The influence of some of the newer organic spray materials on the internal structure and photosynthesis of winesap apple foliage

Fish, Almon Sutphen.2015-12-312015-12-311949http://hdl.handle.net/2097/24481Call number: LD2668 .T4 1949 F53Apples.The influence of some of the newer organic spray materials on the internal structure and photosynthesis of winesap apple foliageTextMasters theses