Soil blocking has a range of benefits for seedlings – so we decided to put our skills to the test by building a DIY soil block maker. Here's how it went.

Getting your Trinity Audio player ready... One look at the cheerful, bright portraits of veggies and flowers had you purring with delight, your willpower crumbling before their sun-drenched colors.

All around the country people are sowing seeds into small black or green rectangular trays - you see great towers of them in every garden centre at this time of year. But that's not the best basic bit ...