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Journal : agriTECH

Uji Kinerja dan Implementasi Aplikator Pupuk Cair Berbasis Variable Rate Application untuk Tanaman Kedelai (Glycine max) Miraj Fuadi; Lilik Sutiarso; Radi Radi
agriTECH Vol 41, No 2 (2021)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (582.833 KB) | DOI: 10.22146/agritech.54828

Abstract

Provision of fertilizer is crucial for improving the quality and quantity of the yield. However, using chemical fertilizer continuously with increasing doses can disrupt the balance of land nutrients. Therefore, it is necessary to use a variable-rate liquid fertilizer device to control fertilizer dose required by the plant. The research aimed to evaluate the variable-rate liquid fertilizer performance. The fertilizier applicator characterized by effective field capacity (EFC), theoretically field capacity (TFC) and field efficiency (FE). The materials used were fertilizier (Urea, Sp-36, KCL), Glycine max seeds Grobogan variety. While the equipments were a set of variable-rate liquid fertilizer applicator, scale, rollmeter, analytic balance, multitester, and calipers. To observe the plant responses by fertilizer applicator, a demplot of 36 x 8 m2 was divided in 6 plots of 12 x 4 m2 (A1, A2, ... A6). The evaluation showed respectively the EFC, TFC and FE were 624 m2/h, 864 m2/h and 72.27%. The soybean growth showed that statistically the application of fertilizers using an applicator did not significantly affect plant height parameters but significantly affected the stem diameter, number of leaves and coverage area. Nevertheless, it was still found that soybean crop had different productivity, shown by a significance value of 0.028. Regression analysis with the fertilizer SP-36 (X2) variable on productivity obtained the function Y = -1.405.10-4 + 0.12X2 – 0.001X22 with an R2 of 0.581. Regression analysis with the fertilizer KCl (X3) variable on productivity obtained the function Y = -2.546.10-16 + 0.053X3 – 2.063.10-4 X32 with an R2 value of 0.701.
Co-Authors Abyan Nur Fauzi Afni, Nur' Agriananta Fahmi Hidayat Ahlan Ahlan Alfi Mawadah Amalia, Anugerah Fitri Amuddin Amuddin Amuddin, Amuddin Antesty, Sella Aqidah, Fitratul Asih Priyati Ayu Widhiantari, Ida Ayu, Hanifah De Side, Gagassage Nanaluih Diena Rauda Ramdania Dody Handito Dody Handito Dwi Putra Buana Sakti DWI SANTOSO Elya Antariksana Bachmida Fakhrul Irfan Khalil FATIMA, SITI Firman Fajar Perdhana Fitrah Sugiarto Fitrah Sugiarto Guyup Mahardhian Dwi Putra Hairul Azmi, Muhamad Halimatul Ulfa Ru'ya' Husnan Hadi I Wayan Sweca Yasa I Wayan Sweca Yasa Ichsan Budiman Ince Siti Wardatullatifah Ince Siti Wardatullatifah S. Ines Marisya Dwi Anggraini Ines Marisya Dwi Anggraini Joko Sumarsono Khaerul Azhar Khaerul Rizal, Muhammad Kurniawan Yuniarto Kurniawan Yuniarto Kusmiah, Nurhaya Lalu Unsunnidhal Lalu Unsunnidhal Lilik Sutiarso Lukman Hakim Lukman Hakim M. Azhar Mustafid Made Gendhis Putri Pertiwi Made Gendis Putri Pertiwi Made Gendis Putri Pertiwi Maylawati, Dian Sa'adillah Ma’wa, Miftahil Mita Sari Ningsih Mohammad Fajar Septian Muhammad Insan Al-Amin Mutia Devi Ariyana Mutia Devi Ariyana, Mutia Devi Nurul Aen Oki Saputra Oki Saputra OKI SAPUTRA Pavalee Chompoorat Tridtitanakiat Puspitasari, Isnaini Qabul Dinanta Utama Radi Radi Rahman Yazid Tabrani Reza Kusuma Nurrohman Riezka Zuhriatika Rasyda Riezka Zuhriatika Rasyda Rohmat Mulyana Sapdi Rosyid Ridho Sella Antesty Sella Antesty Setyaning Pawestri Sirajuddin Haji Abdullah Sri Widyastuti Surya Abdul Muttalib Surya Abdul Muttalib, Surya Abdul Tridesi Rhamdani Sumantri Wahyudi Zulfikar Wahyudin Darmalaksana Wardatullatifah, Ince Siti Wenny Amaliah Wenny Amaliah Widhiantari, Ida Ayu Wiwin Apriyanditra Yesica Marcelina Romauli Sinaga Yessica Romauli Sinaga Yuhendra AP