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Ende, Sjarifuddin
Sekolah Tinggi Ilmu Pertanian Mujahidin Toli-toli
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Aktivitas Nitrat Reduktase (ANR) Tanaman Jagung pada Pola Tumpangsari yang Diberi Serasah Jagung-Kedelai serta Biochar di Lahan Suboptimal Sidondo Sulawesi Tengah Sjarfuddin Ende; Salawati Salawati; Indrianto Kadekoh; Fathurrahman Fathurrahman; Saiful Darman; Lukman Lukman
Jurnal Ilmu Pertanian Indonesia Vol. 27 No. 4 (2022): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.27.4.544

Abstract

The aim of the study was to examine the relationship between nitrate reductase activity and N uptake, tissue N content, N uptake, and chlorophyll content of corn plants in intercropping patterns which are given corn-soybean litter and biochar. The use of plant litter and biochar derived from crop residues as a source of organic matter in different intercropping patterns affected nitrate reductase activity, tissue N content, N uptake, and chlorophyll content of maize. This experiment was carried out on sub-optimal Sidondo land, Central Sulawesi with the main limiting factors being the availability of water and alkaline soil pH (7.21) which were arranged in a divided plot design with five litter treatments as subplots and five cropping patterns as the main plot with three replicates. Parameters observed were N levels, plant tissue N uptake, chlorophyll, and nitrate reductase activity. Collected data were analyzed using Anova and Duncan's multiple random tests. The results showed that corn litter, soybean mixed corn + soybean litter and their biochar in different intercropping patterns affected nitrate reductase activity, nitrogen uptake, chlorophyll levels very significantly (P˂0.01), increased nitrate reductase activity by 9710.86 mol NO2- -1g-1hour-1 at the age of 55 DAP, while N uptake (2237 mg.kg-1), tissue N content (4.33%), and total chlorophyll content (10.61 mg.l-1) were the highest in the litter treatment, corn and soybeans as well as biochar in corn and soybean intercropping (1:2), and (2:4). Thus, the provision of corn and soybean litter and biochar in intercropping systems can increase nitrate reductase activity, N uptake, tissue N levels, and corn chlorophyll levels in the corn-soybean intercropping system. Keywords: chlorophyll, N content of corn plant tissue, nitrate reductase activity, N uptake
Co-Authors Bustaman Bustaman Bustaman, Bustaman Fajar Syadik Fathurrahman Fathurrahman Firdatul Hasanah Hasanah, Firdatul Henrik Henrik Ilham Bakri Abdul Rahim Thaha,Isrun, Ilham Bakri Indrianto Kadekoh Indrianto Kadekoh Lukman Lukman Masriani Mohammad Basir Nur Hikmah Nurmala - Saiful Darman Salawati Salawati Siti Fatima Suprianto Suprianto Sutarmin D. Hi. Ahmad Tony Tony Tony Tony, Tony Yanti Sasmita Yulianti Rasud