... also a matter of great importance. It should be rather "heavy," that is, with considerably more clay than average plant soil. Five parts rotted loam sod, to one to two parts rotted cow manure, is a good mixture. It should be thoroughly composted and rotted up. When filling the bench press well down and if possible give time to settle before putting ... — Gardening Indoors and Under Glass • F. F. Rockwell
...
