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All Journal AGRIKA MAPETA Plumula : Berkala Ilmiah Agroteknologi Jurnal Agroekoteknologi AGRICOLA UNEJ e-Proceeding BIOEDUSCIENCE Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Agrotech Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) Jurnal Ilmiah Hijau Cendekia PEDULI: Jurnal Imiah Pengabdian Pada Masyarakat Jurnal Agrium Jurnal Agrotropika Nusantara Science and Technology Proceedings Agroradix : Jurnal Ilmu Pertanian Agricultural Science Berkala Penelitian Hayati AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) International Journal of Multidisciplinary Research and Literature (IJOMRAL) Jurnal Manajemen Agribisnis dan Agroindustri RADIKULA: Jurnal Ilmu Pertanian Jurnal Aplikasi Sains dan Teknologi : Agrisevika
Hadi Suhardjono
Department Of Agrotechnology, Faculty Of Agriculture, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Social Sciences Veterinary Other

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Journal : BIOEDUSCIENCE

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Pengaruh Defoliasi Daun dan Subtitusi Pupuk NPK Phonska dengan Guano terhadap Produksi Jagung (Zea mays L.) Novitasari, Vrida; Soedjarwo, Djarwatiningsih Poengky; Suhardjono, Hadi
BIOEDUSCIENCE Vol 9 No 2 (2025): BIOEDUSCIENCE
Publisher : Universitas Muhammadiyah Prof. Dr. Hamka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jbes/16135

Abstract

Background: Corn (Zea mays L.) is the most essential food commodity after rice and a secondary crop. The demand for Corn in Indonesia is currently relatively high, yet its production has been declining. To increase Corn production, improvements in cultivation techniques are necessary. One such method is optimizing assimilate distribution through leaf defoliation, as well as creating optimal growing conditions through fertilization. Fertilization should be balanced by using both inorganic and organic fertilizers. In this study, NPK Phonska and Guano fertilizers were used. Methods: This study employed a factorial randomized complete block design (RCBD) with two factors. The first factor was the level of leaf defoliation below the cob, consisting of three levels: no defoliation (D1), defoliation leaving three leaves (D2), and defoliation leaving two leaves (D3). The second factor was the substitution of NPK Phonska and guano fertilizers with five levels: 100% NPK Phonska (P1), 75% NPK Phonska + 25% Guano (P2), 50% NPK Phonska + 50% Guano (P3), 25% NPK Phonska + 75% Guano (P4), and 100% Guano (P5). Results: The study's results showed that defoliation, leaving two leaves below the cob, combined with the application of 7 tons/ha of guano fertilizer without the addition of NPK, increased cob weight, cob length, and dry kernel weight per plant. Additionally, the independent application of 7 tons/ha of guano fertilizer without NPK Phonska significantly increased cob diameter. Conclusions: The combination treatment of defoliation, leaving two leaves below the cob, and the application of 7 tons/ha of guano fertilizer without the addition of NPK had the most favorable effect on Corn production.
Pengaruh Dosis Pupuk Silika terhadap Pertumbuhan dan Hasil Tiga Varietas Kacang Hijau (Vigna radiata) Nurwendah, Miftah Azzura; Koentjoro, Yonny; Suhardjono, Hadi
BIOEDUSCIENCE Vol 9 No 3 (2025): BIOEDUSCIENCE
Publisher : Universitas Muhammadiyah Prof. Dr. Hamka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jbes/18459

Abstract

Background: Mung beans (Vigna radiata) are one of the plants cultivated in Indonesia because they have many benefits, so cultivating green beans can be a profitable prospect. The use of superior varieties can increase better production results, in addition to the use of additional fertilizer besides basic fertilizer. Silica fertilizer is a fertilizer that has benefits for improving harvest quality, strengthening plant stems, etc. This study examined by 2 treatments: the dose of silica and 3 types of mung bean plant varieties, which aiming to identify the interaction and the right combination between the dose of silica fertilizer and superior varieties of mung beans to produce better production results. Method: This study was using a two-factorial completely randomized design. The first factor is silica dosage (Si0 : 0cc/l; Si1 : 1cc/l; Si2 : 2cc/l; and Si3 : 3cc/l) and the second factor is mung bean variety (V1 : Vima-1; V1 : Vima-2 ; and V1: Kutilang). Results: The results of the study revealed that Si2V2 treatment is the most effective to increase the production of green bean plants. Conclusion: The applications of silica fertilizer and superior varieties of mung beans had a significant impact on the observed parameters and the best results combination was revealed in the Si2V2 treatment (Silica 2cc and Vima-2).
Co-Authors Agus Sulistyono Akbar, Muhammad Thoriqul Anggraini, Auliana Anis Nurmala Puspitasari Ari Wibisono Arika Purnawati Ayu Fatmawati Didik Utomo Pribadi Djarwatiningsih Pongki Soedjarwo Djoko Agus Purwanto Efendy, Yessy Pristika Endang Yektiningsih, Endang Fadilla Eka Rohcahyani Fadlillah, Ifan Fauziah, Imroatul Firmansyah, Muhammad Farhan Guniarti Guniarti Guniarti Guniarti Guniarti Guntoro, W Hidayat, Satrio Adnan Ida Retno Moeljani Ifan Fadlillah Irsyad Irsyad Khikmah, Rizkiyatul Awwalu Bil Koentjoro , Yonny Kusumaningrum, RA Nora Augustien Liastyn Dwika Putri Makhziah Maroeto Maroeto Maroeto, ' Martalina, Savira Dwi Nora Augustien Nora Augustien Nora Augustien Novitasari, Vrida Nur Vita Sari, Intan Nurwendah, Miftah Azzura Pangesti Nugrahani Parna, Dirgananda Putra Pawana Nur Indah Prasetyo, Dina Aulia Prastiko, Fega Nadya Pribadi, Didik Utomo Putri, Olivia Damayanti Ramdan Hidayat Rizaldi, Muhammad Fahri Saefur Rohman Santoso , Juli Santoso, Juli Setya Budi Santoso Setyo Budi Santoso Soedjarwo, Djarwatiningsih Poengky Soedjarwo, Djarwatiningsih Pongki Suryandika, Fadila Susanto, Nadia Octavia Sutini Sutini Sutini, Sutini Suwandi, ' Talitha Maritza Putri Tara W. Guntoro Wanti Mindari Wattimury, Agricia Widiwurjani Yoga Wahyu Krisdianto Yonny Koentjoro