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    PENGARUH KOMBINASI PUPUK HAYATI DAN PUPUK ANORGANIK TERHADAP KOMPONEN HASIL DUA VARIETAS UNGGUL PADI SAWAH (Oryza sativa L.)

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    Abstrak,Usaha mengkombinasikan penggunaan pupuk hayati dan pupuk anorganik pada padi sawah akan memberikan peluang untuk meningkatkan produksi padi, demikian pula halnya dengan penggunaan varietas unggul. Penelitian ini bertujuan untuk mengetahui pengaruh kombinasi pupuk hayati dan pupuk anorganik terhadap komponen hasil pada dua varietas unggul padi sawah. Penelitian ini dilaksanakan di Rumah Plastik Kebun Percobaan Fakultas Pertanian Universitas Syiah Kuala Banda Aceh, mulai dari Oktober 2014 sampai dengan April 2015. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok sesuai faktorial dengan 3 ulangan. Faktor pertama adalah kombinasi pupuk hayati dan pupuk anorganik terdiri dari 6 taraf, yaitu: P1 = kontrol (tanpa pemupukan), P2 = 100% pupuk anorganik sesuai rekomendasi (Urea = 300 kg ha-1 [1,2 g pot-1], SP 36 = 100 kg ha-1 [0,4 g pot-1], KCl = 100 kg ha-1 [0,4 g pot-1]), P3 = 100% pupuk hayati Ultra Gen (10 ml L-1 air), P4 = 75% pupuk hayati Ultra Gen + 25% pupuk anorganik sesuai rekomendasi, P5 = 50% pupuk hayati Ultra Gen + 50% pupuk anorganik sesuai rekomendasi, P6 = 25% pupuk hayati Ultra Gen + 75% pupuk anorganik sesuai rekomendasi. Faktor kedua adalah varietas unggul terdiri dari 2 taraf, yaitu: V1 = Ciherang dan V2 = Hipa 8. Hasil penelitian menunjukkan Kombinasi pupuk hayati dan pupuk anorganik yang terbaik untuk varietas Ciherang dan Hipa 8 adalah pada perlakuan 25% pupuk hayati Ultra Gen + 75% pupuk anorganik, karena dapat memberikan hasil padi yang setara dengan penggunaan 100% pupuk anorganik.Effect of Biofertilizer and Inorganic Fertlizer Combination on Yield Componentof Rice Varieties (Oryza sativa L.)Abstract,Efforts to combine the use of biofertilizer and inorganic fertilizer in rice will provide an opportunity to increase rice production, as well as the use of superior varieties. This study aims to determine the effect of a combination of biofertilizer and inorganic fertilizer on the yield components of two superior varieties of rice. This research was conducted at the Agriculture Faculty Experimental Green House, Syiah Kuala University, Banda Aceh, from October 2014 to April 2015. The experimental design used is a factorial randomized block design with three replications. The first factor is a combination of biological fertilizer and inorganic fertilizer consisting of 6 levels: P1 = control (without fertilization), P2 = 100% inorganic fertilizer as recommended (Urea = 300 kg ha-1 [1,2 g pot-1], SP 36 = 100 kg ha-1 [0,4 g pot-1], KCl = 100 kg ha-1 [0,4 g pot-1]), P3 = 100% Ultra Gen biofertilizer (10 ml L-1 water), P4 = 75% Ultra Gen biofertilizer + 25% inorganic fertilizer as recommended, P5 = 50% Ultra Gen biofertilizer + 50% inorganic fertilizer as recommended, P6 = 25% Ultra Gen biofertilizer + 75% inorganic fertilizer as recommended. The second factor was superior varieties consisting of 2 levels: V1 = Ciherang and V2 = Hipa 8. The results showed that the best combination of biofertilizer and inorganic fertilizer for Ciherang and Hipa 8 varieties was 25% Ultra Gen biofertilizer + 75% inorganic fertilizer, because it can provide rice yield equivalent to the use of 100% inorganic fertilizer

