كتب ذات صلة

The toxic property of sulphur

A method of destroying or preventing the growth of Algæ and certain pathogenic bacteria in water supplies.

Insects and insecticides.

The influence of calcium, magnesium and potassium nitrates upon the toxicity of certain heavy metals toward fungus spores ...

• Illinois trees: their diseases.
  المؤلفون: Carter, J. Cedric
• Illinois trees: their diseases.
  المؤلفون: Carter, J. Cedric
• Illinois trees: their diseases.
  المؤلفون: Carter, J. Cedric

• Tree and shrub hosts of Verticillium albo-atrum
  المؤلفون: Himelick, E. B.
• Sport fishing at Lake Chautauqua, near Havana, Illinois, in 1950 and 1951
  المؤلفون: Starrett, William Charles. ,  McNeil, Perl L., Jr.
• Lead poisoning in wild waterfowl
  المؤلفون: Bellrose, Frank Chapman ,  Jordan, James S.