Cultural treatments stimulate growth of western white pine seedlings

Four fish

Paul Greenberg

Biological Control Of Rice Diseases

Samuel S. Gnanamanickam

Cultural practices and infectious crop diseases

J. Palti

Weeds, Control Without Poisons

Charles Walters

Four fish

Greenberg, Paul

The biology, and the chemical and cultural control of Canada thistle (Cirsium arvense)

V. Christine Kossatz

Black stain root disease of conifers

P.F. Hessburg

Controlling weeds with fewer chemicals

Craig Cramer

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