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Response of five soybean (Glycine max (L.) Merr.) cultivars to lime and phosphorus on an acid Normandien subsoil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.D. Noble --- Department of Crop Science, J.D. Lea --- Department of Crop Science, M.V. Fey --- Department of Soil Science and Agrometeorology,Five soybean cultivars (Hill, Geduld, Forrest, Welkom and Oribi), previously selected for Al tolerance or sensitivity by a rapid seedling evaluation method, were grown in acid soil treated with varying rates of lime and P. After 35 days the plants... -
Genotypic tolerance of selected dry bean (Phaseolus vulgaris L.) cultivar s to soluble Al and to acid, low P soil conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.D. Noble --- Department of Crop Science, J.D. Lea --- Department of Crop Science, M.V. Fey --- Department of Soil Science and Agrometeorology,Twelve dry bean cultivare were grown for seven days on filter paper soaked with nutrient solution containing a range of up to 10 mmol Al dm−3. Differential response to Al toxicity, measured as taproot elongation, occurred at Al concentrations of... -
Lime-phosphorus interactions in the growth of temperate pasture species on highly-weathered soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N. Miles --- Department of Agricultural Development, Republic of South Africa R.J. Eckard --- Department of Agricultural Development, Republic of South AfricaLime and phosphorus (P) requirements for the growth of temperate pasture species on acid, well-drained soils in the Natal Midlands were evaluated in factorial field trials. Species studied were white clover (Trifolium repens), tall fescue (Festuca arundinacea) and Italian ryegrass... -
Amelioration of acidic soil with an ettringitic by-product of waste water treatment
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.V. Fey --- Department of Geological Sciences, South Africa I.R. Tomlinson --- Department of Geological Sciences, South Africa J.P. Willis --- Department of Geological Sciences, South AfricaEttringite (Ca12AI14(OH)24(SO)6 52H2O) is the main by-product of a saline water beneficiaron process currently being evaluated by coal-based industries. The study aimed to quantify and explain the benefits of using this alkaline waste to ameliorate acidic soils by comparing its... -
Effects of sugar cane (Saccharum hybrid sp.) cropping on soil acidity and exchangeable base status in Mauritius
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L. R. Ng Cheong --- , Mauritius K. F. Ng Kee Kwong --- Department of Soil, Crop and Climate Sciences, South Africa C. C. Du Preez --- , MauritiusContinuous sugar cane cropping commonly leads to soil acidification. Such an effect can be attributed to N fertilization and to leaching and removal of exchangeable bases. A study was conducted on the five zonal soils of Mauritius to ascertain whether... -
Final Findings on the Response of Eucalyptus grandis to Fertilising at De Kaap, Eastern Transvaal
Item type: Journal Article • Journal: South African Forestry Journal • Authors: M.A. Herbert --- , South Africa D.A. Jackson --- , South Africa R.Verloren van Themaat --- , South AfricaThe final results are presented of a pair of fertiliser experiments with a seedling crop of Ecucalyptus grandis on fully cultivated sites, one of which incorporated the application of dolomitic lime. Liming had a strong effect on the response of... -
Relationship between Growth Rate and Foliar Concentrations of Nitrogen, Phosphorus and Potassium for Eucalyptus grandis
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. P.G. Schönau --- , Republic of South Africa M.A. Herbert --- , Republic of South AfricaThe growth responses to applications of N, P, K and lime are described briefly for four comprehensive fertiliser experiments with Eucalyptus grandis. Foliar concentrations of N, P and K were determined for these experiments, and their relationship to growth rate... -
Potential use of wood ash in South African forestry: a review
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Gerhardus P Scheepers --- Department of Forestry and Wood Science, South Africa Ben du Toit --- Department of Forestry and Wood Science, South AfricaThe use of landfills as a disposal method for wood ash is costly, environmentally detrimental and is pitted against increasingly stern environmental regulations. Literature has shown that wood ash has the potential to be used as a forest fertiliser and... -
The effectiveness of coal fly ash in the amelioration of acid soils of the South African highveld: a comparison with conventional liming materials
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: JR Harper --- , South Africa I Mbakwe --- , South AfricaSoil acidity is one of the greatest limitations to crop production in South Africa, while the country’s coal-fired power plants generate millions of tonnes of alkaline coal ash per year. A field experiment was carried out to evaluate the liming... -
Effect of lime source, fineness and granulation on neutralisation of soil pH
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Dawid JJ du Toit --- , South Africa Pieter A Swanepoel --- , South Africa Ailsa G Hardie --- , South AfricaLittle information is available regarding the liming efficiency of various local lime sources and products currently available in South Africa. Recently, granulated micro-fine limes are being widely marketed as being superior to class A limes. Therefore, the aim of this...