Relationship of historical copper mining to the transport and accumulation of trace metals and salts in semi-arid environments : an example from Buffels River, Northern Cape, South... by Dunford, Alexander

Subjects: “…Soils -- Quality -- South Africa -- Kleinzee…”
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Investigating the potential of medicinal perennial species as permanent cover crops in deciduous orchards and vineyards by Petzer, Heleen

Subjects: “…Soils -- Quality…”
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Determinants of yield impact and adoption of conservation agriculture among smallholder farmers in Zimbabwe

Subjects: “…Soil quality…”
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