.225 kg.ha-1 P2O5), 1/2 X (928.15 kg.ha-1 P2O5), 1/4 X (464.076 kg.ha-1 P2O5) and 0 X (0 kg.ha-1 P2O5) and subplot five P fertilizer rates, namely (1856.3 kg.ha-1 P2O5), 3/4 X (1392.225 kg.ha-1 P2O5), 1/2 X (928.15 kg.ha-1 P2O5), 1/4 X (464.076 kg.ha-1 P2O5) and 0 X (0 kg.ha-1 P2O5), where X = 1856.346 kg.ha-1 P2O5 or 5156 kg.ha-1 SP-36, in which P was needed to achieve the highest levels of P in Pasir Sarongge Andosol. Rate of N and K were applied at 200 kg.ha-1 of Urea (45% N) and 100 kg.ha-1 KCl (60% K2O) respectively. The results showed that the soil nutrient Pwas able to enhance the growth and yield of caisin, whereas P fertilization treatment did not give significant effect on caisin growth and yield in the medium P content (Bray extractant) of Pasir Sarongge Andosols. The percentage of plants affected by mace root disease was 11.90%. It may influence the effectiveness of P fertilization. The P fertilizer rate recommendations in the Pasir Sarongge Andosol could not be determinedKeywords: fertilizer, P soils, vegetables, rateABSTRAKPenelitian ini dilakukan untuk menentukan dosis optimum pemupukan fosfor pada tanah Andosol. Penelitian dilakukan di Kebun Percobaan IPB Pasir Sarongge Cianjur mulai April hingga Mei 2014. Percobaan disusun rancangan Split Plot. Petak utama (main plot) adalah status hara P tanah yang diinkubasikan dari terdiri atas lima, 3/4 X (1392.225 kg.ha-1 P2O5), 1/2 X (928.15 kg.ha-1 P2O5), 1/4 X (464.076 kg.ha-1 P2O5) dan 0 X (0 kg.ha-1 P2O5), dimana X (1856.3 kg.ha-1 P2O5), Anak Petak (sub plot) adalah dosis pemupukan P yang terdiri atas lima taraf, yaitu X (1856.3 kg.ha-1 P2O5), 3/4 X (1392.225 kg.ha-1 P2O5), 1/2 X (928.15 kg.ha-1 P2O5), 1/4 X (464.076 kg.ha-1 P2O5) dan0 X (0 kg.ha-1 P2O5) dengan X = 1856.346 kg.ha-1 P2O5 atau 5156 kg.ha-1 SP-36, yaitu P yang dibutuhkan untuk mencapai kadar P sangat tinggi pada tanah Andosol Pasir Sarongge. Dosis N dan K yang digunakan adalah 200 kg kg.ha-1 Urea (45% N) dan 100 kg.ha-1 KCl (60% K2O). Status hara awal hara P tanah berpengaruh sangat nyata terhadap pertumbuhan dan hasil tanaman caisin. Namun demikian, perlakuan pemupukan P tidak memberikan pengaruh yang nyata terhadap pertumbuhan dan hasil tanaman caisin pada tingkat kesuburan P tanah sedang menurut pengekstrak Bray. Serangan penyakit akar gada kemungkinan dapat menjadi penyebab pemupukan tidak berpengaruh pada tanaman. Persentase jumlah tanaman yang terserang penyakit akar gada adalah 11.90%. Dosis rekomendasi pemupukan P untuk tanaman caisin di kebun Percobaan Pasir Sarongge belum dapat ditentukan.Kata kunci: pupuk, P tanah, sayuran, dosis
Budidaya Bawang Merah (Allium ascalonicum L.) pada Lahan Kering Menggunakan Irigasi Sprinkler pada berbagai Volume dan Frekuensi Fauziah, Rahmi; Susila, Anas D.; Sulistyono, Eko
Jurnal Hortikultura Indonesia Vol 7, No 1 (2016): Jurnal Hortikultura Indonesia
Publisher : Perhimpunan Hortikultura Indonesia dan Departemen Agronomi dan Hortiluktura

