Oregon State University. Extension Service; Bell, Neil (Neil Charles), 1961-; Sullivan, D. M.; Brewer, L. J.; Hart, J. ([Corvallis, Or.] : Oregon State University, Extension Service, 2003-05)
This publication will help you understand the
importance of soil organic matter levels to good
plant performance. It also contains suggestions
for suitable soil amendments. Any soil, no
matter how compacted, can be i ...