Masters Degrees (Soil Science): Recent submissions
Now showing items 21-40 of 73
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Influence of tillage and cropping sequence on the soil physical properties, water balance and water use efficiency of wheat (Triticum aestivum L.) and canola (Brassica napus) under rainfed-conditions in the Rȗens sub-region of the Western Cape
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: Conservation agriculture has become a very important management strategy around the globe with research showing that decreases in soil disturbance tend to improve soil physical properties over time and ... -
The effect of inorganic fertilizer application on compost and crop litter decomposition dynamics in sandy soil
(Stellenbosch : Stellenbosch University, 2015-03)ENGLISH ABSTRACT: Inorganic fertilizer applications are common practice in commercial agriculture, yet not much is known regarding their interaction with organic matter and soil biota. Much research has been done on the ... -
Stochastic modelling of soil carbon stocks under different land uses: a case study in South Africa
(Stellenbosch : Stellenbosch University, 2015-03)ENGLISH ABSTRACT: The research was conducted in the Kwa-Zulu Natal midlands, South Africa. The vertical distribution of soil organic carbon (SOC) stocks were successfully predicted by stochastic exponential models developed ... -
Influence of Acid Mine Drainage on the soils of Nababeep, Namaqualand with reference to soil chemistry, minerals and metal mobility
(Stellenbosch : Stellenbosch University, 2015-03)ENGLISH ABSTRACT: The Okiep copper district in the north-western corner of South Africa is a region that has been mined for over 150 years. Most mining operations have ceased, but years of mining has left the area scattered ... -
Investigation of soil quality (health) in commercial production of rooibos tea (Aspalathus linearis) in the Western Cape, South Africa
(Stellenbosch : Stellenbosch University, 2014-04)ENGLISH ABSTRACT: The global demand for rooibos tea (Aspalathus linearis) has steadily increased over the past five years thanks to the increased awareness of its health benefits, while rooibos tea production has decreased. ... -
The effect of long-term no-till crop rotation practices on the soil organic matter functional pools
(Stellenbosch : Stellenbosch University, 2014-04)ENGLISH ABSTRACT: Total soil organic matter (SOM) and its different functional pools (fractions) are important attributes of the physical, chemical and biological quality of the soil and are seen as key factors in the ... -
The degradation of atrazine by soil minerals : effects of drying mineral surfaces
(Stellenbosch : Stellenbosch University, 2014-04)ENGLISH ABSTRACT: The herbicide atrazine (ATZ, 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine) has been identified as an environmental endocrine disruptor and possible human carcinogen. The presence of atrazine, ... -
Evaluating the effect of crop rotations and tillage practices on soil water balances of selected soils and crop performances in the Western Cape
(Stellenbosch : Stellenbosch University, 2014-04)ENGLISH ABSTRACT: The aim of this study was to investigate the influence of crop rotation and soil tillage on the soil water balance and water use efficiency of wheat, canola, lupin and medics in the Swartland sub region ... -
Increased water productivity in irrigated tomato production in the smallholder farming community of Giyani
(Stellenbosch : Stellenbosch University, 2014-04)ENGLISH ABSTRACT: The availability of water for irrigation purposes is becoming a serious concern for smallholder famers in the former homeland areas of South Africa. Not only because of global weather change and the ... -
Gully erosion in the Sandspruit catchment, Western Cape, with a focus on the discontinuous split gully system at Malansdam
(Stellenbosch : Stellenbosch University, 2013-12)ENGLISH ABSTRACT: Gully erosion is a major environmental problem not only having direct influences on site but also indirect influences felt further down the catchment. Combating gully erosion has proven to be elusive due ... -
Evaluation of the effects of an orange-oil based soil ameliorant on soil water management
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: Soil amelioration and conditioning is desirable and in many cases essential, due to increasing food demand and the deterioration and exhaustion of soils. A new soil ameliorant, consisting of orange oil ... -
Evaluation of the effect of an orange oil based soil Ameliorant on selected soil physical properties
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: A new orange oil based soil ameliorant is available on the market. Apart from the orange oil, the other main constituents of the product are a nonionic surfactant and an anionic surfactant. Surfactants ... -
Rain events based hillslope hydrological processes at the Langgewens Experimental Farm, Western Cape, South Africa
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: Hillslope hydrology represents a complex system with several interacting processes influencing the movement of water through the landscape. The Western Cape area of South Africa is expected to be impacted ... -
Influence of soil texture, water management and fertilizer N on the biomass production and antimicrobial properties of Mentha longifolia L.
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: Soil texture, plant available water and fertilizer N would influence growth, biomass production and antimicrobial properties of locally used medicinal plants.This research was aimed at investigating how ... -
The effect of long-term tillage practices on selected soil properties in the Swartland wheat production area of the Western Cape
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: The effect of long-term tillage on basic soil properties with respect to sustainability was investigated in this dissertation. Over the last three decades soil conservation has become an important ... -
Carbonate-bearing eruptives between the Great Karas Mountains and the Bremen igneous complex, South West Africa
(Stellenbosch : Stellenbosch University, 1975-12)ENGLISH ABSTRACT:Minor carbonate-bearing bodies of igneous origin are widely distributed in the Karasberg district, South West Africa. The area in which they occur consists of granites and gneisses of the Namaqualand ... -
Grondeienskappe en wingerdprestasie in die Bonnievale-omgewing
(Stellenbosch : Stellenbosch University, 1973-12)ENGLISH ABSTRACT: no abstract available -
Quantification of the compaction problem of selected vineyard soils and a critical assessment of methods to predict soil bulk density from soil texture
(Stellenbosch : Stellenbosch University, 1989-03)ENGLISH ABSTRACT: Besides this overall abstract, each chapter has a separate.abstract under its own heading. Soil compaction is a problem common to many South African vineyard soils, and it has substantial adverse ... -
Gronde van die Piketberg-Portervillegebied
(Stellenbosch : Stellenbosch University, 1966-12)AFRIKAANSE OPSOMMING: Die twaalf grondseries wat gedurende die opname in die gebied gedek deur 1 : 50 000 vel, Piketberg 3218DD aangetref is, word beskryf. Terselfdertyd word die morfologiese en chemiese eienskappe ... -
The soils of the Wellington-Malmesbury area
(Stellenbosch : Stellenbosch University, 1965-12)ENGLISH ABSTRACT: The fifteen soil series encountered in the survey of the area covered by the 1:50,000 topographical sheet, Wellington 3318DB are described. The morphological and chemical features as well as distribution ...