96 SUMMER APPLES IN THE MIDDLE ATLANTIC STATES. 



Page. 



Plain, Atlantic Coastal, geography of the region 8-9 



soil of the region 10-11, 57-87 



topography of the region 10 



Plates, description 90 



Precipitation, factor in growth of plants 11-12 



records for typical stations 13-15 



Princess Anne, Md., dates of spring frosts 16 



Providence, R. I., relation of market to early-apple industry 22 



Priming of apple orchards, factor in culture 18, 19 



Rainfall. See Precipitation. 



Seaford, Del., climatological records 14 



Slope of ground, apple orchards, phenologiral data 57-87 



Soil, factor in early-apple industry 18, 23, 57-87 



of the Coastal Plain region. See Plain, Atlantic Coastal, soil. 



Solomons, Md., dates of spring frosts 16 



Spraying, factor in growing summer apples 18, 19 



Straw, use as mulch in apple orchards 20 



Strong, W. C, on history of certain varieties of apple 23 



Summer apples. See Apples, early. 



Sunshine, factor in growth of plants 11 



Temperature, factor in growth of trees 11-12, 57-87 



records for typical stations 13-15 



relation to earliness of maturity 18 



Tidewater region. See Plain, Atlantic Coastal. 



Topography of the Coastal Plain region. See Plain, Atlantic Coastal, topography. 



Varieties of apples. See Apples, varieties. 



A r ineland, N . J., dates of spring frosts 16 



Virginia, dates of frosts 16, 57-87 



early apples locally grown 52 



features of apple industry 17, 53, 55, 57-87 



location of tidewater boundary line 



Warsaw, Va. , dates of spring frosts 16 



Washington, D. C, dates of spring frosts '. 16 



Wind, direction and velocity, factors in plant growth 11 



194 



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