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Hura, Jul Krisman
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Other

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Analisis Permeabilitas Tanah Berpasir Dan Tanah Lempung Dalam Hubunganya Dengan Manajemen Irigasi Hura, Jul Krisman; Gulo, Murniwati
Jurnal Ilmu Pertanian dan Perikanan Vol. 1 No. 2 (2024): PENARIK - Desember
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/penarik.v1i1.63

Abstract

This research examines the permeability characteristics of sandy and clay soils and their implications for irrigation management in agricultural systems. Soil permeability is a key factor in determining water use efficiency and optimal irrigation strategies. The research methodology includes laboratory analysis of sandy and clay soil samples from various agricultural locations, measuring physical soil characteristics, infiltration rates, water storage capacity, and hydraulic conductivity. The results show significant differences between the two soil types, where sandy soil has high permeability ranging from 10^-3 to 10^-2 cm/second, low water storage capacity, and rapid infiltration rates, thus requiring more frequent irrigation with smaller volumes. In contrast, clay soil has low permeability ranging from 10^-7 to 10^-6 cm/second, high water storage capacity, and slow infiltration rates, requiring less frequent irrigation with larger volumes. Based on these results, specific irrigation management recommendations were developed that include irrigation schedule adjustments, water volume regulation, selection of appropriate irrigation methods, and water conservation techniques. This research provides important contributions to optimizing irrigation water use based on soil permeability characteristics, which can improve water use efficiency and agricultural productivity.
Efektivitas Pestisida Alami Berbahan Dasar Daun Sirsak Pada Hama Tanaman Terung Debora Zega, Novita; Lase, Edwin Kaskar Jaya; Hura, Jul Krisman; Gulo, Murniwati
Jurnal Ilmu Pertanian dan Perikanan Vol. 1 No. 2 (2024): PENARIK - Desember
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/penarik.v1i2.291

Abstract

This research evaluates the effectiveness of soursop leaf extract (Annona muricata) as a natural pesticide in controlling pests on eggplant plants (Solanum melongena). The use of natural pesticides is an environmentally friendly alternative to reduce the negative impact of chemical pesticides on the environment and human health. Soursop leaf extract is obtained through a manual crushing method without solvents and applied directly to eggplant plants infected with pests, especially aphids (Aphididae) and fruit caterpillars (Leucinodes orbonalis). Observations were made within 24 hours to assess changes in pest populations after application. The results of the study showed that soursop leaf extract was able to reduce the pest population significantly, with the majority of pests experiencing disturbances in their feeding activity or death after treatment. The effectiveness of this natural insecticide is thought to come from the content of bioactive compounds such as acetogenin, flavonoids and alkaloids which play a role in inhibiting pest metabolism. Although initial results show positive potential, further research is needed to test its long-term effectiveness and impact on eggplant plant growth and productivity. This study contributes to the development of more sustainable pest control methods in organic farming systems.
Co-Authors Debora Zega, Novita Gulo, Murniwati Lase, Edwin Kaskar Jaya