A study of the problem of phosphorus deficiency in South Africa mainly in relation to its effect on the phosphorus content of the blood of animals by Malan, Avril Are

Subjects: “…Soils -- Phosphorus content…”
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Die bepaling van toeganklike en reserwe fosfaat in die tabakgronde van die Transvaal by Du Toit, Jacobus Johannes

Subjects: “…Soils -- Phosphorus content…”
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Die gebruik van fosfor-32 in studies met betrekking tot seisoensopname van fosfaat deur vrugtebome en die bepaling van plantbeskikbare fosfaat in gronde by Deist, Jakob

Subjects: “…Soils -- Phosphorus content…”
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The root region microflora of plants and the L value of rock phosphate-enriched soil by Lategan, Stephanus

Subjects: “…Soils -- Phosphorus content…”
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The calcium and phosphate L values of a soil as affected by test crop and calcium phosphate form by Harry, Raymond Brydon Albert

Subjects: “…Soils -- Phosphorus content…”
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Phosphorus fertiliser source and its effect on potato (Solanum tuberosum L.) production by Ndou, Vhuthu

Subjects: “…Soils -- Phosphorus content…”
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The role of the biological soil-root interface in seasonal variation of N and P recycling for Aspalathus linearis by Du Toit, Elbe

Subjects: “…Soils -- Phosphorus content…”
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