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Ende, Sjarifuddin
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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
Changes Of Some Chemical Properties Of Soil After Rice Production The Impact Of Giving Cow Manure Salawati Salawati; Sjarifuddin Ende; Lukman Lukman
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 20 No 2 (2022): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v20i2.3140

Abstract

Rice plants are able to express their genetic abilities if their growth is supported by an optimal growing environment such as both organik and inorganik fertilization. The ability to plan nutrients to support the growth of rice plants has decreased and is less responsive to fertilization, N, P, K. because the level of soil fertility decreases, the period of biological fertility in the period of physical fertility and paddy soil. This study aims to determine the changes in some chemical properties of the soil after the first rice harvest, using cow manure and biochar and N, P, K, Zn fertilizers as basic fertilizers, using a randomized block design with 7 levels of cow manure treatment that is, 0, 2.5, 5, 7.5, 10, 12, 5 and 15 tons ha-1. Collected data were analyzed using variance and advanced test DMRT 5% level. The results showed that there was a change in some chemical properties of the rice field soil after harvesting the Mekongga variety, among others, a decrease in pH to 1 level, an increase in Organik C 95.41%, N total 80%, K Total 56.49%, CEC, 63.57%. Zn is available 46.55% and P is available 422.52%.
PENGELOLAAN RESIDU JAGUNG-KEDELAI PADA POLA TUMPANGSARI TERHADAP SIMPANAN C-ORGANIK DAN BEBERAPA SIFAT KIMIA TANAH Salawati, Salawati; Ende, Sjarifuddin
Jurnal Agrotek Tropika Vol 12, No 1 (2024): JURNAL AGROTEK TROPIKA VOL 12, Februari 2024
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v12i1.6741

Abstract

Tanaman Jagung dan kedelay termasuk tanaman pangan penting setelah padi dan gandum namun kendala yang dihadapi dalam budidaya tanaman  tersebut secara monokultur adalah keterbatasan lahan serta kesuburan tanah. Penelitian ini bertujuan untuk mengkaji sistem pertanaman dan peran residu tanaman jagung dan kedelai serta biocharnya terhadap simpanan C-organik tanah,  bobot isi tanah, beberapa sifat kimia tanah dan nisbah kesetraan lahan.  Penelitian ini dilaksanakan di kebun sains Sidondo BPTP Sulawesi  Tengah dan laboratorium tanah Universitas Tadulako Palu Sulawesi Tengah. Percobaan disusun berdasarkan rancangan acak kelompok  faktorial 5x5 pola petak terbagi (Split Plot Design) dengan tiga ulangan.  Sebagai petak utama adalah system pertanaman yaitu;  (T1) monokultur jagung, (T2) monokultur kedelai, (T3) tumpangsari jagung/kedelai (1:1), (T4) tumpangsari jagung/kedelai (2:1), (T5) dan tumpangsari jagung/kedelai (2:4). Anak Petak yaitu residu dan biochar jagung-kedelai yang diberi label (R1) tanpa residu, (R2) residu jagung, (R3) residu kedelai, (R4) residu jagung+kedelai, (R5) biochar jagung+kedelai. Setiap ulangan (blok) memiliki 25 plot, masing-masing berukuran 3,5 m x 4,5 m. Hasil penelitian menunjukkan simpanan C-organik dan C oraganik tanah  tertinggi pada  interaksi perakuan tumpangsari  2:4  dengan biochar, Bobot isi tanah terendah pada interaksi perlakuan monokultur kedalai dengan biochar, N Total tertinggi pada interaksi perlakuan tumpangsari 2:4 dengan residu jagung kedelai. P Total pada interaksi perlakuan tumpangsari 2:4 dengan biochar, K total tertinggi pada interaksi perlakuan tumpangsari 1:2 dengan Residu jagung kedelai, nisbah kesetraan lahan  tertinggi pada interaksi perlakuan tumpangsari 2:4 dengan residu kedelai.
MENSIASATI KELANGKAAN PUPUK ANORGANIK DENGAN ENGGUNAKAN PUPUK ORGANIK BERBASIS LIMBAH PETERNAKAN DAN PERTANIAN DI DESA KAMALU ECAMATAN OGODEIDE KABUPATEN TOLITOLI Syadik, Fajar; Salawati, Salawati; Sjarifuddin Ende; Sunarti
Jurnal Pengabdian Vol. 4 No. 2 (2025): Juli-Desember
Publisher : Bengkulu Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58222/jp.v4i2.1315

Abstract

This Field Work Practice was carried out with the aim of knowing how to apply a transformational leadership style to improve the performance of employees in the Vocational School Development Division of the Bali Province Youth and Sports Education Office. The Office of Education, Youth and Sports is one of the government agencies whose job is to assist and manage the government in activities related to education and sports. In the current era of globalization, government institutions are required to maximize their performance in various ways. The role of this employee's performance can be influenced by the existence of a leadership style because each task given will be optimally achieved if the leader supervises and directs the employee. One of them is the transformational leadership style where this transformational leadership can influence employees to continue to hone their abilities in completing work. Based on the results of student observations, it can be concluded that the Head of the Vocational School Development Division has implemented good transformational leadership so that it is able to improve employee performance and help government institutions to be more advanced and achieve their goals.
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 Kadeko Lukman Lukman Lukman Lukman M. Yogi Riyantama Isjoni Masriani Mohammad Basir Nur Hikmah Nurmala - Saiful Darman salawati salawati Salawati Salawati Siti Fatima Sunarti Sutarmin D. Hi. Ahmad Syadik, Fajar Tony Tony Tony Tony, Tony Yanti Sasmita Yulianti Rasud