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RESPON BEBERAPA VARIETAS PADI GOGO (Oryza sativa L.) ASAL KABUPATEN BENGKALIS TERHADAP BEBERAPA TAKARAN PEMUPUKAN N, P DAN K Siti Norkhalimah; Idwar '; Sri Yoseva
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 2, No 1 (2015): Wisuda February 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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The objective of this research was to determine the response of Bengkalis local rice to N, P and K fertilizer. The research was conducted in screen house, experiment garden Faculty of Agriculture, University of Riau, Pekanbaru. The research conducted 7 months start from June 2013 until January 2014. The research conducted experiments using completely randomized design (CRD) consist of 2 factors and 3 replications. Least Significant Different (LSD) used for mean separations. First factor was varieties of Dara, Kulit Manis and Inpago 5, the second factor was N, P and K fertilizer. The result showed that the variety of Dara was significantly affected in are panicle emergence time, time of harvest, panicle length, weight of 100 seeds and percentage of seeds parameters. Variety of Kulit Manis was significantly affected in seed weight of panicle and weight of dried plant parameters. Variety of Inpago 5 was significantly affected in seed weight of panicle, seed weight of group and weight of dried plant parameters. There are 3 varieties, Inpago 5 showed higher production and better than varieties of local rice. Dara variety can further develop as a good local. Key words: fertilizer of N, P and K, productivity, responses, varieties of upland rice
Pengaruh Komposisi Kompos Tkks, Abu Boiler dan Trichoderma Terhadap Pertanaman Kedelai Pada Sela Tegakan Kelapa Sawit Yang Telah Menghasilkan di Lahan Gambut Ricki Arianci; Nelvia '; Idwar '
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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This research aims to obtain doses of the empty palm bunches of compost and ash of the boiler optimum for growth of soybean plant interposed in oil palm already produce in peat. This research conducted by using draft experimentally random group comprising nine of treatment and three of deut so acquired twenty seven units of the plot experiment. On the first of the plot unit experiment there were twenty plants and taken a sample of plants as many as five plant of the population of the plot at random to observation. Parameters used in this research is tall plant (cm), how many branches primary (strands), age flowering (day), the number pods, the number pods pithy, heavy dry 100 seeds of gram (g) and heavy dry of plot (g). The results showed that the high parameter, the number of primary branches of plants, flowering age, number of pods of pithy and dry weight of 100 seeds showed a different result is outcome real. However, on the parameter the number of pods and heavy dry of plot show a different outcome real. The best treatment in this research is treatment H ( 1,45 kg bunches of empty oil palm + 145 g ashes of the boilers + 2.9 g Trichoderma) of a plot that tends to increase high in plant, speed up the age of flowering, increase the number of pods and dry weight of the soybean plant. Key word : Empty Palm Bunches of Compost, Soybean, Peat Soil, Boiler, Trichoderma
PENGARUH AMELIORAN DALAM MENGEFISIENKAN PENGGUNAAN PUPUK P PADA TANAMAN PADI GOGO (Oryza sativa L.) VARIETAS SITU BAGENDIT DI TANAH ULTISOL Nadiya Pirhat; Idwar '; Arnis En Yulia
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 2, No 2 (2015): Wisuda Oktober 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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The research intent to know ameliorant influence to efficient using of P fertilizers and the best recommanded for growth and production of upland rice (Oryza sativa L.) Situ Bagendit variety on ultisol. Research conducted in UPT area of research farm in faculty of agriculture, Riau University on Bina Widya Campus Km 12,5 sub-district of Simpang Baru, district of Tampan, Pekanbaru from December 2014 until Mei 2015. This research arranged experimentally by using Completely Randomized Design which consist of 9 treatments and then obtained 27 experimental units with 3 sample each unit. Parameter observed rate of P, efficient of P absorption, efficient of production gram of grain rice, ameliorant influence in the efficient to absorp P fertilizer, ameliorant influence in the efficient to product of grain rice, plant height, productive tiller number, panicle length, the percentage of pithy grain, 1000 seed weight, dry of grain weight/family and dry plant of weight. Data were analyzed statistically using ANOVA and followed by HSD at level of 5%. The result showed that giving ameliorant be BFA 12,5 g, green manure of krinyuh 12,5 g and green manure of krinyuh 12,5 g + BFA 12,5 g can give the best result in rate of P, efficient of P absorption, efficient of production gram of grain rice, ameliorant influence in the efficient to absorp P fertilizer, productive tiller number, plant height, dry of grain weight/family and dry plant of weight.   Keywords : ameliorant, P fertilizer, upland rice, ultisol.
