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...
Saadgedraagde aalwurms onder die vergrootglas
March 2017
SONIA STEENKAMP, LNR-Instituut vir Graangewasse, SURIA BEKKER, Eco-Nemaria en DRIEKIE FOURIE, Noordwes-Universiteit
Plantparasitiese aalwurms is mikroskopiese klein diertjies wat die wortels en ander ondergrondse gedeeltes – en in uit sonderlike gevalle die bogrondse gedeeltes...
Sclerotinia stem rot on soybean in South Africa
September 2017
LIEZL VAN DER HOVEN and PROF JACQUIE VAN DER WAALS, Department of Plant and Soil Sciences, University of Pretoria and DR MARIETTE TRUTER, ARC-Vegetable and Ornamental Plants, Roodeplaat
Sclerotinia sclerotiorum is a fungus that feeds...
Die effek van die droë toestande op dieresiektes
March 2016
JAN DU PREEZ, besturende direkteur: Instituut van Lewendehawe Tegnologie
Die effek en voorkoms van sekere belangrike dieresiektes gedurende droë toestande word kortliks bespreek. Dit is belangrik om die holistiese omstandighede en uitwerking van droë...
Biologie, babas, biotipes en biobeheer by plantluise — hoe pas alles in mekaar?
September 2015
JUSTIN HATTING, LNR-Kleingraaninstituut, Bethlehem
Kleingrane, soos koring, gars en hawer, dien as ’n belangrike voedselbron van plantluise, wêreldwyd. In Suid-Afrika word koring deur soveel as ses plantluisspesies as ‘n voedselbron gebruik. Hierdie plantluise sluit...
Salt-affected soils and waterlogging on irrigation schemes
October 2017
Dr Piet Nell, ARC-Soil, Climate and Water
At the very first South African Irrigation Congress held in 1909, much concern was expressed at the extent of salt- affected soils and the sediment content of...
Riglyne vir grondboonkultivars onder besproeiing
February 2017
LOUREINE MULLER, LNR-Instituut vir Graangewasse, Potchefstroom
Grondboonproduksie gaan gepaard met baie vrae wat deur die produsent gevra moet word, soos watter kultivar en tipe grond die geskikste gaan wees om die hoogste opbrengs te...
Irrigation wheat cultivars you can rely on
March 2017
KIM COETZEE and PETRUS DELPORT, ARC-Small Grain Institute, Bethlehem
The 2015 season was one of the most challenging production seasons for South African irrigation wheat producers. Soaring temperatures during the critical grain filling period...
Geintegreerde onkruidbestuur is presisie-onkruidbeheer
September 2015
CHARLIE REINHARDT, buitengewone professor in Onkruidwetenskap, Universiteit van Pretoria en dekaan: Villa Academy
"Presisieboerdery” is ‘n slim konsep, veral waar dit gemik is op die versekering van effektiewe, winsgewende
landbouproduksie. “Presisie” verwys na die verfyning...
Target-site herbicide resistance in ryegrass: A three-year summary
March 2018
HESTIA NIENABER and DR SCOTT SYDENHAM, ARC-Small Grain, Bethlehem
Ryegrass is the predominant grass weed species occurring in the small grain production areas of the Western Cape. Ryegrass is genetically highly variable and can...
