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Department of Agronomy
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Identifying and using tuber characteristics to predict potato keeping quality
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Potato production in South Africa occurs in all nine provinces of South Africa and it is further divided into 16 production areas. The trial was undertaken in the Sandveld and Ceres production areas, ... -
Does zinc influence germination, vegetative growth or yield of wheat (triticum aestivum)?
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Nutrients are essential to all life on earth. Nutrients are divided into macro and micro-nutrients. Macro nutrients such as proteins and carbohydrates for example are needed by organisms in large quantities ... -
Quantifying yield gaps for rain-fed maize (Zea Mays) in South Africa: A bottom-up approach
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Maize (Zea mays) is an important crop that supports livelihoods in South Africa (RSA) and most of the Sub-Saharan Africa (SSA) region. Currently, RSA is the biggest maize producer in the region, exporting ... -
Developing nitrogen fertiliser management strategies for wheat (Triticum aestivum) under conservation agriculture practices within the Western Cape
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Nitrogen (N) is one of the most limiting plant nutrients. Supplying enough N to growing crops is one of the most critical factors influencing wheat production. There has been a strong drive towards ... -
Allelopathic effects of green manure cover crops on the germination and growth of blackjack (Bidens pilosa L.) and rapoko grass [Eleusine indica (L.) Gaertn]
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The use of green manure cover crops to improve the nitrogen levels of soils and other physical as well as biological soil properties has been extensively researched and documented in several parts of the ... -
Establishment, growth and yield of canola (Brassica napus L.) as affected by seed-drill opener, soil quality and crop residue in the Swartland
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Canola (double low varieties of Brassica napus) is an important crop for farmers implementing conservation agriculture (CA). Famers implementing CA seek to minimise soil disturbance before, during and ... -
Strategic nitrogen fertilisation of kikuyu-based pastures over-sown with legumes
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Kikuyu (Pennisetum clandestinum)-ryegrass (Lolium spp.) pastures for dairy production in the southern Cape of South Africa often receive nitrogen (N) fertilisation rates in excess of 500 kg ha-1 yr-1. ... -
Effect of seasonal distribution and rate of nitrogen fertilisation on canola production and soil bacterial communities in the Western Cape
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Canola (Brassica napus) was introduced into crop rotation systems of South Africa in 1994. Ever since, canola production is expanding as the benefits of canola is recognised. Canola has a higher nutrient ... -
Phosphorus fertiliser source and its effect on potato (Solanum tuberosum L.) production
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Potatoes are an essential component in the diet of millions of consumers in developing countries such as South Africa. Potatoes play a major role in national food security, nutrition, poverty alleviation ... -
Cover crop management in a Sauvignon blanc/Ramsey vineyard in the semiarid Olifants River Valley, South Africa. 1. effect of management practices on selected grass and broadleaf species
(South African Society for Enology and Viticulture, 2005)This trial was conducted over a period of ten years on a sandy soil in a Sauvignon blanc/Ramsey vineyard in Lutzville (31°35’S, 18°52’E), situated in the semi-arid Olifants River Valley of the Western Cape. Twenty-three ... -
Cover crop management in a chardonnay/99 Richter Vineyard in the Coastal Region, South Africa. 2. effect of different cover crops and cover crop management practices on grapevine performance
(South African Society for Enology and Viticulture, 2006)The trial was conducted over a period of 10 years (1993/94 to 2002/03) on a medium textured soil in a Chardonnay/99 Richter vineyard near Stellenbosch (33°55’S, 18°52’E), situated in the Coastal Wine Grape Region of the ... -
Cover crop management in a chardonnay/99 Richter Vineyard in the Coastal Wine Grape Region, South Africa. 1. effect of two management practices on selected grass and broadleaf species
(South African Society for Enology and Viticulture, 2006)The trial was conducted over a period of 10 years (1993/94 to 2002/03) on a medium textured soil in a Chardonnay/99 Richter vineyard near Stellenbosch (33°55’S, 18°52’E), situated in the Coastal Wine Grape Region of the ... -
Cover crop management in a chardonnay/99 Richter Vineyard in the Coastal Region, South Africa. 3. effect of different cover crops and cover crop management practices on organic matter and macro-nutrient content of a medium-textured soil
(South African Society for Enology and Viticulture, 2007)The trial was conducted over a period of 10 years (1993/94 to 2002/03) on a medium-textured soil in a Chardonnay/99 Richter vineyard near Stellenbosch (33°55’S, 18°52’E), which is situated in the Coastal wine grape region ... -
The use of Flucarbazone-sodium to control wild oats (Avena spp.) in cultivated wheat fields of the Western Cape of South Africa
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Wild oats (Avena spp.) is a prominent weed in cultivated wheat fields of the Western Cape Province of South Africa. For the sustainable production of wheat, it is crucial to apply the correct herbicide ... -
Influence of calcium on yield and quality aspects of potatoes (Solanum tuberosum L.)
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The potato (Solanum tuberosum L.) is an adaptable crop, and modern varieties make its cultivation feasible in numerous parts of the world. The high production potential of the potato ensures that it has ... -
Response of wheat (Triticum eastivum L.), canola (Brassica napus) and medic (Medicago) to a once-off mouldboard and deep tine tillage in the Swartland sub-region of the Western Cape
(Stellenbosch : Stelllenbosch University, 2017-03)ENGLISH ABSTRACT: The study was done (2014 = year 1 and 2015 = year 2) at the Langgewens Research Farm of the Western Cape Department of Agriculture near Moorreesburg (33o17’00” S, 18o42’00” E; 191 m). The aim of this study ... -
Optimizing harvesting procedures of Amaranthus hybridus L. and A. tricolor L. under different watering regimes during hot and cool seasons in southern Mozambique
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Drought has been the major constraint for vegetable and food crop production in arid and semi-arid regions as is the case in southern Mozambique with a tropical dry savanna climate that is prone to droughts. ... -
Effect of intercropping and phosphorous application on the growth and yield of sweetpotato, groundnut and soybean.
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Sweetpotato (Ipomoea Batatas (L) Lam) is among the most important root crops in Mozambique. However, the yield is lower than its genetic potential due to poor soil fertility and poor agronomic practices. ... -
Influence of nutrient and light management on postharvest quality of lettuce (Lactuca sativa L.) in soilless production systems.
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Despite the ease in manipulating plant growth and development variables, meticulous management is required to achieve high yields and good quality crops in a soilless system. A deep understanding of the ... -
Rate and timing of nitrogen fertilisation for canola production in the Western Cape of South Africa
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Canola (Brassica napus) is increasing in popularity as a cereal crop in the Western Cape. Nitrogen (N) is generally the most limiting nutrient to canola production. Nitrogen fertiliser guidelines for ...
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