PEMBERIAN ENDAPAN EFFLUENT LAND APPLICATION PABRIK KELAPA SAWIT PADA MEDIA PMK DI PEMBIBITAN UTAMA KELAPA SAWIT (Elaeis guinensis Jacq.) Basuki '; Sukemi Indra Saputra; Idwar '
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 2, No 1 (2015): Wisuda February 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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The research aims to determine the effect of effluent land application on PMK media and determine the good deposition of effluent land application dose on the growth of oil palm seeds in main nursery. The design used in this research was Completely Randomized Design (CRD) with giving effluent deposition application consist of 6 treatments that A0 (Without effluent deposition application), A1 (dose of 0,5 kg/plant), A2 (dose 1,0 kg/plant), A3 (dose of 1,5 kg/plant), A4 (dose of 2,0 kg/plant) and A5 (dose of 2,5 kg/plant). Parameters measured were the increase of plant height, number of leaves, leaf length, stump diameter and leaf area. Data obtained were analyzed using analysis of variance, then further tested using Honestly Significant Difference (HSD) at 5% level. Results of research shows giving the deposition effluent application for PMK planting media significantly effected on all parameters measured of oil palm seeds with the better treatment was dose of 2,0 kg/plant.   Keywords: effluent land application, ultisol, oil palm.
Penilaian Kerusakan Tanah Pada Produksi Biomassa Perkebunan Di Kecamatan Kuala Cenaku Kabupaten Indragiri Hulu Candra Richardo Saragih; Besri Nasrul; Idwar '
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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This research aims to identify the damage of the soil as well as evaluating the extent of soils damage due to the production of biomass plantations. This research was conducted using survey methods. The result shows that based on evaluation on plantation of biomass production which is as a result of forest conversion, founded there are same soil chemical and  physical are changing. The physical soil changes on plantation area are moisture content that  increasing 1.2%, decrease of water content 18.1% on sub group haplosaprists soil, increaseing of weight 0,19 g/cm3 on sub group endoaquents land, decrease of weight to 0.02 g/cm3 on haplosaprists soil sub group, the increase in the value of specific gravity 0.36 g/cm3 soil sub group on endoaquents heavy type of value, decrease ofland sub group haplosaprists 0.27 g/cm3, the decline in the value of the total pore space is 1.65 % on the land sub group endoaquents and 2.1 % on the land sub group haplosaprists. Chemical changes on plantations are decreasing of pH soils 2.1 on the sub group haplosaprists land, a decrease of DHL value 1.79 dS/m on the sub group endoaquents land, an increase of 0.36 dS/m on the sub group haplosaprists land,  redox value of soil on the 25.5 mV on the sub group haplosaprists land. Biological properties of the soil changes on the plantation include the increasing amount of soil microbes 2.6 cfu/g on the sub group endoaquents soil and 2.1 cfu/g on sub group at haplosaprists soil.
PEMBERIAN PUPUK KALIUM PADA SISTEM TUMPANG SARI TANAMAN JAHE DAN JAGUNG DENGAN JARAK TANAM YANG BERBEDA Idwar '; Husna Yetti; Herman '; Fitriani Karlita
Jurnal Sagu Vol 9, No 2 (2010)
Publisher : Universitas Riau

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Abstract

This research aimed to know the dose of pota«ium Tertilizer, phnt spacing and sawdust ash toincrease production of ginger and com planted at multiple cropping system. TMs research was conducted byCompletely Randomized Btocii Design (RAK) factorial consisted of 2 facton and 3 replications. The researchstarted on April and fmisbed on Augnst 2<m. The first factor was potaasinm fcrtlizcr with dose ofO kg KCVha, iOO kg KCI/ha, 200 kg KCI/ba, and 300 kg KCI/ha. The second factor was different plant spacmg ofginger crop which were 25 i3S cm, 30140 cm, and 35 x 45 cm. Every treatment and replication was 2 x 2 m.Parameters observed were height of ginger crop and corn crop, relative growth rate of ginger and corn,number of ginger crop, wet weight of ^nger crop, dry weight of ginger crop, the timeflowersappear of corn,dry grain weight of com crop, and weight of 100 com grains. The result of linear analysb of variant wascontinued by Duncan New Multi|rie Range Test (DNMRT) at 5 level Researchrasnhindicated that application%of potassium fertilizer with dose of 100 kg/ha and 25 x 3S cm of ginger crop spacing represented the besttreatmen t to increase production of ginger and application of potassium fertSizer with dose of300 kg/ha and30 X 40 cm, 35 x 45 cm represented (he best treatments to increase production of corn.
