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Introduction Mr G B Portsmouth
Soil Plant and Animal Dr J Grashuis 12
Mineral Elements and Parasitic
aconitase aconitase activity active transport alkaline aluminium amino acids animals apoferritin appear ascorbic binding Biochem biosynthesis boron Ca2+ cadmium calcium Cardwellia sublimis cations cell sap cell walls cellular chelating agent chlorosis chlorotic complex compounds concentration copper cows cupric ion deficient plants DeKock disease effects enzyme excess farms ferric ferritin ferrous fertilizers fractions glycine grass samples grass tetany haem high nitrogen nutrition host cell host tissues important incorporation increase inducing inhibited interactions intracellular iron deficiency known large numbers leaf Manganese deficiency membrane metabolism metal ions Mg2+ micronutrient microsomes mineral elements mitochondria molecular molecules nucleic acids nucleotide organisms oxidation parasite particles pastures phosphate phosphorus potassium powdery mildew present purine quantities ratio reaction reduced role root serum albumin silicon soluble studies substances substrate synthesis tetany tobacco mosaic virus toxic trace elements University of Cape uptake uranium urinary protein yeast zinc