Original research article

• Economic analysis of replacement of commercial feed with extruded soy sauce and fermented soy sauce in maintenance of broilers

  Damaryanto Widharto, Lusia Risyani P. M.

  60-62

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• Feasibility analysis of broiler production based on local food with variations in calcium and phosphorus

  Dira Asri Pramita, Charles Venirius Lisnahan, Alfred Nubatonis

  63-65

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• Competitiveness of rice in Biboki Moenleu District, North Middle Timor Regency, East Nusa Tenggara Province

  Umbu Joka, Yohanes Pebrian Vianney Mambur

  66-68

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• The effect of covid-19 pandemic to Indonesia agriculture export value performance

  Achmad Subchiandi Maulana, Agustinus Nubatonis

  69-71

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• The role of agricultural extension in improving the productivity of farmers in Oesoko Village in North Insana Sub-district

  Timotius Titus Tahoni, Yohanes Pebrian Vianney Mambur

  72-74

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