Vol. 6 No. 02 (2026): Protech Biosytem Journal (On Progress)

Articles

• Articles

  Influence Of Substrate Composition And Sucrose Concentration On The Growth And Yield Of Straw Mushroom (Volvariella volvacea) Pengaruh Komposisi Media Tanam Dan Konsentrasi  Sukrosa Terhadap Pertumbuhan Dan Hasil Jamur Merang (Volvariella volvacea)

  Muhamad Reza Andisa, Setiyono Setiyono, Tri Wahyu Saputra, Ika Purnamasari, Dyah Ayu Savitri, Ayu Puspita Arum, Susan Barbara Patricia Sembiring Meliala, Fauziatun Nisak

  Straw mushroom (Volvariella volvacea) is widely consumed due to its high nutritional value and low fat content. However, its production in Jember Regency has declined in recent years, partly due to the reduced availability of rice straw—the main…

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  140-152
• Articles

  The Effect of Fiber Volume Fraction on the Mechanical and Morphological Properties of Fiber Cissus Sicyoides Reinforced Epoxy Composites Pengaruh Fraksi Volume Serat Terhadap Sifat Mekanik dan Morfologi Komposit Epoxy Diperkuat Serat Cissus Sicyoides

  Sabil Wanandi, Nasmi Herlina Sari, Salman Salman

  Abstract: This study aims to analyze the effect of varying fiber volume fractions (2.5%, 7.5%, 10.5%, 15%, and 20%) on the tensile strength of the composite, with a total of 30 specimens prepared (15 specimens for tensile testing and 15 specimens for…

  • PDF (Bahasa Indonesia)

  153-165