THE FRUIT AND THE SOIL
... : Dr. Gyril D. Darlington, F.R.S., has edited the whole of the John Innes Leaflets issued by the Institution to date, including the latest No. 6 on seed production. The interest shown in composts, soil sterilisation, the fertility rules in fruit planting and other subjects studied by horticulturalists is shown by the fact that 60,000 copies of the five leaflets were sold during the war. This ...