12 articles in this issue
Nova N Zakyani, R Susanti, Talitha Widiatningrum
Nypa fruticans Wurmb or ‘nipa’ is a palm plant that includes mangrove commodities, found along the mouths of tropical and subtropical rivers. Nipah forests in Indonesia are spread on the coast of the islands of Sumatra, Kalimantan, Sulawesi, Maluku, and P... see more
Victor G Siahaya
Extracts from the Annona muricata plant parts are known to have a broad-spectrum insecticidal potential against various species of insect pests. This study aimed to study the bioactive compounds of Annona reticulata fruit extract against Callosobruchus ma... see more
John A Patty, Esther D Masauna, Ponira Ponira
The problem of copra damage in storage warehouses by the warehouse pest Nercrobia rufipes is a serious matter because it can reach >10%, is not easy to overcome and causes significant losses. The aim of the study was to obtain the total population of N... see more
Alfred J Sutrisno, Ani P Astuti
Yard is important for the community of Salatiga City. Salatiga City has two types of settlements, namely planned and unplanned settlements. The utilization of yards in both types of settlements differs. Therefore, this study aimed to examine the influence... see more
Lisa C Silooy, Willem A Siahaya, Johanes P Haumahu
Vegetation can be interpreted as a combination of several plants with different types living together in a place that forms a unit that interacts with each other, both among individuals from the plants themselves and the interaction of environmental facto... see more
Tantri Swandari, Rohmat Maulana Ibrahim, Sri Suryanti
Zamioculcas zamiifolia is an ornamental aroid plant that can be propagated vegetatively through leaf, stem, and petiole cuttings. Cultivation efforts are needed to increase the viability of cuttings as well as faster root and shoot induction, one of which... see more
Sovya M M Manullang, Samuel Laimeheriwa, Martha Amba
Clove production in Maluku fluctuates from year to year, one of which is influenced by rainfall anomalies. This study aimed of describing extreme rainfall events and analyzing the relations between rainfall and clove productivity in two areas with differe... see more
Carla E Tupanno, Silwanus Talakua, Rudy Soplanit, Rafael M Osok
Forest areas are designated as protected forests if they function as a provider of clean water reserves, erosion control, city lungs or other functions. Disruption of forest land resources has an impact on changes in the physical properties of the soil an... see more
Gelvin Kakisina, Herman Rehatta, Imelda J Lawalata
The use of chemical fertilizers on vegetable mustard by farmers is currently higher than the use of organic fertilizers. The use of proper organic fertilizers is an alternative to reducing the dose of chemical fertilizers to increase yields of pagod... see more
Jacobus S A Lamerkabel, Ria Y Rumthe, Marsia E Sarkol
Stingless bees have an important role, namely as a potential pollinator for increasing the production of various plants, as well as producing honey and propolis. This study aims to obtain species diversity, morphological characters, morphometric character... see more
Hapsoh Hapsoh, Boni Vasius Suwantua- T, Sri Yoseva
Production of sweet potatoes in Riau Province has decreased from 9,667 tons in 2018, 8,021 tons in 2019, to 7,305 tons in 2020, due to a decrease in harvested area of 490 ha in 2018, 483 ha in 2019, and 371 ha in 2020. To increase production, effort... see more
Sari Magfirah Naufal, Wilhelmina Rumahlewang, Gratiana N C Tuhumury
Colletotrichum gloeosporioides is a type of pathogen that causes anthracnose. This disease is classified as a major disease in chili plants which can cause great losses. Liquid smoke contains antimicrobial compounds, such as phenols and acids which effect... see more