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ABSTRACTShallot is one of important commodity besides chili and potatoes. Shallot is cultivated on dry land. The dry land used in Indonesia is still relatively small, while the potential of this area is considered large for the development of agriculture. Pressurized irrigation system has the advantage of efficient use of water making it suitable to be applied on dry land. The study consisted of two experiments, the effect of irrigation volume and frequency of irrigation influence on the growth of shallot. The research was conducted at the Experimental Station Teaching Farm and Postharvest Laboratory Department of Agronomy and Horticulture, Bogor Agricultural University from October 2014 to April 2015. The research consisted of two experiments by using a Randomized Block Design with four replications. The treatment in the first experiment was percentage of the volume of irrigation water consisting of five levels (S100% ETc, S75% ETc, S50% ETc, S25% ETc (with sprinkler) and 100% ETc conventional (without sprinkler). The treatment in the second experiment was frequency of irrigation consisting of four levels (two times a day, once a day, once in two days one and once in three days). Results of the first experiment showed the plants could growand produced up to S25% ETc or 81.17% water available for evapotranspiration, but the best treatment was S100% ETc volume irrigation, based on yields. Watering with sprinkler irrigation provided better effect than manual watering which was usually done by farmers. The second eperiment showed that the best watering frequency for vegetative growth was once a day while for total yield was twice a day.Key words: dryland, irrigation, shallot, sprinkler, total yield, vegetative growth,ABSTRAKBawang merah salah satu komoditas unggulan nasional selain cabai dan kentang. Budidaya bawang merah umumnya dilakukan pada lahan kering dan membutuhkan irigasi. Sistem irigasi bertekanan memiliki keunggulan dalam efisiensi penggunaan air sehingga cocok untuk diterapkanpada lahan kering. Penelitian terdiri atas dua percobaan, yaitu pengaruh volume irigasi dan pengaruh frekuensi irigasi terhadap pertumbuhan dan produksi bawang merah. Penelitian ini dilaksanakan di Kebun Percobaan Teaching Farm dan Laboratorium Pascapanen Departemen Agronomi danHortikultura, Institut Pertanian Bogor dari Oktober 2014 sampai April 2015. Penelitian terdiri atas dua percobaan menggunakan Rancangan Acak Kelompok dengan empat ulangan. Perlakuan pada percobaan 1 adalah persentase volume air irigasi terdiri atas 5 taraf (S100% ETc, S75% ETc, S50% ETc, S25% ETc (dengan sprinkler) dan konvensional 100% ETc (tanpa sprinkler), sedangkan perlakuan pada percobaan 2 adalah frekuensi irigasi terdiri atas 4 taraf yaitu dua kali sehari, satu kali sehari, dua hari sekali, tiga hari sekali. Hasil percobaan menunjukkan tanaman masih dapat tumbuh dan berproduksi sampai volume irigasi S25% ETc atau 81.17% air tesedia sudah dievapotranspirasikan oleh tanaman, tetapi perlakuan terbaik ialah volume irigasi S100% ETc berdasarkan bobot panen total. Penyiraman dengan irigasi sprinkler memberikan efek yang sama bahkan lebih baik dibanding penyiraman secara manual yang biasa dilakukan oleh petani. Frekuensi penyiraman terbaik untuk pertumbuhan vegetatif adalah satu kali sehari sementara untuk bobot panen total adalah dua kali sehari.Kata kunci: bawang merah, hasil total, irigasi, lahan kering, pertumbuhan vegetatif, sprinkler
The Determination of Phosphor Status in Leaf Tissues to Make a Fertilizer Recommendation and Predict Mangosteen Yield Kurniadinata, Odit F.; Poerwanto, Roedhy; Susila, Anas D.
Journal of Tropical Horticulture Vol 1, No 1 (2018): October 2018
Publisher : Indonesian Society for Horticulture (Perhimpunan Hortikultura Indonesia Komisariat Aceh)

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Mangosteen (GarciniamangostanaL.) knows as one of the most delicious fruit in the word, it’s call as “Queen of fruits”. The problems in mangosteen culture are low productivity and low fruit quality due to less developed technical culture, especially on fertilizer. There is a little information available on mangosteen fertilizer recommendation standards based on scientific experiment.Phosphor fertilizer increased growth especially in the generative stage of mangosteen. Phosphor increases the number of flowers and fruits set. It also decreases the number of flowers and fruits drop, with a linear response. It indicates mangosteen trees absorb phosphor to increase the vegetative growth and support production. Fertilizers increase phosphor concentrations in leaf tissues. Leaf tissues analyses showed the status of phosphor status, This status has a correlation to the yield. The higher the nutrients concentration in the leaf tissues, the higher the mangosteens yield in the next harvest
Peningkatan Pertumbuhan dan Hasil Tanaman Gedi (Abelmoschus manihot (L.) Medik.) melalui Aplikasi Pupuk Organik dan Pupuk Anorganik Wibowo, Rahmat Hadi; Susila, Anas D.; Kartika, Juang Gema
Buletin Agrohorti Vol 3, No 2 (2015): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

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Penelitian ini bertujuan untuk mempelajari pengaruh penambahan pupuk organik dan pupuk anorganik terhadap pertumbuhan dan produksi gedi (Abelmoschus manihot (L) Medik.). Penelitian ini dilakukan pada bulan Februari sampai dengan Agustus 2011 di Unit Lapang Cikabayan, Institut Pertanian Bogor, Indonesia. Bahan tanam merupakan stek gedi yang berasal dari Sorong, Papua Barat. Rancangan yang digunakan dalam penelitian adalah Rancangan Acak Kelompok Teracak (RKLT) dengan satu faktor perlakuan yaitu dosis pupuk. Terdapat delapan taraf pupuk yang dicobakan 0, 20, 40, 60 ton.ha?1 pupuk organik dan 0, 20, 40, 60 ton.ha?1 pupuk organik + NPK. Pupuk organik yang dipakai adalah pupuk kandang ayam dan pupuk anorganik yang dipakai adalah NPK 15-15-15. Hasil penelitian menunjukkan pupuk organik dengan dosis 30.39-34.04 ton.ha?1 akan memberikan hasil yang optimum. Dosis pupuk optimum pupuk organik + NPK belum dapat ditentukan. Namun, penambahan pupuk NPK pada pemupukan organik dapat meningkatkan hasil panen tanaman.