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Journal : Tropical Plantation Journal

Effect of Dolomite and NPK on The Growth and Yield of off-Season Shallots Iswahyudi, Iswahyudi; Haryanto, Eddy Tri; Supriyono, Supriyono; Al-batul, Fitrotunnisa; Samanhudi, Samanhudi; Irawati, Erni; Rahayu, Muji; Purwanto, Edi
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.74

Abstract

Shallot is a high-value horticultural commodity. Its productivity often declines due to suboptimal soil conditions, such as low pH and imbalanced nutrient availability, especially when cultivated off-season. This study aimed to determine the optimal combination of dolomite and NPK (Nitrogen, Phosphorus, Potassium) fertilizer for the growth and yield of shallot cultivated in the off-season. The research was conducted in Ngringo Village, Jaten District, Karanganyar Regency from February-April 2025. The method used was a factorial Completely Randomized Design (CRD) with two factors and three replications. The first factor was dolomite doses (0; 2000; and 4000 kg.ha-1) and NPK fertilizer doses (250; 375; and 500 kg.ha-1). Observed parameters were plant height, number of leaves, fresh and dry biomass weight, fresh and dry bulb weight, number of bulbs per plant, and bulb diameter. Data were analyzed by analysis of variance (ANOVA) at a 95% significance level and continued with Duncan’s Multiple Range Test (DMRT) with 95% significance level when significant differences were found. The results showed no significant interaction between dolomite and NPK fertilizer on shallot growth and yield. Dolomite at 2000 kg.ha-1 significantly increased the number of leaves, while NPK fertilizer had no significant effect. However, 250 kg.ha-1 of NPK fertilizer produced similar results to higher doses, indicating potential fertilizer efficiency. Environmental conditions such as high humidity and low light intensity likely influenced treatment effectiveness.
Co-Authors . Hadiwiyono A.A. Ketut Agung Cahyawan W Abdul Rauf Abdul Roup, Abdul Ade Budi Setiawan Ade Syoufa Adi Kurniawan Adillah, Meylia Afandi, Irvan Afriyanti, Siti Nur Laily Agung Budi Sardjono Agus Pujianto Agustine Dwianika Agustinus Purna Irawan Ahmad Basuki Akbar Sujiwa Al-batul, Fitrotunnisa Alfandito, Muhammad Zidane Amalia Tetrani Sakya, Amalia Tetrani Amalia, Liliyani Nur Ambarwati, Retnoning Amdayani, Susilawati Amrozi Khamidi Andriani, Lutfi Tri Anggraeni, Ni Ketut Putri Anggrayni, Vidiyana Anis Ika Nur Rohmah anna wahidati Anugrah, Adhika Ibnu apriyan hendriyanto Aprodita Emma Yetti Ardianzyah, Muhamad Viki Nur ARI SUSILOWATI Arief Rahman Arisanti, Dian Asyhari Asyhari, Asyhari Atiek Suprapti atik suprapti Atmiasri AYUNINGTYAS, ROSYIDA Azainil Azainil Bambang Setioko Brilianti, Dani Fitria Budiharjo, Anton Bulan, Marcellina Cahyadi, Tio Natalia Sari Chaerul Anwar Chairul Huda Al Husna Charolina, Chika Helen Lola Cinta, Griselda Zahira Curtinawati, Rizki Fillya Dawan, Anil Deasy Olivia, Deasy Dewi , Cynthia Sari Dhiyaulhaq, Faradhifa Shafahana Dinartika, Amelia Dini Hariyanti Djumilah Hadiwidjojo Eddy Tri Haryanto, Eddy Tri Edward E. Pandelaki, Edward E. Edward Endrianto Pandelaki Edward Endriyanto Pandelaki, Edward Endriyanto edward pandelaki Erni Irawati Euis Mufahamah Fahril, Imam Fairuz, Tariza Faqih Ruhyanudin Fauziah, Nita Fatma Febrianti, Elok