How to Crop

Some farming enterprises, such as wild harvesting, require particular care to ensure long-term sustainability and protect the environment.

Pecans are not only delicious; they are amongst the healthiest nuts available, says vegetable specialist Bill Kerr.

Tomato seedlings grow best in a well-drained seedbed under full sun and protected from strong wind. Irrigation should be frequent but light.

This winter weed is widespread throughout Southern Africa. It has small seeds and is a shallow germinator.

This crop is targeted by a wide range of pests. Infestation will vary from place to place, and from season to season, but some form of pest control will invariably be necessary.

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 varies in its composition and nutrient density, farmers should take care not to over-apply it and risk damaging their crops.

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.

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 difference between profit and loss.

The watermelon (Citrullus lanatus) originated in Africa, where tribes in arid areas used it as an emergency water source.

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

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

Earthworms play a crucial role in improving soil quality, and every farmer should try to maintain a healthy population of these remarkable creatures.

Careful plant selection and good process management will help ensure success.

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 for growing at home.

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 advised.

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

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

No garden is complete without this underrated and versatile vegetable, says Bill Kerr.

This fungal disease can wipe out a dry bean crop. Here’s how to prevent, and treat, this problem.

Soil tillage, particularly primary tillage, is the foundation of every crop production system and the main cost factor in maize production.