Showing results under subject: 'aquaculture'

Birds aid blueberry and cranberry growers

Author: Knappen, Phoebe. - United States. Bureau of Biological Survey. - U.S. Fish and Wildlife Service
Publisher:Washington DC,US Dept of Agriculture, Bureau of Biological Survey 1938
Abstract: no abstract

Rodent control aided by emergency conservation work

Author: Young, Stanley Paul, - United States. Bureau of Biological Survey. - U.S. Fish and Wildlife Service
Publisher:Washington DC,US Dept of Agriculture, Bureau of Biological Survey 1936
Abstract: no abstract

Fruits attractive to birds Florida, region no. 10

Author: McAtee, W. L. (Waldo Lee) - U.S. Fish and Wildlife Service - United States. Bureau of Biological Survey.
Publisher:Washington DC,US Dept of Agriculture, Bureau of Biological Survey 1936
Abstract: no abstract

Publications on cage birds

Author: United States. Bureau of Biological Survey. - U.S. Fish and Wildlife Service
Publisher:Washington DC,US Dept of Agriculture, Bureau of Biological Survey 1935
Abstract: no abstract

Birds aid blueberry and cranberry growers

Author: Knappen, Phoebe. - United States. Bureau of Biological Survey. - U.S. Fish and Wildlife Service
Publisher:Washington DC,US Dept of Agriculture, Bureau of Biological Survey 1935
Abstract: no abstract

A field key to the adult hymenopterous parasites of the spruce budworm in Minnesota

Author: Wilson, Louis F. - Bean, James L. - Lake States Forest Experiment Station (Saint Paul, Minn.)
Publisher:St Paul Minn,Lake States Forest Experiment Station, US Dept of Agriculture 1964
Abstract: no abstract

Crown weights in red pine plantations

Author: Smith, James K. (James Kerr), - Lake States Forest Experiment Station (Saint Paul, Minn.)
Publisher:St Paul Minn,Lake States Forest Experiment Station, US Dept of Agriculture 1963
Abstract: no abstract

Healing time for pruning wounds in a red pine plantation

Author: Lohrey, R. E. (Richard E.) - Lake States Forest Experiment Station (Saint Paul, Minn.)
Publisher:St Paul Minn,Lake States Forest Experiment Station, US Dept of Agriculture 1963
Abstract: no abstract

Diameters and numbers of trees in red pine stands are greatly affected by density, age, and site

Author: Lundgren, Allen L. - Wambach, Robert F., - Lake States Forest Experiment Station (Saint Paul, Minn.)
Publisher:St Paul Minn,Lake States Forest Experiment Station, US Dept of Agriculture 1963
Abstract: no abstract

Alinement chart for numbers of trees, diameters, basal areas

Author: Lundgren, Allen L. - Lake States Forest Experiment Station (Saint Paul, Minn.)
Publisher:St Paul Minn,Lake States Forest Experiment Station, US Dept of Agriculture 1965
Abstract: no abstract
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