A report discussed in The Telegraph on 7 October 2026 raises a question about our food supply. Are we producing more food while paying too little attention to what it contains?

The article reports declines of 20 to 50 per cent in certain nutrients in some crops. It links these changes to deteriorating soil quality and breeding that favours rapid growth and high yields.

The headline needs care. It does not establish that every vegetable is now half as nutritious as its equivalent in the 1960s. Different crops and nutrients behave differently. Nor does it establish that we should replace five-a-day advice with ten-a-day. The NHS continues to recommend at least five portions of varied fruit and vegetables each day.

Nevertheless, the report strengthens the case for paying attention to how food is grown. For localism, this means recognising the value of gardens, allotments, smallholdings and local market gardens.

Begin with the soil

A vegetable patch is more than a space into which seeds are placed. It is living ground which needs care.

Home growers can return composted plant material to the soil, protect its surface with mulch and avoid repeatedly walking over growing beds. They can observe which areas dry out, become waterlogged or produce disappointing crops.

Crop rotation can help limit the build-up of particular pests and diseases. Cover crops can maintain living roots in ground that would otherwise stand bare over winter. The Royal Horticultural Society identifies both approaches as useful parts of managing a vegetable garden.

These practices do not guarantee vegetables with higher mineral content. Soil conditions, crop variety and other factors still matter. But growing close to home gives people a direct opportunity to improve and understand the ground that feeds them.

The soil becomes something to maintain for the future.

From the garden to the kitchen

Home growing also shortens the time between harvesting and eating.

Leaves can be picked shortly before a meal. Beans can be gathered when tender. Soft fruit can ripen on the plant rather than being selected primarily for its ability to survive handling and transport.

This can improve flavour and reduce waste. It may also help preserve nutrients sensitive to storage, although freshly harvested food is not automatically superior in every respect. Research comparing fresh, frozen and canned produce shows that nutrient retention varies with the food, processing and storage conditions.

The practical advantage is choice. A household can harvest what it needs and eat it promptly.

Growing for the table

A commercial crop must satisfy several demands. It needs to yield reliably, withstand handling and reach customers in saleable condition.

A home grower can give more weight to flavour, suitability for the site and the preferences of those who will eat it. A local market gardener selling directly to customers has some of the same freedom.

There is room for a wider range of vegetables and varieties. Crops need not all mature together. Small successive sowings can provide food over several weeks.

Older varieties are not necessarily more nutritious. Their value lies partly in widening the choices available and helping growers discover what performs well in their own conditions.

Less dependence on purchased food

A garden will rarely feed a household completely. Even a modest contribution, however, can be useful.

Salad leaves, herbs, beans, courgettes and soft fruit can supplement bought food. Where space permits, potatoes, onions, roots and winter greens can make a more substantial contribution.

Savings depend on the cost of equipment, water, seeds and compost, as well as successful harvests. An expensive greenhouse is not essential to begin. A small productive bed may be more useful than an ambitious plot that becomes difficult to manage.

Seasonal outdoor growing can also reduce the need for packaging, refrigeration and transport. Those gains are greatest when cultivation uses modest inputs and the produce is eaten or preserved rather than wasted.

A place for everyone

Not everyone has land, strength or time to grow vegetables.

Local food production should therefore extend beyond individual gardens. Shared plots, accessible raised beds, neighbourhood growing groups and small commercial gardens can involve more people.

One person may raise seedlings. Another may tend beds, organise deliveries or preserve surplus produce. People who cannot undertake heavy work can still contribute knowledge and other useful skills.

Local growers also need customers. Buying from a nearby producer can support local food production just as growing at home can.

Food within a localist economy

As households face pressure on their spending, food remains essential. Local growing offers one way to direct land, skills and work towards that need.

It creates opportunities for small businesses supplying vegetables, seedlings, compost, tools and garden services. It also supports activity outside the money economy: shared harvests, exchanged seeds and help between neighbours.

National supplies will remain necessary. But a locality with productive gardens and nearby growers has an additional source of food and practical knowledge.

The nutritional concern raised by this report points towards a broader responsibility. We need to consider the condition of the soil, the quality of the harvest and whether people can obtain a varied diet.

Growing locally and at home brings those questions within reach. It connects the care of the ground with the food on the table.

Source: Vegetables half as nutritious as they were in the 1960s, The Telegraph, 7 October 2026.