​​PUBLICATIONS

2016

WIESE JD , Labuschagne J, AGENBAG GA

Soil water and mineral nitrogen content as influenced by crop rotation and tillage practice in the Swartland subregion of the Western Cape.


2015

SWANEPOEL PA , BOTHA PR, DU PREEZ CC, SNYMAN HA.

A critical view on the soil fertility status of minimum-till kikuyu–ryegrass pastures in South Africa


SWANEPOEL PA , BOTHA PR, DU PREEZ CC, SNYMAN HA, HABIG

Assessment of tillage effects on soil quality of pastures in South Africa with indexing methods.


SHOKO M, PIETERSE PJ , AGENBAG GA

Effect of superphosphate and mucuna (Mucuna pruriens) management options on soil organic matter, soil pH and physical properties of a kaolinitic sandy loam soil in Zimbabwe.


SWANEPOEL PA , Botha PR, du Preez CC, Snyman HA, Labuschagne J

Managing cultivated pastures for improving soil quality in South Africa: challenges and opportunities.


Botha PR, ZULU LB, van der Colf J, SWANEPOEL PA

Production potential of Italian and Westerwolds ryegrass established at different planting dates.


SWANEPOEL PA , Sanderson MA , BELL LW, THOMAS DT, BENNETT JE

Southern African pasture science in the 21st century.


NGEZIMANA W , AGENBAG GA

The effect of nitrogen and sulphur on the agronomical and water use efficiencies of canola (Brassica napus L.) grown in selected localities of the Western Cape province, South Africa.


DERBYSHIRE G , HOFFMAN EW , KEMPEN E

The role of nutrient solution composition on the uptake of nutrients, growth and vase life of tulips grown hydroponically under South African conditions.


VAN DER COLF J, BOTHA PR, SWANEPOEL PA

Optimising pasture growth through technology


2014

SHOKO M, PIETERSE PJ, AGENBAG G.A. 

Efficiency of mineral fertilizers and mucuna on the improvement of the yield of maize in Zimbabwe.  Pakistan Journal of Agricultural Sciences 2014; 51(1) : 17-23.


NGEZIMANA W, AGENBAG GA.

The effect of nitrogen and sulphur on the grain yield and quality of canola (Brassica napus L.) grown in the Western Cape, South Africa.  South African Journal of Plant and Soil 2014; 31(2) : 69-75. 


NGEZIMANA W, AGENBAG GA.

Nitrogen and sulfur effects on macro- and micronutrient contents in canola (Brassica napus L.) grown on acidic soils of the Western Cape Province of South Africa.  Communications in Soil Science and Plant Analysis 2014; 45(13) : 1840-1851.


NGEZIMANA W, AGENBAG GA

Effects of nitrogen and sulphur on seedling establishment, vegetative growth and nitrogen use efficinecy of canola (Brassica napus L) grown in the Western Cape Province of South Africa.  Journal of Cereals and Oilseeds, 5(2) : 4-11.


LE ROUX M, PHIRI EE, KHAN W, SAKIROGLU M, VALENTINE AJ, KHAN S

Expression of novel cytosolic malate dehydrogenases (cMDH) in Lupinus angustifolius nodules during phosphorous starvation.  Journal of Plant Physiology 171: 1609-1618. ​


2013

Mbangcolo MM, Reinten E.Y., Agenbag GA.

Effect of an organic plant fertiliser and species on the establishment of rooted cuttings of two species of Cyclopia ( honeybush).


Ntwana B, Agenbag GA, Langenhoven P.

Effect of pH on growth, mineral content and essential oil quality of Buchu (Agathosma betulina) grown under controlled conditions.


Mbangcolo MM, Reinten E.Y., Agenbag GA.

Effect of species,cutting position and exogenous rooting substance on rooting of honeybush (Cyclopia spp.) cuttings


​​​​​Van der Westhuizen RJ, van Rensburg LD.

Rapid procedure to calibrate EC-10 and EC-20 capacitance sensors in coir


2012

Ntwana B, Agenbag GA, Langenhoven P.

