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Now showing items 1-3 of 3

The concentration of selected trace metals in South African soils

Herselman, Jacoba Elizabeth (Stellenbosch : University of Stellenbosch, 2007-12)

Trace elements occur naturally in soils, usually at low concentrations (<0.1% or <1000 mg kg-1 of the earth’s crust), as a result of weathering and pedogenic processes acting on the rock fragments from which soil develops ...
The effect of saline irrigation on selected soil properties, plant physiology and vegetative reproductive growth of Palsteyn appricots (Prunus armeniaca L.)

Volschenk, Theresa (Stellenbosch : University of Stellenbosch, 2005-12)

Approximately 45% of apricot tree plantings in South Africa are centered on Montagu, Koo and Barrydale in the Little Karoo. Below average production in this area could be ascribed to the deteriorating water quality of ...
Sanjeevak as a source of nutrients and phytohormones for production and propagation of plants

Orendo-Smith, Richard (Stellenbosch : Stellenbosch University, 2012-03)

ENGLISH ABSTRACT: The use of cowdung as an organic fertilizer in Asian and African agriculture is an ancient practice. This explains its renewed interest, partly due to the financial inability of most farmers to purchase ...