    DAMPAK PEMUPUKAN NITROGEN TERHADAP PENYAKIT BLAS DAUN DAN KOMPONEN HASIL PADI

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    Abstrak, Penelitian bertujuan untuk mempelajari pemberian pupuk nitrogen terhadap hama penggerek batang dan pelipat daun padi. Penelitian dilakukan di Kecamatan Syamtalira Aron Kabupaten Aceh Utara dari bulan Nopember 2013 sampai April 2014. Penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan perlakuan dosis nitrogen yaitu tanpa pemupukan, 45 kg N/ha, 67,5 kg N/ha, 90 kg N/ha, 112,5 kg N/ha, dan 135 kg N/ha. Setiap perlakuan dosis nitrogen diulang sebanyak tiga kali. Peubah yang diamati adalah komponen intensitas serangan penyakit blas daun dan komponen hasil. Hasil penelitian menunjukkan bahwa pemupukan nitrogen dari dosis 45 kg N/ha sampai 135 kg N/ha dapat meningkatkan serangan penyakit blas daun dan tidak menurunkan komponen hasil. Pemupukan nitrogen dengan dari 112,5 kg N/ha sampai 135 kg N/ha dapat menurunkan jumlah gabah per malai, bobot gabah per malai, persentase gabah isi per malai, bobot gabah kering panen, bobot gabah kering giling, dan bobot gabah 1000 butir. Terdapat korelasi positif dan sangat nyata antara intensitas serangan penyakit blas daun dengan jumlah anakan maksimum, korelasi positif dan tidak nyata antara intensitas serangan penyakit blas daun dengan komponen hasil, dan korelasi positif dan sangat nyata antar komponen hasil padi.Impact of Nitrogen Fertilization on Blast Leaf Disease and Components Yield RiceAbstract,The research aims to study the applications of nitrogen fertilizer on pests stem borers and leaffolders rice. The study was conducted in the subdistrict Syamtalira Aron district North Aceh from November 2013 until April 2014. The research using randomized block design (RBD) with the nitrogen dose treatment is without fertilizer, 45 kg N/ha, 67.5 kg N/ha, 90 kg N/ha, 112.5 kg N/ha, and 135 kg N/ha. Each treatment was repeated doses of nitrogen three times. Variables measured is the component intensity of rice blast leaf disease and components yield such as grain dry weight harvest, dry milled grain weight, and weight of 1000 seeds. The results showed that fertilization nitrogen from dose 45 kg of N/ha to 135 kg N/ha can increase the intensity attacks of rice blast leaf disease and not decrease the yield components. The granting of nitrogen with 112.5 kg N/ha to 135 kg N/ha can reduce the weight of dry grain harvest, dry milled grain weight, and grain weight of 1000 seeds. There were positive correlation (p0.01) between intensity of rice blast leaf disease with the maximum number of tillers, positive correlation (p0.01) between intensity of rice blast leaf disease with yield components, and positive correlation (p0.01) between the yield components rice

    PENULARAN PENYAKIT BUDOK SECARA MEKANIK DAN PENYAMBUNGAN PADA TANAMAN NILAM (Pogostemon cablin Benth)

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    Transmiss.ion of budok disease by mechanic and grafting methods on patchouli (Pogoslemon cablin Benth). Budok is the most serious disease on patchouli in Nanggroe Acch Darussalam Province and considered as a major constraint for patchouli production. The disease is supposed caused by a virus or Micoplasma like organism (MLO). Transmission of budok disease may occur naturally in field. but the mechanism of transmission has not yet been known. The research aimed at investigate wether the budok disease could be transmitted by mechanic sap and grafting method. The results showed that budok disease was transmitted by both method tested. Inoculation time of mechanical transmission by mechanic sap inoculation was faster than grafting method

    PENGARUH KONDISI SIMPAN DAN PERLAKUAN OSMOCONDITIONING TERHADAP VIABILITAS BENIH GMELINA (Gmelina arborea Roxb)

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    The research was conducted to study the effect of storage condition and osmoconditioning treatment on the viability of gmelina seed. The experiment was designed as a factorial experiment in a completely randomized design. The factors studied were storage condition (K), and osmoconditioning treatment (c). storage condition consist of room temperature condition (28-32oC) (K1) and under aircondition temperature (K2), where as osmoconditioning treatment consist of control (Co), PEG 0,4 MPa (C1), PEG 0,8 MPa (C2), KNO3 0,5 MPa (Ca3) and KNO3 0,1 MPa (C4). Observation was carried out in beweekly basis during sixteen weeks storage periods. The parameters observed were potential viability, growth strength vigour, and rate of metabolic activity changes. The research results showed the osmoconditioning treatment using PEG 0,4 and 0,8 MPa significantly increase total normal seedling. Moreover, osmoconditioning treatment using KNO3 0,5 MPa, and 1,0 MPa in the condition at under air conditioner room increase free fatty acid of the storage seed

