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hydroponic system in Spain,

The origins of hydroponic farming

While hydroponic farming has been around since the Middle Ages, many developments over the years have made it far more efficient and affordable. Prof Gert Venter explains.
Light and its effects on plant growth

Light and its effects on plant growth

The most important variable affecting plant growth is light exposure, and it is therefore important to measure the amount of light your plants receive. Prof Gert Venter explains how this...
Simple and effective ways to beat the heat and the frost

Simple and effective ways to beat the heat and the frost

Prof Gert Venter discusses an affordable, easy-to-implement measure to protect a crop from extreme weather. No fuel or electricity is used, resulting in considerable cost savings.

The use of seawater greenhouses in hydroponics

Seawater greenhouses may be the answer to the world’s water scarcity problem, says Prof Gert Venter.
Hydroponic water requirements

Hydroponic water requirements

About 70% of the earth is covered with surface water, but 97% of this is seawater. With only 3% consisting of freshwater, and less than 1% available to living organisms,...
Hydroponics: planning your project

Hydroponics: planning your project

The saying, “If you fail to plan, you plan to fail” is certainly applicable to intensive farming systems such as hydroponics and aeroponics. Planning should encompass climate control, handling, processing,...

Hydroponics: know your plants’ growth requirements

In this instalment of our series on alternative crop production methods, international hydroponics consultant, Prof Gert Venter, outlines the various elements that plants need for optimal growth.
Hydroponics-basic-mistakes-and-how-to-avoid-them

Hydroponics: basic mistakes and how to avoid them

In the second instalment of our series on alternative crop production methods, international hydroponics consultant, Prof Gert Venter, highlights common mistakes made by farmers.
The common earwig (Forficula auricularia) attacking a stemborer.

Beneficial insects can help farmers control pests

Crop farmers often unknowingly lump all insects into the ‘destructive’ category. However, according to Dr Annemie Erasmus of the Agricultural Research Council’s Grain Crops Institute, many are beneficial to crop...
Producing-strawberries-using-hydroponic-and-greenhouse-technologies

Is hydroponics the answer to global food challenges?

In the first of a series on alternative crop production methods, international hydroponics consultant, Prof Gert Venter, explores hydroponics as a viable solution to global food security challenges, including water...
The Greendrum system

Ultrasonic sound used in drip irrigation line cleaning

An ultrasound cleaning technology for drip irrigation systems, produced by SA inventor Leon Lingnau and marketed as Greendrum, was proven to be highly effective during recent trials by the Agricultural...

A naturally potent biocide

Eco-Lyte is an environmentally-friendly disinfectant that eliminates pathogens. Gerhard Uys spoke to Rowan McDonald, chief technical officer at ECA Technologies Africa, about the new technology.

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Suspended Director General (DG) of the Department of Agriculture, Forestry and Fisheries (DAFF), Mike Mlengana, has said that the preliminary charges issued against him were a gross misrepresentation of the...

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