96 EXPEEIMENTS IN BLUEBEKRY CULTURE. 



Page. 



Munson, W. M., on blueberry cultivation 89 



Mycorrhiza in blueberry rootlets, description and effects 42-45, 48-50, 89 



ectotrophic 43-44 



Myriapods, hastening decomposition of leaves 33 



Nectar of the blueberry 76, 78 



Neutral soil. See Soil, neutral. 



New Brunswick, blueberries in Boston market 12 



England, occurrence of blueberry and related plants 30 



Hampshire, blueberry shipments, prices received 12 



Jersey, blueberries in Boston market 12 



York, absence of blueberry and related plants in limestone soils 19 



blueberries in Boston market 12 



experiments in blueberry culture 11 



Nitrates, deficiency in peaty soils 45, 50 



determination in kalmia peat 46 



usually derived from humus 47 



Nitrification, action of bacteria, nonoccurrence in acid forest litter 47, 48 



Nitrifying bacteria. See Bacteria, nitrifying. 



Nitrites, production 47 



Nitrogen, absorption from soil in form of nitrates 45 



atmospheric, fixation, by bacteria 48-49 



leguminous plants 48-49 



root fungi 48-50 



available, deficiency in peaty soil due to lack of nitrifying bacteria . 46-47 



relation of blueberry fungus 48-50 



determinations in kalmia j^eat 45, 46 



organic, used by fungi -. 48 



tubercles, development on alfalfa roots 16-17 



Noncalcareous soil. See Soil, noncalcareous. 

 Normal solution. See Solution, normal. 



North Carolina, blueberries in Boston market 12 



Nova Scotia, blueberries in Boston market 12 



Nutrient solution. iSee Solution, nutrient. 



Nutrition of the blueberry, theory 50 



peculiarities of the blueberry 40-50 



Oak leaves and oak-leaf mold. See Leaves, oak. 



root mycorrhiza, description 44 



roots, acidity test 61-62 



sandy woods, presence of peat suitable to blueberry 32-35 



Ohio, absence of blueberry and related plant in limestone soils 19 



Oliver, G. W., method of "germinating blueberry seeds 14, 51 



Orchids, use of Maryland peat in growing 32 



Oregon, tule swamps, alkaline character of peat. 32 



Organic matter. See Matter, cellular and organic. 



nitrogen. See Nitrogen, organic. 

 Outdoor plants. See Plants, outdoor. 

 Oxid, calcium. See Calcium oxid. 



Oxvcoccus oxycoccus, root fungus, study 49 



Pacific, humid coast sections, occurrence of blueberry and related plants 30 



Parent plant. See Plant, parent. 



Patterson, Mrs. F. W., identification of blueberry mildew ,-■■•: ^^ 



Peat, acidity, causes and characteristics 31-35, 61-62 



alkaline, not suited for growing blueberry 32 



bacterial content, comparison with cow manure 64 



bog. See Bog, peat. 



favorite type of acid soil for blueberry 31-32 



fibrous drained, aeration conditions satisfactory for blueberry 37-38 



fresh, effect on field growth of blueberry 87 



excessive acidity - ^^ q^ 



kalmia, description, process of formation - - - 32-34 



determinations of nitrogen and' nitrates 45, 46 



extraciion of humus ^^ 



moisture conditions 37-38 



nitrification not taking place ^^' co 



roots, acidity test 61-6- 



J93 



