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All Journal Media Gizi dan Keluarga Journal of Degraded and Mining Lands Management
M Muchtar
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Health Professions

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Anemic Status and Academic Achievement at Female High School Students in Kapuas M Muchtar; Dodik Briawan; Emmy S Karsin
Media Gizi dan Keluarga Vol. 24 No. 2 (2000): Jurnal Media Gizi dan Keluarga
Publisher : Media Gizi dan Keluarga

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Abstract

Research objectives were to analyze the association between anemic status and academic achievement of female students at high school. Sixty female students at the second grade at SMUN I Kuala Kapuas in Kapuas District were chosen as samples, which 30 students classified as anemic group and the rest of non-anemic. The anemic status was categorized based on the haemoglobin (Hb) by Sahli-test. Among 90 samples at the first screening, it was found 60 students having Hb < 12 g/dl. The proportion of anemic students were 66.7% and their average Hb was 11.2 g/dl Hb. Comparing the anemic and non-anemic groups, there were no significantly difference (p=0.613) of parents education term, total of family members (p=0.943), total income per capita (p=0.408), and iron intake (p=0.167). However, vitamin C intake was significantly different between anemics and non anemics students (p=0.001). There were significantly different between anemic and non anemic student at the academical achievement, where the subject score of Mathematic, Natural Science, and Social science (p=0.031) were higher among the non anemic than those anemic. Meanwhile, the score of Indonesian language and Literature subjects were no significantly difference. The correlation analysis showed the Hb values was highly associated with the academical score of Natural Science, Mathematic, and Social Science subjects, but not correlated at the Indonesian Language and Literature subjects.Keywords: anemia, academic achievement
Soil organic matter status and penetration resistance at alley cropping system on degraded acid dryland Yustika, R D; Muchtar, M
Journal of Degraded and Mining Lands Management Vol. 4 No. 1 (2016)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2016.041.675

Abstract

Soil has important functions, one of which acts as a growing medium for plants so the soil environment should be able to support the growth and development of the plants in taking water and nutrient needs. The purpose of this study was to elucidate the effect of alley cropping on improvement of soil organic C status, and its impact on soil penetration. Observations of soil organic C status were done in 2008, 2011, and 2014, while observations of soil bulk density, C/N ratio, and penetration were conducted in 2014. Soil penetration was measured using penetrologger. Alley cropping systems applied were Flemingia congesta, Leucaena glauca, and Gliricida sepium. The results showed that the presence of hedgerow trees in alley cropping systems could supply organic materials periodically and could increase the content of organic C. The results of measurements of soil penetration in the surface layer (0-5 cm) showed low penetration values. The penetration value increased with increasing soil depth with the highest penetration value was at the depth of 15 cm.
Co-Authors Dodik Briawan Emmy S Karsin Yustika, R D