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1939

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Resultados 1-6 de 6

Fruit pests and their control

1939

Ritcher, Paul O. | Valleau, W. D. (William Donney) | Magill, W. W.

kentucky control diseases and pests fruit
National Agricultural Library - United States of America
Spraying program and pest control for fruit crops

1939

ohio spraying and dusting in agriculture control diseases and pests fruit
National Agricultural Library - United States of America
Toxicity of certain organic insecticides to codling moth larvae in laboratory tests Texto completo

1939

Siegler, E. H. (Edouard Horace),

fruit codling moth control diseases and pests
The Biodiversity Heritage Library - United Kingdom
Directions for spraying fruits in Illinois

1939

illinois spraying and dusting in agriculture control diseases and pests fruit
National Agricultural Library - United States of America
The basis for treatment of products where fruitflies are involved as a condition for entry into the United States Texto completo

1939

Baker, A. C.

plant production (horticultural crops) pests of plants (insects and other arthropods) control united states fruit-flies
National Agricultural Library - United States of America
Toxicity of certain organic insecticides to codling moth larvae in laboratory tests Texto completo

1939

Siegler, E. H. | Munger, F. (Francis) | Smith, L. E. (Lloyd E.)

plant production (horticultural crops) control pests of plants (insects and other arthropods) diseases and pests fruit codling moth
National Agricultural Library - United States of America