WHILST no outstanding changes have been made in the third edition of Prof. Comber's deservedly well-known book, its subject-matter has been brought fully up to date without sacrifice to the ...

Lynette Abbott continues her discussion on soil health by examining the effects of fertilisers on soil organisms ...

A worm burrows its way through the dark earth, ingesting particles of soil and expelling nutrient-rich casts in a constant forage for food. Charles Darwin described earthworms as one of the most ...

The University of Delaware (UD) has rated soils in terms of the likelihood of profitable responses to additions of phosphorus (P) and potassium (K) from fertilizers, manures, and other soil amendments ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...