15 books • 5 series
Farming the Black Earth
Use of the Normalized Difference Vegetation Index (NDVI) to Assess Land Degradation at Multiple Scales (SpringerBriefs in Environmental Science)
The Black Earth (International Year of Planet Earth)
Hoddesdon & Broxbourne Through Time (Through Time)
American Extremes
Alex Webster and the Gods
Rural Planning in Developing Countries
Sustainable Pest Management
Priorities in Biopesticide Research and Development in Developing Countries (Biopesticides)
Broxbourne and Wormley's Past in Pictures
150 Years of the Hertford and Ware Railway
Hoddesdon's Past in Pictures
Insect Pest Management
Acid Sculphate Soils (ILRI publication, #39)
Soil Survey and Land Evaluation