The magic of growing your own mushrooms | Brief letters

One precious profit of buying cultivated mushrooms (The world is your oyster mushroom! The expert guide to cooking delicious fungi, 21 February) is that it avoids the concern of poisoning your self from an incorrectly recognized wild pattern whereas lowering extra wild forage assortment. Residence cultivation is another choice, with additional advantages of utilizing meals byproducts. Fungal spawn is offered on-line and grows effectively on a mixture of cereals and sawdust. Strive a neighborhood microbrewery for spent grains or a restaurant for used espresso to develop your personal fungi farm.
Keith Thomas
College of Sunderland

I’m afraid Valerie Smith (Letters, 23 February) has misremembered the “ugly account of the launching of canoes over the trussed, dwelling our bodies of prisoners”. This isn’t from Robinson Crusoe however from The Coral Island by RM Ballantyne, which might be not learn. I learn each books as a baby and keep in mind it effectively.
Pat Parkin-Moore
Croft, Leicestershire

Researchers say that males who often sleep effectively, getting seven or eight hours an evening, may dwell virtually 5 years longer than those that don’t (Good quality sleep can add years to people’s lives, study suggests, 23 February). However aren’t they simply spending these further 5 years in mattress?
Adrian Brodkin
London

A gem of a headline (Vegetable shortages in UK could be ‘tip of iceberg’, says farming union, 25 February).
Paresh Motla
Thame, Oxfordshire