PPruning investigationsPruning investigationsde J. R. MagnessMateriasPruningEdiciones (1)Pruning investigations (1917)Oregon Agricultural College Experiment Station · inglésMás obras de J. R. MagnessCCollar rot of apple treesCollar rot of apple treesFFood and feed crops of the United StatesFood and feed crops of the United StatesIInvestigations on the handling of bartlett pears from PacifiInvestigations on the handling of bartlett pears from Pacific coast districts
IInvestigations on the handling of bartlett pears from PacifiInvestigations on the handling of bartlett pears from Pacific coast districts
RRelation of foliage to fruit size and quality in apples and Relation of foliage to fruit size and quality in apples and pears
SSoil moisture and irrigation investigations in Eastern appleSoil moisture and irrigation investigations in Eastern apple orchards