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How to Crop

Using manure as fertiliser: Mistakes to avoid

Livestock manure is a popular form of fertiliser, particularly when budgets do not allow for commercial fertiliser. But Dr Gerhardus Nortjé, a senior lecturer at Unisa, says that because manure...

Irrigating your home garden

If you apply too much water, you’re in danger of leaching nitrogen out of reach of the plant roots, says vegetable expert Bill Kerr.
Soil samples

Fertilisation: basic principles that every farmer should know

Achieving optimal yields is greatly dependent on providing crops with the right nutrition at the right time. Understanding the role of fertilisers and ensuring the correct application can make the...
watermelon

Know your watermelon varieties

The watermelon (Citrullus lanatus) originated in Africa, where tribes in arid areas used it as an emergency water source.
NASA plant physiologist Ray Wheeler checks onions being grown using hydroponic techniques.

Getting started with hydroponics

This new series will outline the basics of growing nutritious vegetables without the use of soil.
Balloon vine

Know your invasive species

This article looks at the beefwood, balloon vine and other species that, by law, have to be controlled or eradicated.
Keep earthworms to improve soil quality

Keep earthworms to improve soil quality

Earthworms play a crucial role in improving soil quality, and every farmer should try to maintain a healthy population of these remarkable creatures.
Get intercropping right to achieve the highest yield

Get intercropping right to achieve the highest yield

Careful plant selection and good process management will help ensure success.
Growing tomatoes: know the varieties

Growing tomatoes: know the varieties

Tomatoes are an important part of our diet, as well as being highly nutritious. Bill Kerr tells us more about this versatile fruit, and the varieties that are most suitable...
Syringa Tree

Syringa berries are highly toxic

Syringa berries are highly toxic to livestock as well as children and dogs, warns Prof Cheryl McCrindle of the University of Pretoria. No specific treatment is available, so caution is...
Home gardens: irrigate sensibly and economically

Home gardens: irrigate sensibly and economically

Most home vegetable gardens are irrigated incorrectly. Here’s how to get it right, says Bill Kerr.
Soya bean crop

The nitrogen replacement value of soya bean

Maize following this leguminous crop usually shows no nitrogen deficiency symptoms.

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Stats SA says thank you to the commercial farming community

The 2017 Census of Commercial Agriculture by Statistics South Africa showed that the total number of farming units involved in commercial agriculture in that year 2017 was 40 122, and...
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