Agricultural lime and commercialisation of small-scale farmers
One of the greatest opportunities to grow agricultural production, reduce unemployment and accomplish true economic empowerment, lies in the commercialisation of small-scale and subsistence farmers in South Africa. The majority of South Africans are...
Procedures in the diagnosis of plant diseases: The path to effective control measures
September 2017
Drs Adrian Abrahams and Belinda Janse van Rensburg, ARC-Grain Crops, Potchefstroom
Plant health problems usually arise from a variety of abiotic (environmental factors such as cold, heat, salinity, drought) and biotic (plant pathogens causing...
A look at subsoiler or ripper efficiency
August 2017
JOHAN VAN BILJON and DR TINGMIN YU, ARC-Agricultural Engineering
Why is ripping necessary? When tractor and implements are used, soil compaction may take place because of the texture of the soil and plough-pan effect...
Grondboonoestyd: ‘n Paar wenke vir sukses
February 2017
LOUREINE MULLER, LNR-Instituut vir Graangewasse, Potchefstroom
Deur die hele groeiseisoen probeer die produsent sy beste om ‘n goeie oes te lewer. Daar is wel ‘n klomp faktore soos plantdiepte, siektedruk en waterbeskikbaarheid wat ‘n...
Alternaria leaf blight and seed infection: A common disease causing major damage
May 2017
PROF BRADLEY FLETT, ARC-Grain Crops, Potchefstroom
Alternaria leaf blight is caused by Alternaria alternata, which is the predominant Alternaria spp. Of sunflower responsible for significant yield losses in South Africa. A recent five year survey carried out...
Community seed banks: Farmers’ platform for crop conservation and improvement
March 2016
THABO TJIKANA, NKAT MALULEKE and MPOLOKENG MOKOENA, all from the Directorate: Genetic Resources, Department of Agriculture, Forestry and Fisheries and RONNIE VERNOOY and BHUWON STHAPIT, both from Bioversity International
Agricultural biodiversity, also called agrobiodiversity,...
Bemesting van mielies — waar, wanneer en hoekom?
July 2015
ANDRÉ LABUSCHAGNE en KOBUS VAN ZYL, landboukundiges: Omnia Kunsmis
Met die onlangse droogtes en swakker opbrengste asook die koste-knyptang wat al hoe harder knyp, is produsente gedwing om elke dag meer effektief te wees...
Earthworms and its role in soil
July 2017
CHARNÉ MYBURGH, ARC-Grain Crops, Potchefstroom
Earthworms are cylindrical, segmented worms from the phylum Annelida. They live in the soil, feeding on living and dead organic material. More than 2 000 earthworm species have already been...
Tydigheid: Die belangrikste aspekte van graanproduksie – meet jouself hieraan
August 2017
Pietman Botha, SA Graan/Grain medewerker
As ‘n spesifieke gewas ná die optimale plantvenster van die gewas geplant word, is die gewas se verwagte opbrengs laer is. Gewoonlik beteken dit dat die gewas nie optimaal sal produseer...
Kunsmis: Goed of sleg vir mikrobiese gemeenskappe en erdwurms?
July 2015
CHARNÉ MYBURGH, LNR-Instituut vir Graangewasse
Tot onlangs nog is slegs gefokus op die fisiese en chemiese aspekte van grondkunde, maar nie op die biologiese aspekte nie. Erdwurms en grondmikroörganismes is egter baie belangrike rolspelers...
