Apriliani, Ririn
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Improvement of Selected Soil Physical Properties and Mustard Yield After the Application of Tithonia Compost in Ultisols Apriliani, Ririn; Sulistyo, Bambang; Muktamar, Zainal
TERRA : Journal of Land Restoration Vol. 7 No. 2 (2024)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.7.2.66-71

Abstract

Ultisols are widespread in the Indonesian archipelago and have potential for developing the agricultural sector. However, Ultisols have several problems, such as low organic matter content, poor soil structure, unstable soil aggregates, high soil bulk density, and low total soil pore space. These problems result in slow soil infiltration and permeability, which can interfere with plant growth. This study aimed to determine the best dose of tithonia compost to improve certain soil physical properties and increase the yield of green mustard in Ultisols. The study was conducted from March to May 2024 at the Greenhouse of the Department of Crop Production, Faculty of Agriculture, University of Bengkulu. This study used a Completely Randomized Design (CRD) with 6 treatments of tithonia compost doses with 3 replications. The treatments were 0 (control), 5, 10, 15, 20, and 25 ton ha-1. After mustard harvesting, undisturbed soil sample was collected from each polybag and analyzed for soil moisture, bulk density, and soil permeability. Fresh and dry weight of mustard were also measured after harvesting. The results showed that the highest improvement of selected soil physical properties was soil fertilized with tithonia compost at the rate of 15 ton ha-1, as shown in the decrease of bulk density and increase in soil moisture content, total pore space, and soil permeability. The application of tithonia compost at 5 ton ha-1 was adequate for the improvement of selected soil physical properties and nutrient release to the soil for green mustard cultivation. The findings of the study will benefit to crop management, especially mustard yield using tithonia compost in Ultisols.  
Pengaruh Tekanan Kerja, Stres Kerja, Kesehatan Mental Terhadap Kinerja Kariawan Perusahaan Distributor di Lombok Timur Asri, M. Abyan Naji; Ramdani, M. Syahru; Patoni, Ahmad; Sholihah, Nuro; Apriliani, Ririn
Jurnal Humanitas: Katalisator Perubahan dan Inovator Pendidikan Vol 10 No 4 (2024): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jhm.v10i4.34302

Abstract

Sektor distribusi memiliki karakteristik pekerjaan yang dinamis dengan tuntutan fisik dan mental yang tinggi, sehingga kinerja karyawan berpotensi dipengaruhi oleh kondisi psikologis selama bekerja. Penelitian ini bertujuan menganalisis pengaruh tekanan kerja, stres kerja, dan kesehatan mental terhadap kinerja karyawan pada perusahaan distributor di Kabupaten Lombok Timur. Penelitian menggunakan pendekatan kuantitatif dengan metode explanatory research. Data dikumpulkan melalui kuesioner tertutup yang disebarkan kepada 109 karyawan yang dipilih menggunakan teknik purposive sampling. Analisis data dilakukan melalui uji validitas, uji reliabilitas, uji asumsi klasik, serta analisis regresi linier berganda dengan bantuan SPSS versi 25. Hasil penelitian menunjukkan bahwa secara simultan tekanan kerja, stres kerja, dan kesehatan mental berpengaruh signifikan terhadap kinerja karyawan. Secara parsial, tekanan kerja tidak berpengaruh signifikan terhadap kinerja, yang mengindikasikan bahwa tekanan kerja masih berada dalam batas yang dapat ditoleransi. Sebaliknya, stres kerja berpengaruh negatif dan signifikan terhadap kinerja karyawan, sedangkan kesehatan mental berpengaruh positif dan signifikan. Temuan ini menunjukkan bahwa kondisi psikologis, khususnya stres kerja dan kesehatan mental, memiliki peran penting dalam menentukan kinerja karyawan. Oleh karena itu, perusahaan perlu fokus pada pengelolaan stres kerja dan upaya menjaga kesehatan mental karyawan guna meningkatkan kinerja secara berkelanjutan.