Ron D. Weir Books

Plant Nutrient Disorders 2
Plant Nutrient Disorders 2

By Geoff Cresswell, R. G. Weir, Ron Weir

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This volume examines particular nutrient disorders of tropical fruit and nut crops. The effects of deficiencies and toxicities of essential elements are described and illustrated, and the reader is...

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Plant Nutrient Disorders Volume 5
Measurement of the Thermodynamic Properties of Multiple Phases
Plant Nutrient Disorders Volume 2
Plant Nutrient Disorders Volume 5
Birds of the Kingston region
Birds of the Kingston region

By Ron D. Weir

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The birds of Prince Edward County

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