Field Crops

Making money from muck

Nutrient-rich dairy slurry was once considered a liability and a pollutant, but the current high fertiliser price has changed all that, says dairy technical consultant Gavin Brockett. Robyn Joubert spoke...

Good choices keep costs down

The winner of the Berg River Table Grape Competition for 2008 Johann Britz of the farm Tweespruit near Paarl, chose a pitted grape cultivar because he believed it was best-suited...

Humates: snake oil or valuable resource?

While humates are promoted as an almost magic potion by some, sub-standard products have battered their reputation. Glenneis Erasmus talked to several agriculturists to find out what they are, how...

Clearing aliens the environmentally friendly way

In South Africa, eradicating invasive woody alien vegetation for alternative land use is normally a relatively heavy-handed method involving big drums of diesel or water and herbicide.

‘We’re going to be the Brazil of Africa’

While much is still uncertain about the local biofuel industry, Mozambique is already planting vast jatropha plantations for biodiesel production. The country's minister of Science and Technology has announced that...

New top cultivars at Nampo

Seed breeders and suppliers provided colourful and informative exhibition stands yet again at Nampo Harvest Day 2007. In this week, we introduce you to some new champions in the field...

Mealybugs: villains of the vine

Last week's article showed the impact that leafroll virus can have on vine quality and production, and stressed the need for vigorous measures against mealybug. This week Glenneis Erasmus covers...

Leafroll virus is not so innocent

While its true that the leafroll virus doesn't destroy grapevines, it can nevetheless have a severe impact, often resulting in crop losses of up to 60%, which adversely affects wine...

Clean green salads all year round

Growing salad crops in hydroponic systems boosts production and creates a year-round supply. However, the system is capital-intensive and requires careful monitoring. Glenneis Erasmus spoke to hydroponic lettuce producers Duncan...

Biofuels sweetener for sugar beet pioneers

Fish River Valley farmers have heard wild promises before that growing sugar beet would save them from relying on maize and lucerne crops prone to price volatility and ostrich exports...

New guidelines for Cape no-till wheat

New dynamic recommendations for row width and planting density in Western Cape conservation tillage systems have been developed by key players in agriculture, including Dr Mark Hardy (Western Cape Department...

Thwarting the sirex wasp’s invasion of SA

Ever since the highly destructive sirex woodwasp reached our shores in 1994, its devastation of pine plantations has resulted in a R300 million loss for the local timber industry. The...

WHAT TO READ NEXT

Farmers welcome sharp decline in fuel prices

Farmers welcome sharp decline in fuel prices

The large drop in the diesel price that can be expected for December, as announced by the Automobile Association (AA) on Thursday, will be especially beneficial to crop producers who...

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