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DAMPAK NAUNGAN TERHADAP PERUBAHAN KARAKTER AGRONOMI DAN MORFO-FISIOLOGI DAUN PADA TANAMAN KEDELAI (Glycine max (L.) Merrill) Chairudin, Chairudin; Efendi, Efendi; Sabaruddin, Sabaruddin
Jurnal Floratek Vol 10, No 1 (2015): April 2015
Publisher : Universitas Syiah Kuala

Shade is one of the obstacles in the cultivation of soybean crops in intercropping systems. This study was aimed at determining the change in the characters of agronomic and morpho-physiological leaves of soybean plants due to shade. The experiment was conducted at the Experimental Farm of Agriculture Faculty, Teuku Umar University Meulaboh in West Aceh, from August to November 2013. The experiment was arranged in a split plot design with three replications, where subplot (varieties: Anjasmoro, Kipas Merah Bireun, Grobogan, Burangrang, Sinabung, Kaba) was nested in the main plot (shade: without shade, 25% and 50% shade). The results showed that the shade and varieties exerted high significant effects on changes in agronomic characters and morpho-physiological leaf variables, except 100-seed weight and ratio of chlorophyll a/b which were not affected by shade and the amount of chlorophyll b and the ratio of chlorophyll a/b not affected by varieties. Interactions between shade and varieties were highly significant on changes in agronomic characters, except variables 100-seed weight.

KAJIAN LIMBAH CANGKANG KERANG SEBAGAI ALTERNATIF BAHAN AMELIORAN DI LAHAN GAMBUT Setyowati, Mita; Chairudin, Chairudin
Jurnal Agrotek Lestari Vol 2, No 1 (2016): Jurnal Agrotek Lestari
Publisher : Universitas Teuku Umar

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Peat soil has a high acidity levels, causing low fertility rate, but can be lowered by amelioration. Ameliorant materials that are widely used today are dolomite and limestone which contains calcium carbonate (CaCO3). All material containing Ca compounds can be used as ameliorant material to neutralize the soil acidity that basically adding Ca and lower Al. Waste shells also have the main ingredients in Ca compounds in the form of calcium carbonate (CaCO3) at higher levels when compared limestone, egg shells and other materials, seen from the level of violence kerang.The aim of this research to assess the utilization of waste shells as an alternative ameliorant material on peatland. Research conducted at the Faculty of Agriculture, University of Teuku Umar, Meulaboh in June 2014 to December 2014. Analysis of the chemical constituents shells held in Baristand Industry Banda Aceh, parameters observed were peat soil pH before and after being given ameliorant waste shells, Ca compound, Na, P, and Mg and micro nutrients (Fe, Cu, Ni, B, Zn and Si) in 100 grams of waste shells. This study was followed by the application of waste shells on spinach crops as an indicator of plant growth and production parameters were observed. The result of this research shows that the content of Ca as a constituent CaCO3 in mussel shells higher than dolomite. Giving flour shells can raise the pH soils. The giving of 1.9 ton ha-1 shell clams flour showed the growth and yield of spinach were not significantly different from shell clams flour showed or dolomite flour at a dose of 3.8 ton ha-1. Shell clams flour can be used as an alternative material ameliorant replacement dolomite.?Keywords: ameliorant, peat, Shells clams, spinach

PENGARUH VARIETAS KACANG TANAH (Aracis hypogaea L.) DAN DOSIS PENGAPURAN TERHADAP PENYAKIT BUSUK BATANG Sclerotium rolfsii Sacc. PADA LAHAN GAMBUT Chairudin, Chairudin; Yanti, Lola Adres; Zalukhu, Paulina
Jurnal Agrotek Lestari Vol 5, No 1 (2018): Jurnal Agrotek Lestari
Publisher : Universitas Teuku Umar

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Peanut has high economic value because has high nutritions especially protein and fat, but the development of broad harvesting and peanut production for the last five years (2008-2012) continues to decrease. The main problem of the peanut low production are disease attacks S. rolfsii and the low broad harvesting. The drop of peanut production in Nusa Tenggara Barat causing harm caused by fungi S.rolfsii can reach 58,3 % per year. Peat is potential land to be developed to farming land. Peat has high acidity so fungi S. rolfsii would be easy to develop and resulted disease severity of peanut disease. Solution of this problem is the gift of lime. This study aims (1) to test the effect of dosages of lime to peanut resistance which was infected by rot stem S. rolfsii on peat land; (2) to study interaction of peanut varieties and dosage of lime to rot stem disease attacks S. rolfsii on peat land. This study used factorial block randomized design 2 x 3 with 3 replications. The studied factors were peanut varieties and the dosage of lime. The result showed that on the effect of varieties, the widest disease percentage was on Takar 2 variety on age 21, 28, 42, and 49 day after planting (DAP) that significant difference with Bison variety. The worth disease intensity was on Takar 2 variety that significant difference with Bison variety (on age 45 and 60 DAP).?Key words: dosage of lime, peanut varieties, peat land, the sclerotia of Sclerotium rolfsii