    ASPEK FISIKA DAN MEKANIKA TANAH ASOSIASI REGOSOL BANJARWANGI KABUPATEN GARUT

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    Development of terraces which is applied for soil and water conservation often experiences failure with occurance of sliding, like several agricultural lands in sub district of Banjarwangi, Garut Regency. Slide at farm of bench terrace is influenced by soil physics and mechanics properties. For that purpose it requires to conduct research of soil and mechanics properties in the area of gristle slide. Result of inspection is physical properties of Regosol Association soil within two condition, that is undisturbed and compacted condition. The result shows as follows the average water content is 47.82 % and 28.83 % respectively. The average porosity is 68.30 % and 53.54 % and the average permeability is 5.89 mm/jam and 0.69 mm/jam, respectively. Soil texture is silt loam. The result of proctor test that is maximum densities is 1.40 t/m 3 and the optimum water content is 28.83 %. Inspection of soil mechanic properties with triaxial test shows that at the mean density of 1.44 t/m 3. The effective cohesion is on average 0.15 kgf/cm2 and the internal friction angle average is 20.3 for natural condition. If soil is compacted with optimum water content, it shows improvement on strength with the average density is 1.732 t/m3, the average effective cohesion is 0.722 kgf/cm2, and the average internal friction angle is 28. 48 . The maximum shear strength of soil increases if optimum water content applied

    EFEK ALELOPATI TEKI (Cyperus rotundus) TERHADAP PERTUMBUHAN TANAMAN SELADA (Lactuca sativa)

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    Penelitian ini bertujuan untuk mengetahui pengaruh efek alelopati umbi C. rotundus terhadap pertumbuhan selada (Lactuca sativa). Penelitian ini dilaksanakan di laboratorium gulma dan di rumah kaca Fakultas Pertanian Universitas Syiah Kuala, Darusalam, Banda Aceh sejak Januari sampai Februari 2015. Rancangan yang digunakan ialah Rancangan Acak Lengkap (RAL) non faktorial dengan 5 perlakuan yang diulang sebanyak 4 kali sehingga diperoleh 20 unit perlakuan. Peubah yang diamati ialah persentase daya kecambah, tinggi tanaman, jumlah daun, diameter batang, bobot segar dan bobot kering tanaman. Hasil penelitian ini menunjukkan bahwa ekstrak umbi C. rotundus berpengaruh sangat nyata terhadap persentase daya kecambah, tinggi tanaman, jumlah daun, diameter batang, bobot segar dan bobot kering selada. Semakin tinggi konsentrasi yang diberikan, maka semakin besar pengaruhnya terhadap pertumbuhan selada. Penghambatan perkecambahan dan pertumbuhan selada dan hasil telah terjadi pada perlakuan ekstrak umbi teki dengan konsentrasi terendah (1,5%).The effect of Teki (Cyperus rotundus) Alelopath on the Growth of Lettuce (Lactuca sativa)This study aims to determine the effect of C. rotundus tubers alelopati effect on the growth of lettuce (Lactuca sativa). This research was conducted in the laboratory and in the greenhouse weed Faculty of Agriculture UNSYIAH, Darussalam, Banda Aceh from January to February 2015. The design used was completely randomized design (CRD) non factorial with 5 treatment was repeated 4 times to obtain 20 units treatment. The parameters observed are the percentage of germination, plant height, number of leaves, stem diameter, fresh weight and dry weight of plants. The results showed that the extract of C. rotundus tuber very significant effect on the percentage of germination, plant height, number of leaves, stem diameter, fresh weight and dry weight of lettuce. The higher the concentration of a given, the greater the effect on the growth of lettuce. Inhibition of germination and growth of lettuce and outcomes have occurred in the treatment puzzle tuber extract with the lowest concentration (1.5%)

    ESTIMASI DOSIS PUPUK UNTUK BEBERAPA VARIETAS PADI DI KECAMATAN SIMELUE BARAT KABUPATEN SIMELUE

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    The objective of the research is to estimate the fertilizer dosage on rice production. This study was conducted from October to December 2002 at Simeulue Barat. Dosage of fertilizer combination would give high result for local rice variety: 135 kg ha N 144 kg ha P20s 120 kg ha K20+7 kg ha S+3000 kg ha Dolomite 15 kg PPC (u-Nutrima-L), where for rice variety: 135 kg ha N + 144 kg ha P-Os + 60 kg ha1 K,0+ 7 kg ha S 1500 kg ha Dolomite +15 kg PPC. The maximum yield of prime variety use of: 8,41 ton ha -1 and local variety is 5.64 ton ha1. This data shows that the maximum yield difference between prime variety (TR-64) and local variety was about 2,95 ton ha - 1 (54,03 %

