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All Journal Jurnal Pendidikan Kimia Indonesia Jurnal Penelitian Hutan Tanaman International Journal of Science and Applied Science: Conference Series Jurnal PAJAR (Pendidikan dan Pengajaran) Jurnal Penelitian Kehutanan FALOAK JURNAL PERTANIAN Agrica: Journal of Sustainable Dryland Agriculture Prima Magistra: Jurnal Ilmiah Kependidikan
Maria Tensiana Tima
Universitas Flores
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Mathematics Physics Veterinary Other

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Journal : Agrica: Journal of Sustainable Dryland Agriculture

 1 
PENENTUAN KONDISI OPTIMUM HIDROLISIS PATI OLEH ASPERGILLUS NIGER DALAM LIMBAH KULIT KENTANG Maria Tensiana Tima
AGRICA Vol. 11 No. 2 (2018): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (81.077 KB) | DOI: 10.37478/agr.v11i2.45

Abstract

Determination of optimum condition for starch hydrolysis Aspergillus niger in shell potato waste. Shell Potato waste can be used as a raw material for making bioethanol because it contains carbohydrate ingredients, starch. The process of making bioethanol from starchy materials can be done through the hydrolysis process, then proceed with the fermentation process. The hydrolysis process is carried out to hydrolyze starch into glucose with the help of amylase enzyme produced from the Aspergillus nigerbacterium. This research was carried out at the Chemistry Laboratory of FMIPA Malang State University. The purpose of this study was to determine the optimum conditions for hydrolysis of starch from potato skin which includes temperature, pH, time and amount of Aspergillus niger used. The glucose level produced from the hydrolysis process is determined using the Somogy-Nelson method. The results showed that the optimum conditions for starch hydrolysis to produce optimum glucose levels were using 1.25 grams of Aspergillus niger (equivalent to 50 mL of culture), at pH 5 and temperature of 300C within 2 hours, with glucose produced as much as 0.0167 g of 100 g of shell potato waste flour.
EVALUASI KESESUAIAN LAHAN TANAMAN SORGUM (Shorgum bicolor L. moench) DI LIKOTUDEN DESA KAWALELO KECAMATAN DEMOM PAGONG KABUPATEN FLORES TIMUR Mario Adriano Riberu; Maria Tensiana Tima; Charly Mutiara
AGRICA Vol. 15 No. 1 (2022): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i1.1781

Abstract

ANALISIS VEGETASI GULMA PADA PERLAKUAN OLAH TANAH TANAMAN UBI KAYU NUABOSI Maria Tensiana Tima; Putri Titin Safarni; Sri Wahyuni
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2309

Abstract

The growing weeds in cassava plants are unwanted because it negatively inhibits growth and reduces tuber production in cassava. This research aims to determine differences in the types and populations of weeds in the treated and fallow soil treatment. This study used the proportion sampling method by calculating the number of weed species found in cassava plantations, separating each weed found according to the plot, identifying the types of weeds obtained, and recording the data in a table of the number and density of weeds. This research shows that the population and types of weeds have different amounts between the treated land treated and the treated fallow land. The highest weed population was found at the treatment of fallow land with clover weed (Trifolium repens) of 1,462. In the tillage treatment, the highest weed population yield was found in the bandotan weed (Ageraum conyzoides) with a total population of 269. Based on observations, cassava plants on processed land had better development compared to cassava development on fallow land treatment.
Co-Authors Agustinus J.P. Ana Saga Antonia Fransiska Laka Atina Rizanatul Fahriyah Charly Mutiara Desfi Annisa Ernesta Leha Ernesta Leha HARI SUTRISNO HARI SUTRISNO Josina Irene Hutubessy Mario Adriano Riberu Murdaningsih Philipus N Supardi Putri Titin Safarni Satya Sadhu Silvester M Siso Sri Wahyuni Sri Wahyuni Vika Puji Cahyani