Biennial Report ..., Tema 4 |
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Página 52
... PINE BLISTER RUST INFECTIONS IN MICHIGAN TO JUNE 30 , 1930 Long distance spread of the rust to new areas usually takes place in one of the following ways : ( 1 ) transporting and planting of infected white pine planting stock , and ( 2 ) ...
... PINE BLISTER RUST INFECTIONS IN MICHIGAN TO JUNE 30 , 1930 Long distance spread of the rust to new areas usually takes place in one of the following ways : ( 1 ) transporting and planting of infected white pine planting stock , and ( 2 ) ...
Página 53
... pine areas . The protection of pine stands from the disease in those areas where the rust is already present can only be accomplished by removal of all currants and gooseberries under the pines and within approximately 900 ' of the ...
... pine areas . The protection of pine stands from the disease in those areas where the rust is already present can only be accomplished by removal of all currants and gooseberries under the pines and within approximately 900 ' of the ...
Página 54
... pine stand and its environs , making a rough sketch map to show the distribution of currants and gooseberries with ... PINE BLISTER RUST ON TRUNK OF PINE TREE . SURE TO RESULT IN DEATH TO TREE . 54 DEPARTMENT OF AGRICULTURE Control of ...
... pine stand and its environs , making a rough sketch map to show the distribution of currants and gooseberries with ... PINE BLISTER RUST ON TRUNK OF PINE TREE . SURE TO RESULT IN DEATH TO TREE . 54 DEPARTMENT OF AGRICULTURE Control of ...
Contenido
Receipts for Fiscal Year 19281929 | 17 |
Bureau of Animal Industry | 59 |
Chemical Laboratories 9698 | 96 |
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Términos y frases comunes
1929 Necessary 1929 Necessary Drainage 1929 Necessary Locate adulterated Allegan animals Apiary Babcock test barberry beekeepers Benton Harbor Beverage Bottling Branch Bureau butter cattle Cheboygan cheese Clair Clinton Commissioner of Agriculture Condensed County County-From creamery Creek crops dairy products dealers Department of Agriculture Detroit Detroit Detroit disease dogs ending June 30 eradication factories Fair farms feeds fiscal Genesee Grade Grand Rapids Gratiot growers Hamtramck herds Hillsdale hogs Huron ice cream inarians industry infected Ingham inspection inspectors Ionia Iosco Isabella Jackson July June 30 Kalamazoo laboratories Lake Lapeer Lenawee licenses Locate and Establish Macomb Manistee manufacture Marquette Marquette Branch Prison Michigan Midland Monroe Montcalm Muskegon Necessary Clean Necessary Drainage District Nursery Official oleomargarine Ottawa plants potatoes pounds Reactors regulations Saginaw samples Sanilac seed Shiawassee skim milk sold straighten and extend supervision tion Total Traverse City Tuberculosis Tuscola Veter Veterinarians Washtenaw