Firdaus, Aina Aulia Fitra Handika Hutama Gumilang, Lingga Arta Gunadi Gunadi Gunadi Gunawan Hadi, Suprapto Harsanti, Aprilia Dwiki Harsritanto, Bangun Indrakusumo Radityo Haryaka, Usfandi HASANAH, NUR AZIZAH USWATUN Helmi Helmi Hendy Tannady Henik Tri Rahayu Hermina, Isnaini Hidayat, Hanif Himawan, Rifqi Huda, Rachmad Miftah Husin, Ahmad Husna, Layyinatul Imamah, Indah Nur Inayati, Nabilla Rahma Indah Dwi Pratiwi Indriani, Wiewiek Inggrida, Jedda Ayu Iratasya Rizky Ayundari, Iratasya Rizky Islamy, R Adharyan ISWAHYUDI ISWAHYUDI Jabbaar, Ghozi Abdul Jamilatus Syamsiah Anwar Joenso, Reivandy Christal Juwita, Desy Kania Kinasih Karlina, Nova Karwanto, Karwanto krisno akbar Kudadiri, Parlindungan Kurniawan, Basuki Kusuma Ratnawati Kusumamahanani, Fatma Laksana, Alfian Hudan Lazuardi Lazuardi LESTA yananda amardan, LESTA yananda Lestari, Sri Isfantin Puji M. Rimawan Maman Suherman Maryam Masyriqi, Zufarudin Al Maulidina, Rossyana Amelia Mochamad Nursalim Mohammad Iqbal Mabruri, Mohammad Iqbal Muhtadin, Imam Muji Rahayu Mulyadi, Fadli Nadhirah, Aulia Nar Herrhyanto Ngaisah Ngaisah, Ngaisah Nindiana, Rina Ningrum, Winda Widya Ningtyas, Nurmala Agustin Nulhakim, Lukman Nur Fauziah, Qori Nuriyah, Fakihatun Nurul Huda Nuryanti, Feny Eka Oktarina, Devi Palimbunga, Febry Busri Pangestika, Intan Widya Parjanto Poromarto, Susilo Hambeg Prabang Sety PRABARINI, HANIFAH FAIRUZA Pramesty, Dewi Indah Pranoto, Ethys Prasetya, Yanto Budi Pratama, Syndu Yoga Pratikto, Aryo Priyanto, Yuda Galang Puji Astuti, Risma Puji Harsono, Puji Pujianti, Amin Purnama, Septian Maulana Purwandari, Cornelia Ayu puspa ayu Putra, I Dewa Gede Tantara Tesa Putri, Fadillah Dwi Putri, Kharisma Disti Winsa R Siti Rukayah Raharjo, Suharto P Rahmawati Prihastuty, Rahmawati Rahmawati, Frizka Fauzia Rakhmanita, R Rakhmanita, Rakhmanita Ramadhani, Restu Ratna Juwita resza riskiyanto Rifai, Mukhamad Rinaldo, Rinaldo Rizka Novi Sesanti Rizwana, Zahra Ardya Robbi, Mohammad Jefri Ali Romadhani, Ahmad Rosalia, Tita Rukhayah, R. Siti Rusdianto, Moh. Sahri, Agus Salsabil , Syifa Hanifa Samanhudi Samanhudi Santi, Yanuarita Sari, Fevi Catur Wulan Sari, Liliana Chandra Sari Sari, Novita Yuliana Sattriedi Wahyu Binabar SETIYANINGSIH, ARY Setyaningrum, Dian Ftriana Setyaningrum, Dika Anjasmara Shelma , Ismy Alifia Shofiyah Nurmasari Siti Hasanah Sjarief, Rachman Soedarmanto, Soedarmanto Solehudin, Makmun sonaesti, ceratomia Sudadi Sudadi Sudarmi Sudarmi Sukamdiani Sulandjari Sulandjari, Sulandjari Sulhendri, Sulhendri Sumarni DW, Sumarni Sunardi Sunardi Supriyono Supriyono Supyani Supyani Suranto Tjiptowibisono Suratman Suratman Suryani Suryani Susanto, Eko Budi Susilowati Susilowati Sutono Sutono Sya'roni, Wahab Tanjung, Juita Taqiya, Nurul Rifqi Tedianto Tedianto teguh budianto Tehtae, Sareef Tini, Tini Titik Agustiyaningsih Titin Sakinah, Titin Tiwuk Herawati Tri Lestari Handayani Triatmono, Agus Ubaidillah, Zaqqi Uktolseja, Goklas Hendra Ulfaturrohmah, Lu'luatul Khoiriyyah 'Ulimat Umi Kalsum Usman Made Utami, Rahayu Budi Vivi Kurnia Putri Widia Ningsih, Widia Widiantara, I Wayan Andhika Widjayanti, Widjayanti Wijayanti . Wijayanti Wijayanti Wijonarko, Rizqi Willianto, Henoch Wisnu Agung, Wisnu Wisnu Prajogo, Wisnu Yani, Iis Yohanes Setiawan Yohanes Totok Suyoto Yuanita, Amelia Ratna Yunus, Ahmad Yurizal, Shalsabila Azzahra Putri