Helen Hayden

About

Helen Hayden is a Soil Microbial Ecologist at the Department of Economic Development, Jobs, Transport and Resources in Victoria.

Author's Books

Soil Health, Soil Biology, Soilborne Diseases and Sustainable Agriculture

Soil Health, Soil Biology, Soilborne Diseases and Sustainable Agriculture

A Guide

Graham R. Stirling, Helen Hayden, Tony Pattison and Marcelle Stirling
Paperback
$79.95
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