Using bats and birds to control macadamia crop pests
Biological pest control could speed up the farm-to-fork process and save the macadamia industry millions of rands, according to the initial results of an ongoing research project. The researchers have...
4 useful phone apps and technology for herd management
The latest herd management apps and associated technology can make a livestock farmer’s life considerably easier. Amongst other features, these digital marvels monitor cow health, reduce paperwork, provide accurate record-keeping,...
Research findings on pollination of Hass avocados
At the 2017 SA Avocado Growers’ Association research symposium, University of Pretoria researcher, Mart-Mari Nieuwenhuizen, presented new findings on the best pollinisers for Hass avocados. She also explored the effectiveness...
Understanding semi – hydroponic systems
Prof Gert Venter explains the benefits and disadvantages of semi-hydroponic structures.
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
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
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
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,...
Can mining and agriculture co-exist?
The spate of applications to explore large areas of South Africa for natural resources to mine is of increasing concern to the agricultural sector. Agri SA executive director, Omri van Zyl,...
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.
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