RESPON PADI IR64 TERHADAP PEMBERIAN Zn DENGAN PENGATURAN JADWAL TANAM DI LAHAN PASANG SURUT Tri Anditasari; Ardian &#039;; Idwar &#039;
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 3, No 1 (2016): Wisuda Februari 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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In rice cultivation in tidal land are inundated land constraints. Under conditions of stagnant nutrient zinc is not available and the seedlings will experience stress submerged. This research aimed to evaluate the response of paddy ups and downs against the granting of multiple doses of zinc and setting planting schedule. The experiment was conducted in Teluk Sungkai, Kuala Cenaku in September 2014 - January 2015. The experiment was arranged in completely randomized factorial design with two factors and three replications. The first factor is the dose of zinc: 30 kg ZnSO4/ha, 40 kg ZnSO4/ha, and 50 kg ZnSO4/ha. The second factor is planting schedule: 5 days after the large tidal, 10 days after the large tidal, and 15 days after the large tidal. Based on this research the best dosage of zinc is 40 kg ZnSO4/ha and schedule 15 days after the large tidal better than the other planting schedule for paddy’s growth and production.   Keywords: rice, zinc, land tidal
EFFECT FERTILIZER N, P DAN K ON SOME VARIETIES OF UPLAND RICE (Oryza sativa L.) FROM KUANTAN SINGINGI DISTRICT BEING PLANTED THE INCEPTISOL SOIL Rina Fitri; Idwar &#039;; Sri Yoseva
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 2, No 1 (2015): Wisuda February 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Rice plants (Oryza sativa L.) is important food crops in Indonesia to boost production of upland rice crop nutrients needed in sufficient quantities especially N, P dan K. This research aims is to determine where the rice varieties that give effect to N, P and K fertilizer. This research was conducted in screen house of Agriculture Faculty at Riau University, Pekanbaru. This research take 7 months start from August 2013 till February 2014. This research was performed experimentally using a Completely Randomized Design (CRD) consist of 2 factor,  tested by LSD 5% level. The first factor is the upland rice varieties cosisting of varieties Santan, varieties Pulau Petai and vvarieties Inpago 5 and second factor N, P dan K fertilizer. The results showed the granting of a wide measure of fertilizer N, P dan K are not real movers shakers of all parameters, except for the amount of grain panicle effect is real and varieties pulau petai give relatively higher results when viewed from the result. Grating a rate of fertilizer (Urea 0,38 g, SP-36 0,34 g, KCl 0,15 g/clumps) on inpago varieties can increase the height of the plant, tillers maxsimum number, number of productive tillers and the amount of grain panicle. While granting a measure (Urea 0,75 g, SP-36 0,68 g, KCl 0,3 g/clumps) increased panicle emergence time, percentage pithy grain per panicle, grain weight clumps dan weight of 1000 filled grain. Keywords: fertilizer N, P and K, the local varieties of upland rice, yielding varieties.
Pertumbuhan Tanaman Padi Fase Vegetatif Dan Akumulasi Logam Berat Pada Jaringan Tanaman Padi Varietas Payo Besar dan Inpari 12 Di Lahan Gambut Yang Diberi Amelioran Dregs Nia Surani Silaban; Nelvia &#039;; Idwar &#039;
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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ABSTRACT The aims of the research were to study the effect of the application of ameliorant dregs in peatlands on the growth of rice and Pb, Ni, Cr and Se contents of shoot rice. The research was conducted on peatlands in Tanjung Air Hitam village, Kerumutan district, Pelalawan-Riau, from Agust 2012 to April 2013. The experiment used Split Plot Design and three replications, varieties of rice (Payo Besar and Inpari 12) as main plot and ameliorant of dregs consisted of: 1,25; 2,5 and 5 ton per hectare as the sub plot. The result of research showed the application of dregs 1,25 ton per hectare increased the plant height, maximum tiller number and weight of dry shoot. The Pb and Ni of shoot rice were very low and Cr and Se were not measurable. Keywords : Peatland, Dregs, Rice, Heavy Metals.
PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascalonicum L.) DI LAHAN GAMBUT YANG DIBERI AMELIORAN DAN PUPUK NITROGEN Rohmololo riana bancin; Murniati &#039;; Idwar &#039;
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 3, No 1 (2016): Wisuda Februari 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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The objective of research was to know the growth and production of onion  after giving of ameliorant and nitrogene fertilizer. The research was done in experimentation area Faculty of Agroteknologi Universitas Riau, Rimbo Panjang village, subdistric Tambang, Kampar from March to May 2015. The research was using the Randomized Block Design Factorial with two factors. The first factor amelioran with five levels namely control (A0), dolomite 1,5 ton/ha (A1), calcite 2 ton/ha, oil palm bunch ash 5 ton/ha (A3) and  rice husk ash 15 ton/ha (A4).  The second factor  of nitrogene fertilizer with three levels namely control (N0), urea fertilizer 500 kg/ha (N1) and ZA fertilizer 1095 kg/ha (N2). Parameter observed were plant height, total of leaves, total tuber, rim tuber, fresh weight tuber per plot and dry weight tuber per plot. The result of the research showed that the ameliorant application was significant of rim tuber, fresh weight tuber/plot, and reasonable save tuber weight/plot, but not significant wet the plant height, total of leaves, total tuber. Nitrogene fertilizer showed significant on fresh weight tuber per plot, and dry weight per plot, but not significant the plant height, total of leaves, rim tuber, total tuber. The interaction between ameliorant and nitrogene fertilizer showed that no significant for all parameters. showed significant on fresh weight tuber per plot and dry weight tuber per plot, but no significant the plant height, total of leaves, rim tuber, total tuber.   Keyword : Onion, peat soil, ameliorant and nitrogene fertilizer.