    MANGANESE TOXICITY AQUTIC SYSTEM : AN IMPACT OF EXCESS MANGANESE IN SOLUTION CULTURE ON PLANT GROWTH

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    Mn2+ sangat larut di dalam system aquatic dimana prinsip kultur larutan adalah sama dengan system akuatik. Dua set eksperimen mengenai pengaruh konsentrasi Mn2+ di dalam kultur larutan terhadap pertumbuhan tanaman telah dilakukan di rumah kaca University Putra Malaysia, Serdang, Selangor, Malaysia. Studi ini bertujuan untuk mengetahui konsentrasi toksik Mn2+ di dalam kultur larutan pada pertumbuhan tanaman. Sebagai tanaman indicator adalah vegetable soybean (Glycine max L.) Pada eksperimen pertama menunjukkan 60 M Mn berkesan sangat toksik pada pertumbuhan tanaman, sementara pada eksperimen kedua menunjukkan bahwa 7.5 M adalah optimum. Penurunan berat kering daun, akar dan batang tanaman soybean sangat nyata pada taraf 37.5 M. Ianya disebabkan oleh pengurangan luas daun dan panjang akar dengan penambahan konsentrasi Mn2+ pada kultur larutan

    PENGARUH TANAMAN STRIP TERHADAP PEMAKAIAN AIR TANAH

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    The study was conducted at the Jatikerto village, Sumber Pucung sub-district, Malang regency The Randomised Block Design was used in this experiment and each treatment was replicated twice. The study used erosion plots ( 12 x 10 ) m , with a slope of 8 % , maize ( 1 0 X 04 ) m and cassava ( 16 ) x1.0) m inter-cropped as the main crops. The plants used for the strip were gajah grass, raja grass taiwan grass, vetiver grass, benggala grass at (0.15 x 6.0) m planting distance, and Gliricidia, with seed and stump at (0.20 x 6.0) m planting distance. The result shows, soil water usage indicate that evapo-transpiration of all treatments ranged from 876 mm (4.02 mm day) to 899 mm (4.13 mim day ). There was no significant difference of soil water content at 25 cm, 50 cm and 150 cm distance from the strip but otherwise was shown by the increase of the depth of the soi

    Kualitas Sifat Fisik Pada Beras Lokal Aceh (Oryza sativa L.) Genotipe M5 Hasil Iradiasi Sinar Gamma

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    Abstrak,Penelitian tentang sifat fisik pada beras (Oryza sativa L.) lokal Aceh genotipe M5 hasil iradiasi sinar gamma. Tujuan penelitian ini adalah untuk mengetahui kualitas sifat fisik pada beras lokal Aceh pada Genotipe M5 hasil iradiasi sinar gamma. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) non faktorial dengan 3 ulangan, perlakuan yang diteliti adalah genotipe terdiri atas 5 taraf yaitu: G0(Sanbei tetua pertama), G1 (USK-Snb-RGO-S-84), G2 (USK-Snb-RGO-CKU-6), G3 (USK-Snb-RGO-S-97), G4 (USK-Snb-RGO-4F1B). Penelitian ini dilakukan di Laboratorium Teknologi dan Industri Benih dan Laboratorium Analisis Pangan dan Hasil Penelitian Universitas Syiah Kuala. Penelitian ini telah dilaksanakan dari bulan April sampai dengan Juni 2018. Hasil penelitian menunjukkan bahwa untuk parameter sifat fisik beras lokal Aceh genotipe M5 hasil iradiasi sinar gamma yang terbaik adalah pada genotype G1 (USK-Snb-RGO-S-84) dimana pengaruh genotipe hanya berpengaruh pada perlakuan dimensi beras 2,35 mm dan densitas kamba 0,978 g/mlThe Quality of Physical Properties in Local Rice aceh Genotype M5 resulting from gamma ray irradiationAbstract,Research on physical properties in local Aceh rice (Oryza sativa L.) genotype M5 as a result of gamma ray irradiation. The purpose of this study was to determine the quality of physical properties in Aceh local rice in Genotype M5 as a result of gamma ray irradiation. This study used a non factorial Complete Randomized Design (RAL) with 3 replications, the treatment studied was genotype consisting of 5 levels, namely: G0 (Sanbei first parent), G1 (USK-Snb-RGO-S-84), G2 (USK- Snb-RGO-CKU-6), G3 (USK-Snb-RGO-S-97), G4 (USK-Snb-RGO-4F1B). This research was conducted at the Technology and Seed Industry Laboratory and the Laboratory of Food Analysis and Research Results at Syiah Kuala University. This research has been carried out from April to June 2018. The results showed that the parameters of the physical characteristics of the Aceh local rice genotype M5 which were the best results of gamma ray irradiation were in the G1 genotype (USK-Snb-RGO-S-84) where the influence of genotype was only effect on the dimensions of rice 2.35 mm and the density of kamba 0.978 g / ml

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