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All Journal Jurnal Ilmiah Media Agrosains Jurnal Pertanian Agros
Hartini
Politeknik LPP Yogyakarta
Agriculture, Biological Sciences & Forestry

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PENGARUH DOSIS DAN WAKTU APLIKASI JAMUR MIKORIZA ARBUSKULAR TERHADAP PERTUMBUHAN BIBIT TANAMAN KELAPA SAWIT (Elaeis guineensis Jacq) di PRE-NURSERY Putra Ardiansyah; Hartini
Jurnal Ilmiah Media Agrosains Vol 8 No 1 (2022): Edisi Desember
Publisher : Unit Penelitian dan Pengabdian Masyarakat (UP2M) Politeknik Banjarnegara

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Abstract

This study aims to determine the effect of administering Arbuscular Mycorrhizal Fungus (AMF) with different application times on the growth of oil palm seedlings in Pre-Nursery. The sprouts used came from PPKS with the D X P Marihat variety. This research was conducted at the Green House Polytechnic LPP Yogyakarta arranged in a factorial Randomized Block Design (RBD). The first factor was the administration of AMF with the dose used, namely M0 for no AMF, M1 with 5 grams of JMA, and M2 with 10 grams of AMF. The second factor was the time of application which consisted of 3 levels, namely: W1 (Application 5 days before planting), W2 (Application 15 days after planting), and W3 (Application 30 days after planting). From these two factors, 9 treatment combinations were obtained which were repeated 3 times, so that they consisted of 27 experimental units. The treatments were planted in polybags measuring 20 X 20 cm. Each experimental unit consisted of 2 plants, so a total of 54 oil palm seeds were needed. The variables observed were plant height, stem diameter, number of leaves, plant wet weight, and plant dry weight. Analysis of the data using variance (ANOVA) with a significant 5%, if there is a significant difference followed by Duncan's further test (DMRT). The results showed that there was no real interaction between the administration of AMF and the different application times on the observed growth variables. The AMF treatment had no significant effect on plant height, several leaves, wet weight, or dry weight but had a significant effect on stem diameter. Different times of application of AMF did not significantly affect all observed variables, namely plant height, number of leaves, stem diameter, plant wet weight, and plant dry weight.
ANALISIS KELAYAKAN USAHATANI KAKAO DAN MOTIVASI PETANI DALAM BUDIDAYA KAKAO (Studi Kasus di Desa Putat, Kecamatan Patuk, Kabupaten Gunungkidul) Pantja Siwi V R Ingesti; Hartini; M.Farhan Riza Dalimunthe
Jurnal Pertanian Agros Vol 28 No 3 (2026): EDISI JULI
Publisher : Fakultas Pertanian Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v28i3.101

Abstract

This study aims to analyze the feasibility level of the farming business and the level of farmer motivation in cultivating cocoa plants. A quantitative descriptive method supported by primary and secondary data was employed in this research. Primary data were collected through direct interviews in the study area, including information regarding farmer profiles, land area, farming income and feasibility, as well as farmer motivation in cocoa cultivation. Secondary data were sourced from literature such as books, journals, and agencies or institutions relevant to the research topic. The analysis results comparing 5 farmer groups in Putat Village indicate that the highest farming income was achieved by the Sidodadi farmer group, amounting to IDR 21,838,000.00, whereas the lowest income belonged to the Pamor farmer group at IDR 6,899,000.00. All 5 farmer groups were deemed feasible for conducting cocoa farming operations, with the lowest feasibility score recorded by the Ngudi Raharjo farmer group, which had an R/C ratio of 2.6 and a B/C ratio of 1.6. The income level significantly affected the motivation of the cocoa farmer respondents. Furthermore, issues regarding pests and diseases, along with the existence of farmer groups, also influenced farmers' motivation to increase cocoa productivity.  
Co-Authors M.Farhan Riza Dalimunthe Pantja Siwi VR Ingesti Putra Ardiansyah