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Dyah Ayu Savitri
Department Of Agricultural Science, Faculty Of Agriculture, University Of Jember, Indonesia
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Journal : Protech Biosystems Journal

 1 
Effect Of Dosage And Frequency Of Liquid NPK Fertilization On Growth Of Cutting Seedlings Robusta Coffee (Coffea chanephora) Al amin, Muhammad Yordan Yuliano; Subroto, Gatot; Wulanjari, Distiana; Savitri, Dyah Ayu
Protech Biosystems Journal Vol 3, No 2 (2023): PROTECH BIOSYSTEM JOURNAL
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v3i2.20862

Abstract

The Robusta coffee plant (Coffea canephora) is included in the Rubiaceae family and the Coffea genus. The problem in breeding Robusta coffee plants is that Robusta coffee seeds cannot be developed generatively because of the type of cross-pollination, so they must be propagated vegetatively by cuttings, namely slow root growth and rooting. weak so shoot formation is slow. To overcome this problem, liquid NPK fertilizer (24:20:05) was used with the aim of producing optimal cutting growth. The aim of this research was to determine the effect of the dose and frequency of application of liquid NPK fertilizer (24:20:05) on the growth of Robusta coffee cuttings. The method used was a factorial Randomized Block Design (RAK) consisting of 2 factors and 3 replications. Factor 1 consists of F0: 0 ml/polybag, F1 (25 ml/polybag), F2 (50 ml/polybag), F3 (75 ml/polybag), F4 (100 ml/polybag). The second factor is the frequency of fertilization (M) which consists of M1: Application once a week M2: Application once every 2 weeks M3: Application once every 3 weeks. The research results showed that there was an interaction between the dose of liquid NPK fertilizer and the frequency of fertilization on Robusta coffee cuttings (1) which had a very significant influence on the observed variables of stem diameter, number of branches and leaf area. (2) Giving a dose of liquid NPK fertilizer to Robusta coffee plant cuttings has a very real influence on all variables. (3) The effect of fertilization frequency on Robusta coffee plant cuttings has a very real influence on the variables of stem diameter and number of branches.
Effect of Dose and Type of Liquid Organic Fertilizer on Early Growth of Cocoa Seedlings (Theobroma Cacao L.) Faisal Gunawan, Muhammad; Subroto, Gatot; Savitri, Dyah Ayu; Farisi, Oria Alit
Protech Biosystems Journal Vol 3, No 2 (2023): PROTECH BIOSYSTEM JOURNAL
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v3i2.20840

Abstract

The purpose of this research was to determine the effect of dose and type of liquid organic fertilizer as well as the interaction between dose and type of liquid organic fertilizer on the early growth of cocoa seedlings. This study used various kinds of POC namely GDM, NASA, Hantu and Guano. To support the success of POC application, different doses were also used in the treatment. The research was conducted in the greenhouse of Patrang Sub-district, Patrang District, Jember Regency in 2023. This study used a complete randomized design (CRD) with 2 factors. The first factor is the dose consisting of 3 levels, namely D1 (10ml/plant), D2 (15ml/plant) and D3 (20ml/plant). The second factor is the type of liquid organic fertilizer consisting of 4 levels, namely P1 (GDM), P2 (NASA), P3 (Superior plant hormone (Hantu)) and P4 (Guano). The results showed there was no interaction between dose and various kinds of liquid organic fertilizers. The application of dose affected the wet weight of plants and leaf area. Various kinds of liquid organic fertilizers affected the number of branches of cocoa seedlings.
Co-Authors . Usmadi Ahmad Ilham Tanzil Ahmad Nafi Aji Santoso Al amin, Muhammad Yordan Yuliano Amany, Alfiyyah Nur Andi Eko Wiyono, Andi Eko Anggraini, Febri Ankardiansyah Pandu Pradana Apriliyani, Mulia Dwi Nur Arum, Ayu Puspita Arum, Ayu Puspita Ayuningtyas, Putri Larasati Bambang Kusmanadhi Binuril Ma’rifah Bulqis, Malika Dewi, Lara Putri Kartika Dewi, Nilasari Diana Fauziah Dinata, Ferry Dwi Erwin Kusbianto Fadli Firmansyah Andrean Faisal Gunawan, Muhammad Farisi, Oria Alit Fauziah, Fithriyatul Febridayanti, Fika Gatot Subroto Giyarto Hasbi Mubarak Suud Helda Wika Amini Helda Wika Amini Herliani, Canserlita Puteri Herlina Herlina Herlina Herlina Hidayah, Satria Nurul Hidayah Ibanah, Indah Ika Purnamasari Irwanto Sucipto, Irwanto Izah, Ika Lailatul Kusmanadhi, Bambang Malvira Mega Febriyanti Maria Belgis Maulana, Juraisyki Iqbal Maulidana, Ach. Ariful Meliala, Susan Barbara Patricia Sembiring Mochammad Wildan Djatmiko Mochammad Wildan Jadmiko Mochammad Wildan Jadmiko Muhammad Ghufron Rosyady Muharja, Maktum Munandar, Denna Eriani Nadya Fairuz Soraya Nidya Shara Mahardika Nisak, Fauziatun Noer Novijanto Novendra, Dimas Ihza Noviana, Sulfi Nurcharisma, Adinda Nurhayadatul Haliza Nurrahmi, Tyas Putri Yulia nurul latifah Okti, Reski Dwi Patricia Sembiring, Susan Barbara Patricia SM, Susan Barbara Patricia SM., Susan Barbara Patricia, Susan Barbara Pramesti, Riska Ayu Rachmi Masnilah Ramadani, Prayogo Gilang Ramadhanti, Choirul Lisa Ratnasari, Tri Rena Yunita Rahman, Rena Yunita Ristiyana, Suci Rizka Maulida Fajriati Rizki Fitria Darmayanti Romdhon, Mochammad Syihab Rony, Zahara Tussoleha Rosania, Shela Rosyady, Muhammad Ghufron Rosyady, Muhammad Gufron Rufiani Nadzirah Rusdianto, Andrew Setiawan S, Setiyono Safa Rajni Ismaya Sari, Andini Permata Setiyono setiyono Setiyono Setiyono Setiyono Setiyono Sholeh Avivi Slameto Slameto Sofia Sofia Subroto, Gatot Sudarko Sudarko Sugeng Santoso Sugeng Winarso Susan Barbara Patricia Sembiring Meliala Susan Barbara Patricia SM Suud, Hasbi Mubarak Tsania Afifatus Zahro Ummi Sholikhah Wildan Muhlison, Wildan Wulanjari, Distiana Yuli Hariyati Yunita, Vina Zalzabila Syafarinda Putri