Salam, Abdul Kadir (1997) Heavy Metals Factors in Manufacturing and Utilizing Chemical Fertilizers for Agriculture. Pros Seminar Nasional Identifikasi Masalah Pupuk Nasional dan Standardisasi Mutu yang Efektif. pp. 103-111. ISSN 979-95600-0-4

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Abstract

Some heavy metals are micronutrients but most are not essential for plants and humans. All heavy metals are toxic if their concentrations in soil systems are relatively high. Unfortunately, chemical fertilizers are not free from heavy meta1 contaminants. The use of chemical fertilizers in agricultural lands should therefore be restricted by their heavy metal contents, particularly if used in acid soils where heavy-metal solubilities and toxicities are particularly high. Heavy metal contents should also be considered in manufacturing chemical fertilizers for agriculture.

Item Type: Article
Uncontrolled Keywords: Chemical Fertilizers. Heavy Metals
Subjects: S Agriculture > S Agriculture (General)
Divisions: Fakultas Pertanian (FP) > Prodi Ilmu Tanah
Depositing User: Abdul Kadir Salam
Date Deposited: 26 Apr 2018 03:57
Last Modified: 26 Apr 2018 03:57
URI: http://repository.lppm.unila.ac.id/id/eprint/6395

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