The clever trick can help gardeners to naturally reduce pest problems and minimise the need for chemical pesticides.

"We are working on growing kale that is also rich in selenium," he added. Selenium is believed to further boost the health ...

Brussels sprouts and kale should be 15cm (6in).Water the day ... Brassicas are affected by a wide range of pests and diseases, especially the fungal disease, club root. The roots become stubby ...