21 JUNE 1935, page 16

A Popular Root Of All The Defences Against Insect Enemies

that science has discovered and producers have employed none has advanced so steadily in range as the dust of the derris. Some fresh details of its peculiarly interesting......

Country Life

Science and the Farm That greatest of all agricultural stations, Rottamsted, near Harpenden, enjoyed its annual function this week with that ardent and expert husbandman, Lord......

Go, Lovely Rose We Have Had No Confession Or Acknowledgement

of the wholesale severity of the May frosts quite so official as a notice from the National Rose Society that it has been forced to abandon the June show. This, as French......

More Swallows An Interesting Sequel To A Recent Comment On

the fewness of the swallows appears in the Bath Chronicle, which is one of the most pleasantly edited of local papers. A few swallows were with us very early, but the great......

From China To Peru

A plant of the same genus, with like properties, has been found also in Peru. Derris, pyrethrum and tobacco are the plants which supply the best defences against insect plagues.......

Fat Or Caterpillar An Experience- Of This Week Suggests That

we make a grave mistake when we feed our tits with fat or coconut at this time of year. A very acute observer has in her garden a nesting-box full of very greedy youngsters. The......

The Great Discovery

This discovery of dcrris was of course a minor event, a mere by-product. Dr. Durham was a member of the Ross expe- ditions, whose joint discoveries, as someone said, have saved......