KAJIAN PERUBAHAN KARAKTER PRODUKSI TANAMAN KEDELAI (Glycine max (L.) Merrill) PADA LINGKUNGAN TERNAUNGI Chairudin, Chairudin
Jurnal Agrotek Lestari Vol 1, No 1 (2015): Jurnal Agrotek Lestari
Publisher : Universitas Teuku Umar

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Shade is one of the obstaclesin the cultivation of soybean crops in intercropping systems. This study aims to determine the change in the characters of agronomic and morpho-physiological leaves of soybean plants due to shade. This research was conducted at the experimental farm of Agriculture Faculty, Teuku Umar University Meulaboh in West Aceh, from August to November 2013. This study uses split plot design with three replications where separated sub plot (vareities: Anjasmoro, Kipas Merah Bireun, Grobogan, Burangrang, Sinabung, Kaba) nested in the mainplot (shade: without shade, 25% and 50% shade). The results showed that the shade and varieties very significant effected on changes in production characters except 100-seed weight. While the interaction shade and varieties very significant effect on changes in production characters except variables 100-seed weight.?Keywords : Intercropping, soybean, shading , varieties, yield

PRODUKSI SERASAH MANGROVE DI KAWASAN PESISIR KABUPATEN ACEH JAYA Fithria, Dewi; Chairudin, Chairudin
Jurnal Agrotek Lestari Vol 3, No 1 (2017): Jurnal Agrotek Lestari
Publisher : Universitas Teuku Umar

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Mangrove litters like leaves, branches and fruit will partly sunk under its own weight and blown by the currents of the ocean when sink back again to normal. Litter is carried away a current of who will be the organic matter and capable of being increases the production of litter yielded become an important factor in the transfer of hara of its vegetation those mangrove trees into the ground. This study aims to in order to understand the the production of mangrove litter in the area of those mangrove trees in Aceh Jaya. This research is right beside the road explorative and descriptive. The determination of the study locations is based on a method of purposive the sampling method of that has been assumed represent the regions of this research. The research results show the production of litter hutan mangrove in the remote and sparsely populated Rigaih of environmental friendly of the district of Aceh Jaya as much as 9.85 tons on higher demand for/ than one hectare in size/years. The type of whichdominant who gives hara of the largest memorials in hutan mangrove this is Rhizophora stylosa with the volume of production as much as litter 5.27 tons on higher demand for/than one hectare in size/years or about 53%. The parameter of the physical environment of to exert an influence upon the production of litter hutan mangrove in the area of environmentallyfriendly Aceh Jaya district. Keywords : environmentally friendly area, mangrove ecosystem, production litter

PENGARUH SISTEM TANAM LEGOWO DAN PUPUK ORGANIK TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN PADI LOKAL ACEH AKSESI SIGUPAI Chairudin, Chairudin; Setyowati, Mita; Hussaleh, Taufiq
Jurnal Agrotek Lestari Vol 2, No 2 (2016): Jurnal Agrotek Lestari
Publisher : Universitas Teuku Umar

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The potential to increase rice production can be improved through the application of new innovation, one of them using the system Legowo row planting and use of organic fertilizers. This study aims to determine the effect of planting system legowo and organic fertilizers on the growth and production of local rice crops Aceh Accession real Sigupai and whether the interaction of both factors. This study uses split plot design, with three replications, where subplots nested within the main plot. Subplot consisted of three (3) the standard treatment Legowo planting system (S), namely: S1 = Cropping systems Legowo 2: 1, S2 = System Legowo planting 3: 1, S3 = Cropping systems Legowo 4: 1. While the main plot consists of three (3) the standard treatment of organic fertilizers (P) ie: P1 = 5 ton ha -1, P2 = 10 ton ha -1, P3 = 15 ton ha -1. The results showed that planting system legowo not affect the growth of the rice plant, but affect the results of rice. The highest yield obtained in planting system Legowo 4: 1 and legowo 2: 1 which is significantly different from the System Legowo 3: 1. Organic fertilizer had no effect on the growth and yield of rice plants. There is no interaction between legowo cropping system and organic manure on the yield of rice plants.?Keywords: legowo cropping system, local accession aceh, organic fertilizer, production

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