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All Journal ASRO JOURNAL - STTAL TERRA : Journal of Land Restoration
Agustian, Indra
Department of Soil Science, Faculty of Agriculture, University of Bengkulu
Decision Sciences, Operations Research & Management Earth & Planetary Sciences Engineering Industrial & Manufacturing Engineering Other

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Application of a Dielectric Measurement Technique for Calculating Water Loss from Two Texture-contrasting Soils Grown with Upland Rice Hermawan, Bandi; Pajrina, Pajrina; Sumardi, Sumardi; Agustian, Indra
TERRA : Journal of Land Restoration Vol 1, No 1 (2018)
Publisher : Department of Soil Science, Faculty of Agriculture, University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.1.1.8-14

Abstract

Most of the water loss from the soil profile occurred through the evapotranspiration process especially when the plant covers were under maximum growth periods.  This study aimed to apply a technique of measuring a dielectric variable for calculating soil water content and crop water use in the coarse and medium textured soils grown with upland rice.  A couple of wires were inserted into the soil repacked in a 10-kg polybag grown with upland rice, the electrical impedance representing the dielectric value was measured using an instrument called the impedance meter.  The impedance values were converted into the soil water content using a nonlinear regression model of ? = a.ebZ where a and b were constants.  Results showed that the proposed technique of measuring the electrical impedance has successfully been applied to calculate the soil water content and the water use by upland rice grown in loamy sand and sandy loam soils.  Cumulative water loss from loamy sand was about 4 L plant-1 higher for the coarse loamy sand in the first 30 days of a measurement period, but about 10 L plant-1 higher for finer sandy loam on the 90th day of the rice growth period.  Higher biomass of upland rice in the sandy loam soil could increase the evapotranspiration rates and be the main reason for higher water use in this soil.
INNOVATION IN THE DEVELOPMENT OF STTAL HUMAN RESOURCES TO FACE THE 4.0 INDUSTRIAL REVOLUTION Apriyani, Risa; Bastari, Avando; Suharjo, Bambang; Agustian, Indra
INTERNATIONAL JOURNAL OF ASRO - STTAL Vol 10 No 1 (2019): International Journal of ASRO
Publisher : Indonesian Naval Technology College - STTAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (207.324 KB)

Abstract

In the era of the Industrial Revolution 4.0. this is where technology and technology have been very advanced demanding competent human resources who have high morale and discipline in carrying out their roles and functions for both the individual and the objectives of the organization. In the role and contribution of STTAL in the Industrial Revolution 4.0, the current conditions, where the quality of human resources both students, lecturers, and Antap STTAL are considered unable to answer the challenges in the cyber field so that strategic decision-making and steps are needed to be able to accompany the development of science and technology while carrying out missions STTAL is to hold a higher education program to produce human resources with Indonesian character and personality, quality and relevant science and technology based, with defense needs in the military, maritime and maritime fields. With SWOT analysis, a matrix will be obtained which shows the strengths and weaknesses as well as opportunities and threats which will later be used as a reference to make the right and appropriate strategies.  Keywords: SWOT Analysis, STTAL HR Quality, Industrial Revolution 4.0
Co-Authors Apriyani, Risa Bandi Hermawan Bastari, Avando Pajrina, Pajrina Suharjo, Bambang Sumardi Sumardi