Dyfyniad APA

Arvidsson, H. (2001). Wood ash application in spruce stands: Effects on ground vegetation, tree nutrient status and soil chemistry. Swedish University of Agricultural Sciences.

Dyfyniad Arddull Chicago

Arvidsson, Helen. Wood Ash Application in Spruce Stands: Effects on Ground Vegetation, Tree Nutrient Status and Soil Chemistry. Uppsala: Swedish University of Agricultural Sciences, 2001.

Dyfyniad MLA

Arvidsson, Helen. Wood Ash Application in Spruce Stands: Effects on Ground Vegetation, Tree Nutrient Status and Soil Chemistry. Swedish University of Agricultural Sciences, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.