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All Journal Jurnal Teknologi Pertanian International Journal of Accounting, Management, Economics and Social Sciences (IJAMESC)
Yusuf Hendrawan
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Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Social Sciences

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THE INFLUENCE OF FUNDING AND RESEARCH AND DEVELOPMENT DECISIONS ON THE VALUE OF COMPANIES WITH PROFIT GROWTH AS MODERATION Yusuf Hendrawan; Endang Ruhiyat; Suripto
International Journal of Accounting, Management, Economics and Social Sciences (IJAMESC) Vol. 3 No. 1 (2025): February
Publisher : ZILLZELL MEDIA PRIMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61990/ijamesc.v3i1.384

Abstract

This study aims to obtain empirical evidence of the influence of Funding Decisions and Research and Development on Company Value with Profit Growth as a moderation. This type of research is quantitative associative. The population in this study is primary consumer goods sector companies listed on the Indonesia Stock Exchange in 2019-2023. The determination of samples by purposive sampling technique was obtained from 78 companies with 390 observation data. The analysis technique and hypothesis testing were carried out by panel data regression analysis through eviews ver-12. Based on the t-test, it is known that the variables of funding decisions affect the value of the company and research and development do not affect the value of the company. Meanwhile, profit growth can moderate the influence of funding decision variables on company value and profit growth cannot moderate the influence of research and development on company value.
KINETIKA PENGERINGAN VAKUM DAN KARAKTERISTIK FISIKOKIMIA PADA BERBAGAI JENIS IRISAN MANGGA (Mangifera indica L.) Haryati; La Choviya Hawa; Yusuf Hendrawan
Jurnal Teknologi Pertanian Vol. 26 No. 3 (2025)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtp.2025.026.03.4

Abstract

Fenomena pengeringan dengan berbagai varietas irisan buah mangga (Manalagi, Gadung, dan Harum manis) menggunakan metode pengering vakum. Sampel dikeringkan dengan variasi suhu (40, 50, dan 60 °C) pada tekanan 300 mbar. Pra-pengeringan menggunakan dehidrasi osmosis (larutan sukrosa 20% selama 20 jam), blansing (titik didih 98±2 °C selama 10 menit), dan perendaman zat anti-browning (asam sitrat 1% dan kalsium laktat 1% selama 60 menit). Penelitian ini bertujuan untuk mengevaluasi pemodelan menggunakan tujuh model (Newton, Page, Modified Page II, Handerson & Pabis, Logarithmic, Midilli, dan Two-Term) serta menganalisa perubahan fisikokimia selama pengeringan. Hasil yang didapat adalah kadar air akhir terbaik terdapat pada mangga Manalagi hingga 12,89-20,07% (bb) dengan rata-rata laju pengeringan 2,33-2,60%bb/jam. Model prediksi kinetika pengeringan terbaik adalah model Page dan Two-Term. Uji ANOVA dua arah menunjukkan bahwa variasi mangga dan variasi suhu memberikan pengaruh nyata terhadap fisikokimia (TPT, rendemen, kekerasan, dan warna). Nilai perubahan fisikokimia didapatkan TPT terbaik mangga Manalagi (37,31-48,77%°Brix), rendemen terbaik mangga Manalagi (15,48-19,57%), kekerasan terbaik mangga Harum manis (2,58-16,07 kgf), warna L* terbaik mangga Manalagi (47,45-60,95), warna a* terbaik mangga Manalagi (5,77-9,59), mangga warna b* terbaik mangga Gadung (33,61-39,22).
GROWTH RESPONSE OF GRAND RAPID LETTUCE (Lactuca Sativa L.) TO ROOT-ZONE COOLING IN DEEP WATER CULTURE HYDROPONICS Joko Prasetyo; Wiryaningtyas Setya Winahyu; Gunomo Djoyowasito; Musthofa Lutfi; Yusuf Hendrawan; Susinggih Wijana
Jurnal Teknologi Pertanian Vol. 27 No. 2 (2026)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtp.2026.027.02.3

Abstract

This study investigates the effects of root-zone cooling (RZC) on the growth performance of Grand Rapids lettuce (Lactuca sativa L.) cultivated in a deep water culture hydroponic (DWC) system. The experiment evaluated three cooling treatments 15 °C, 20 °C, and 25 °C applied for 8 hours daily, with an untreated control group for comparison. Morphological parameters including plant height, leaf area, SPAD value, root length, and fresh weight were measured over a 30-day growth period. Results demonstrated that RZC significantly improved all growth metrics compared to the control. The 25 °C treatment consistently outperformed other groups, yielding the tallest plants (32 cm), largest leaf area (200 cm²), and highest fresh weight (97.5 g), indicating enhanced nutrient uptake and photosynthetic activity. Root length was also maximized at 20 °C and 25 °C, reflecting improved root system development under moderate cooling. While chlorophyll content (SPAD value) showed less variation among treatments, temperatures below 20 °C appeared to limit metabolic efficiency. These findings confirm that RZC, particularly at 25 °C, enhances morphological development and biomass accumulation in hydroponic lettuce, offering a promising strategy for optimizing growth under warm environmental conditions. The study underscores the importance of precise root-zone temperature control as a sustainable intervention to mitigate heat stress, improve resource use efficiency, and boost productivity in soilless cultivation systems.
Co-Authors Gunomo Djoyowasito Haryati Joko Prasetyo La Choviya Hawa Musthofa Lutfi Ruhiyat, Endang Suripto Susinggih Wijana Wiryaningtyas Setya Winahyu