Edhi Martono
Fakultas Pertanian, Universitas Gadjah Mada

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Gangguan fisiologis wereng batang padi coklat akibat pemberian abu terbang batubara Hafiz Fauzana; F. X. Wagiman; Edhi Martono
Jurnal Entomologi Indonesia Vol 11 No 1 (2014): April
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (639.899 KB) | DOI: 10.5994/jei.11.1.27

Abstract

Coal fly ash (CFA) can be used as a control agent of brown plant hopper (BPH) Nilaparvata lugens (Hemiptera; Delphacidae). This study was aimed to investigate the physiological disorders in BPH when exposed to CFA. The research was conducted by carrying out tests covering the mortality of BPH, measurement of BPH weight before and after CFA treatment, an analysis of the moisture content in BPH, an analysis of the BPH tissue, and a chemical analysis of BPH. The results of the study showed that the mortality rate of BPH after treatment was 71%. The physiological disorders due to CFA treatment was indicated by a 67.04% weight reduction as opposed to a 6.9% weight increase on the control specimens. The average moisture content of the treated BPH was significantly lower than that of the control specimens. CFA caused a shrinkage of body tissues and an increase in the contents of silica and alumina on BPH.
PERCEPTIONS OF STUDENTS OF THE FACULTY OF AGRICULTURE ON THE SOCIAL STATUS AND CAREER PROSPECTS IN THE AGRICULTURAL SECTOR Yasinta Zulaikha; Edhi Martono; Fathul Himam
Agrisocionomics: Jurnal Sosial Ekonomi Pertanian Vol 5, No 1 (2021): Mei 2021
Publisher : Faculty of Animal and Agricultural Science, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/agrisocionomics.v5i1.6043

Abstract

The phenomenon of the declining interest of young workers working in the agricultural sector has consequences for the sustainability of the agricultural sector going forward. In the future, the burden on the agriculture sector will be heavier with the inc reasing population and increasing food demand. The reasons for the decline in the interest of young workers works at agricultural sector are mainly caused by the image of the agricultural sector which is less prestigious and can not provide adequate rewards. The crisis of young farmers in the agricultural sector and the predominance of older farmers has consequences for the agriculture sector development, particularly on agricultural productivity, market competitiveness, ruraleconomic capacity, and further it will threaten food security and agricultural sector sustainability. The objective of the research is to know the effect of social to career prospects on agricultural career empirically. The research involves 110 respondents with a questionnaire as a research instrument. The type of research in this study is survey research, the type of research which the way to collect data obtained or collected from the sample or population under study. Testing is done with a regression test to determine the effect of social status on career prospects in agriculture. The results of this study indicate that social status has an influence on perceptions of career prospects in the agricultural sector.