Browsing by Author "Crogen, P.L."

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    • Growth and survival of shelterbelts 

      Lana, E.P.; Crogen, P.L.; Heintz, R.H.; Enk, Glenn Van (North Dakota State University, 1980)
      The need for trees in the Great Plains was recognized during settlement in the late 1800's. The Timber Culture Act of 1873 provided for planting a timber culture entry of 40 acres for each quarter section (160 acres) of ...