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All Journal Journal of Tropical Soils Jurnal Penelitian Pertanian Terapan Jurnal Agrotek Tropika Jurnal Pengabdian Fakultas Pertanian Universitas Lampung
Henrie Buchari, Henrie
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Agriculture, Biological Sciences & Forestry Environmental Science

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THE EFFECT OF LONG-TERM SOIL TREATMENT AND N FERTILIZATION ON ORGANIC CARBON CONTENT, SOIL NITROGEN AND N ABSORPTION AND PRODUCTION IN CORN CROPING IN ULTISOL SOIL, YEAR 3 Yonathan, Yanda; Lumbanraja, Jamalam; Buchari, Henrie; Afrianti, Nur Afni
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025 (ON PROGRESS)
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i3.11390

Abstract

Ultisol is a type of soil in Indonesia with a wide distribution. Ultisol is soil that has a low fertility level so it needs improvement efforts so that it can be used optimally. The aim of the research was to determine the effect of long-term tillage, N fertilization, and the interaction between long-term tillage and N fertilization on soil organic C levels, total soil N, N uptake, and corn crop production in Ultisol. The research was carried out on 12 September 2021 – 30 January 2022 at the Polinela Experimental Garden. This research uses RAK with 2 factors, namely nitrogen fertilization (N0 = no fertilization, N2 = 200 kg N ha-1 fertilization), tillage (T1 = intensive tillage, T2 = minimum tillage, T3 = no tillage). Data from research on soil properties, initial and final soil analyzes were carried out to determine the soil total N content, soil organic C, C/N, and soil pH. Soil data analysis was carried out qualitatively using assessment criteria for soil analysis. Plant sample data in the form of (dry, wet weight production and plant N uptake) was tested using an ara and continued with a 5% LSD (least significance different) test. Without tillage and without N fertilization can increase soil organic C and total soil N. The highest corn stover N uptake was in the minimum tillage treatment. N fertilization is not able to increase organic C content, but can increase total soil N. N fertilization can increase the production of total dry weight and total wet weight of plants as well as total N transport. There was no interaction between the effect of N fertilization and tillage on N uptake and corn production.
Co-Authors Abdul Kadir Afandi Afandi Afrianti, Nur Afni Aini, Septi Nurul Ainin Niswati, Ainin Anggraini, Yunita Berthiria, . Dermiyati, Dermiyati Eka Purnama Sari, Eka Purnama Farida, Resti Febriana, Jonah Fernando, Lanang Koko Irwan Irwan Jamalam Lumbanraja Nurul Aini, Septi Putra, Ryandi Eka Rahmat Saleh Ramadhani, Winih Sekaringtyas Setiawati, Astriana Rahmi Silva, Gianluigi Sunyoto Sunyoto Tri Untari Utomo, Muhajir Yonathan, Yanda Zuldadan Naspendra