Effects of Cultivation and Number of Rows on Survival and Growth of Trees in Farm Windbreaks on the Northern Great Plains
Windbreaks on the northern Great Plains provide much-needed protection for men, animals, and crops against the severe storms of winter and the hot, drying winds of summer. Because of the scanty precipitation everything possible must be done to conserve the supply of moisture available for tree growth. The studies reported in this paper show that cultivation until a complete crown cover is established has a decidedly beneficial effect in this direction by reducing the competition from weeds and sod; and that relatively narrow windbreaks, of not more than 6 to 8 rows, are more effective than wider ones in storing snow in the form of drifts and thus making available a supplementary supply of water beyond that afforded by the annual precipitation.
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Document Type: Journal Article
Affiliations: Assistant Silviculturist, in charge Arboricultural Investigations, Northern Great Plains Field Station, Mandan, N. D.
Publication date: 1943-11-01
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