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Combination of Nitrogen and Potassium Improve Radiation Use Efficiency, Growth, Yield, and Agronomic Efficiency in Maize Cultivation Azizah, Nur; Nihayati, Ellis; Widaryanto, Eko; Sugito, Yogi
Plantropica: Journal of Agricultural Science Vol. 10 No. 1 (2025): Februari
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpt.2024.010.1.1

Abstract

Proper management of nitrogen (N) and potassium (K) is needed to increase maize productivity in the area having low soil fertility due to their crucial role for plant growth and production. The research aimed to analyze the effect of N and K fertilizer doses on growth, production, radiation use and agronomic efficiencies during two years maize cultivation. The research was carried out on March to July 2021 and January to May 2022 in Jatikerto Agro Techno Park, Malang - East Java, Indonesia. The experiment used 16 treatment combinations of nitrogen (0, 38, 77, and 115 kg N/ha in 2021 and 0, 50, 100, 150 kg N ha-1 in 2022) and potassium (0, 33, 67, and 100 kg K ha-1 in 2021 and 0, 50, 100, and 150 kg K ha-1 in 2022) fertilizer rates, and repeated three times of each. Maize growth and production (such as plant height, leaf number, leaf area index, interception photosynthetically active radiation, radiation use efficiency, yield) were significantly increased by application 77 and 150 kg N ha-1 combined with 67 and 150 kg K ha-1. The study found strongly effect of leaf area index and radiation use efficiency in increasing grain yield of maize (R2 = 0.94 and 0.98, respectively). However, the increases fertilizer rates should be anticipated their negative effect on agronomic efficiency. Therefore, proper combination of N and K should be considered to obtain the optimum maize growth and production, as well as maintain radiation use and agronomic efficiencies.
Co-Authors Adi Prawoto agus suprapto Agus Suryanto Agus Suryanto Agus Suryanto Al Ghazali Putra Pratama Ali Djamhuri Andi Syaifur Rochman Andriani, Putri Arrosyid, Harun Asril Priandi Azmi, Ivan Rizky Bambang Guritno Baswarsiati Baswarsiati Baswarsiati, Baswarsiati Belinda, Nia Budiadi, Fitsyadina Atria Chaerunnisa, Sita Sarah Chyntia Simanjuntak Daniswara, kevin arsya Delima, Juliana Dewi Ratih Rizki Damaiyanti Diah Asih Fitriana Didik Hariyono Dinarti, Nindia Dinda Clarra Sinta Dwi Yamika, Wiwin Sumiya Effendi, Mokhtar Effendi, Mokhtar Eka Intan Kumala Putri Eko Widaryanto Eko Widaryanto Euis Elih Nurlaelih Fajri, Atikah Falia Nanda Nur Alifah Farrakhan, Muhammad Husni Febriandani, Hasna Luthfiyyan Fitriana, Diah Asih Fitriatul Mafula Fitsyadina Atria Budiadi Garfansa, Marchel Putra Hadi, Rahma Yunalia Hadzafi, Muhammad Muammar Halmedan, Jemy Harun Arrosyid Hasna Luthfiyyan Febriandani Haura, Putri Hasna Heddy, Y. B. Suwasono Hiskia Tarigan Husni Thamrin Sebayang Indanus Faried Nugroho Intan Aningrum Rengga Intan Talitha Sakti Ivan Rizky Azmi Jemy Halmedan Jen Rico Simaremare Jodi Elvin Manalu Juliana Delima Kartika Yurlisa Kartika Yurlisa Kartika Yurlisa, Kartika Klarisa Sasa Bella Lilik Setyobudi Lily Agustina M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Mafula, Fitriatul Manalu, Jodi Elvin Marchel Putra Garfansa Medha Baskara Medha Baskara Melda Yuartaria Sembiring Menak Simbolon Mohamad Arik Wibowo Mokhtar Effendi Muasyaroh, Siti Mudji Santoso Muhammad Husni Farrakhan Muhammad Muammar Hadzafi Muhammad Rizky Ruliwicaksono Mukhammad Noor Arif Rakhman Nakhmiidah, Nisa Nia Belinda Nihayati, Ellis Nindia Dinarti Ninuk Herlina Ninuk Herlina Nisa Nakhmiidah Novel Akbar Velayati Nugroho, Agung Nugroho, Indanus Faried Nur Alifah, Falia Nanda Nur Azizah Nur Azizah Nurul Aini Oscar Regazzoni Oscar Regazzoni Oscar Regazzoni Pratama, Al Ghazali Putra Priandi, Asril Pribadi, Puguh Puguh Pribadi Putri Andriani Putri Hasna Haura Putri, Vandanita Permata Rahma Yunalia Hadi Rakhman, Mukhammad Noor Arif Regazzoni, Oscar Rochman, Andi Syaifur Ruliwicaksono, Muhammad Rizky Rusydah Ufairah S M Sitompul Sebayang, Husni Thamrin Sembiring, Melda Yuartaria Setyobudi, Lilik Setyono Yudo Tyasmoro Sija, Patta Simanjuntak, Chyntia Simaremare, Jen Rico Simbolon, Menak Sinta, Dinda Clarra Sirait, Stella Gaudensia Sisca Fajriani Sisca Fajriani Sita Sarah Chaerunnisa Sitawati Sitawati Siti Muasyaroh Soemarno Soemarno Sri Winarsih Stella Gaudensia Sirait Sudaryono Sudaryono Sudiarso Sudiarso Sudiarso Sudiarso Sudiarso, Sudiarso Sutopo Sutopo Sutopo, Sutopo Syamsul Arifin Tarigan, Hiskia Titiek Islami Ufairah, Rusydah Vandanita Permata Putri Velayati, Novel Akbar Wibowo, Mohamad Arik Wiwin Sumiya Dwi Yamika Y. B. Suwasono Heddy Yohanes Kristantyo Yonny Koesmaryono Yuni Agung Nugroho