Author

Lon Adrian Hawkins

2 books found

Cover of Some Factors Influencing the Efficiency of Bordeaux Mixture

Some Factors Influencing the Efficiency of Bordeaux Mixture

Lon Adrian Hawkins · First published 2018

Cover of The Influence of Calcium, Magnesium and Potassium Nitrates Upon the Toxicity of Certain Heavy Metals Toward Fungus Spores ..

The Influence of Calcium, Magnesium and Potassium Nitrates Upon the Toxicity of Certain Heavy Metals Toward Fungus Spores ..

Lon Adrian Hawkins · First published 1913 · Latest edition 2018