How to Crop

Learn how to crop images, videos, and documents quickly with step-by-step guides and expert tips.

Groundnuts in a nutshell

A source of plant protein and oil, groundnuts are produced by commercial and subsistence farmers. ARC agronomist Loureine Salomon offers tips for growing this popular crop.

Don’t be tricked by pronkgras

Fountain grass (Pennisetum setaceum, or pronkgras in Afrikaans) can trick landowners into assuming that it is a relative of indigenous blue buffalo grass (Cenchrus ciliaris) and therefore valuable as a...

Dealing with powdery mildew

Unless a cucurbit variety has genetic resistance to powdery mildew, you will have to deal with this fungal disease at some stage.

Know your pests: Aphids

All aphids share the same basic body structure. They are small and soft-bodied with a tear-drop shape and sucking mouthparts. Their success is in part due to the prolific asexual...

Know your crop pests

In the coming months, entomologist Paul Donovan will explain how to identify crop pests and suggest various measures to control them.

Farming hydroponically – part 3

Hydroponics is a popular way to grow vegetables because of the high quality of the produce and efficient water use. If you use a greenhouse, you can supply vegetables out...

Farming hydroponically – part 2

Here’s what you need to start farming hydroponically.

Carrot pests and diseases

Protecting carrots from nematodes, leaf and bacterial blight and white mould.
Spinach: a step-by-step guide on how to grow it

Spinach: a step-by-step guide on how to grow it

Spinach is a cool weather crop that doesn’t grow well in hot summer months when the days are long. The best temperature for growing spinach is between 16ºC and 24ºC.

Protecting a carrot crop

Weeds have a negative impact on plant growth and reduce crop yields.

Solving soil problems improves uptake

Compost can make soil healthier and more productive without costing the earth.

Protecting your plants

One of the most important functions of the food web is to suppress pests and diseases.
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