ONKRUIDSAAD – ‘n suksesstorie
March 2017
ELBÉ HUGO, LNR-Instituut vir Graangewasse, Potchefstroom
Voortplanting is een van die belangrikste funksies van enige biologiese organisme. Onkruide is een van die suksesvolste plantspesies in terme van saadvermeerdering en -verspreiding.
Alhoewel die meeste onkruidspesies slegs...
Dekgewasbestuur se effek in wintergraanstelsels
Deel 1: Impak op die hoeveelheid oorblywende residu’s en beskikbaarheid van voedingstowwe in die deklaag
Die Swartland beskik oor ’n Mediterreense klimaat met 80% van die jaarlikse reënval wat tussen April en September voorkom (Agenbag,...
Improve irrigation efficiency by applying a water balance
October 2017
Felix Reinders, ARC-Agricultural Engineering
Through intensive research, the ARC-Agricultural Engineering, together with other disciplines, developed a South African framework for improved water efficiency. The framework was applied to re-assess the system efficiency indicators typically...
A look at Exserohilum leaf blight of sorghum
September 2016
MARYKE CRAVEN, ARC-Grain Crops Institute, Potchefstroom
Leaf diseases are problematic in crops for various reasons, one being that they damage that part of the plant tasked with the production of glucose (sugars). Every square...
Bemesting: Wanneer is hoeveel nodig?
July 2015
PIETMAN BOTHA, SA Graan/Grain medewerker
Vir enige gewas om optimaal te produseer, moet die nodige bemestingstowwe altyd op die regte tye beskikbaar wees. Watter bemestingstowwe is dus die belangrikste, hoe werk hulle en wanneer...
Yield improvement of dryland wheat cultivars in the Western Cape – what is the...
October 2017
Dr Ian Heyns and Dr André Malan, ARC-Small Grain, DR Mardé Booyse, ARC-Biometry and Prof Maryke Labuschagne, Department Plant Sciences, University of the Free State
Wheat is considered one of the primary staple foods...
Sit die natuur se boelies op hul plek met effektiewe onkruidbeheer
September 2017
Dr Maryke Craven, Marlene van der Walt en dr Jeanetta Saayman-du Toit, LNR-Graangewasse, Potchefstroom
“After a walk, Swiss engineer George de Mestral observed burs from common burdock (Arctium minus) stuck to his woolen pants and his dog’s...
The new wheat kids on the block
October 2017
Kim Coetzee, ARC-Small Grain, Stellenbosch
Two new wheat cultivars will soon be available as part of the ARC-Small Grain irrigation wheat package. Certified seed multiplications for the two cultivars are currently under way and...
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...
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...
