This is the original science of Sir Albert Howard of waste management for farms, gardens, allotments and community living and how to incorporate it into agriculture or any growing system with updates from India 1997. Any size mixed farm can make all it’s own fertiliser, reducing external inputs to zero. £20 + p&p in**@su*****.uk
The Results of Howard’s work worldwide can be studied in the title
Farming and Gardening for Health or Disease, Howard,1945 re printed in 2005
available from SuAgLon £9.00 + p&p in**@su*****.uk