Growth, mineral content and essential oil quality of Buchu (Agathosma betulina) found in its natural habitat in the Cederberg Mountains.

Agenbag GA.

Growth, yield and grain protein content of wheat (Triticum aestivum L.) in response to nitrogen fertiliser rates, crop rotation and soil tillage


Shoko MD, Pieterse PJ, Agenbag GA.

The effects of superphosphate application and mucuna (Mucuna pruriens) management options on chemical characteristics of a sandy loam soil in Zimbabwe


CHAPTERS IN BOOKS

2016

SWANEPOEL PA , Labuschagne J, HARDY MB

Historical development and future perspective of conservation agriculuture practices in crop-pasture rotation systems in the Mediterranean region of South Africa.


INTERNATIONAL PROCEEDINGS

2017


MacLaren C, Swanepoel, PA, Dehnen-Schmutz K. 2017.

Applying invasibility theories to design cover crop mixes for weed suppression. 5th International Symposium Weeds and Invasive Plants. 10-14 October 2017, Chios, Greece.


Le Roux PJG, Swanepoel PA, Agenbag GA, Strauss JA. 2017.

Performance of tine and disc opener through residue for canola production. 7th World Congress on Conservation Agriculture 2017. Salón Metropolitano de la ciudad de Rosario, Argentina. 1 - 4 August 2017


Neethling PJ, Labuschagne J, Swanepoel PA. 2017.

Developing nitrogen fertiliser management strategies for wheat under conservation agriculture practices in the Western Cape, South Africa. World Congress on Conservation Agriculture 2017. Rosario, Santa Fe region, Argentina. 1-4 August 2017


Smit, E.H., Swanepoel P.A., Strauss, J.A. 2017.

Utilisation of cover crops by sheep in crop rotation systems. World Congress on Conservation Agriculture 2017. Rosario, Santa Fe region, Argentina. 1-4 August 2017


PROCEEDINGS NATIONAL

2017


Le Roux PJG, Swanepoel PA, Agenbag GA, Strauss JA.

Performance of an exchangeable tine and disc planter through residue for canola production. Combined Congress 2017. ATKV Klein-Kariba Holiday Resort, Bella-Bella, South Africa. 23-26 January 2017

Becker F, Le Roux MR, Swanepoel PA.

The effect of seasonal distribution of nitrogen on canola production. Combined Congress 2017. ATKV Klein-Kariba Holiday Resort, Bela Bela, South Africa. 23-26 January 2017

Smit EH
, Swanepoel PA, Strauss JA.


Variations in composition of cover crop mixtures. Combined Congress 2017. ATKV Klein-Kariba Holiday Resort, Bella-Bella, South Africa. 23-26 January 2017


Neethling PJ, Labuschagne J,
Swanepoel PA.


Influence of Nitrogen fertiliser application rate on flag leaf chlorophyll and -Nitrogen content of wheat during anthesis. Combined Congress 2017. ATKV Klein-Kariba Holiday Resort, Bella-Bella, South Africa. 23-26 January 2017

Silwana S, Le Roux MR, Swanepoel PA.

Establishment and placement of wheat and canola seed using a tine or disc seed-drill opener. Combined Congress 2017. ATKV Klein-Kariba Holiday Resort, Bella-Bella, South Africa. 23-26 January 2017


Jordaan B, Van der Colf, J, Swanepoel PA.


The effect of nitrogen fertilisation on dry matter production and botanical composition of grass-legume pastures in the southern Cape. GSSA Congress, Hoedspruit, 17-20 Augustus

Viljoen, C, Van der Colf, J, Swanepoel PA.


The effect of nitrogen fertilisation on the yield and botanical composition of kikuyu- based pastures. GSSA Congress, Hoedspruit, 17-20 Augustus

MacLaren C, Bennett JE, Swanepoel PA, Wright J, Dehnen-Schmutz K.

Diverse forage crop mixes for weed suppression in crop rotation systems. GSSA Congress, Hoedspruit, 17-20 Augustus