Problems in Tree Nutrition: An Account of Researches Concerned Primarily with the Mycorrhizal Habit in Relation to Forestry and with Some Biological Aspects of Soil Fertility |
Contents
INTRODUCTION | 13 |
RESEARCHES ON THE GENUS Pinus WITH AN ACCOUNT | 24 |
ORGANIC COMPOSTS AND THE GROWTH OF YOUNG TREES | 58 |
Copyright | |
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acid addition of composts attack behaviour biological Boletus bovinus cellulose colour compost treatments conifers constituents contorta control plots Corsican pine deleterious described drainage dry weights ectotrophic effects on growth evidence experimental area favourable fertility field plots Forest soil Forestry fungal fungal activity fungal growth fungus humus inoculation hymenomycete hyphae infection inhibiting inoculum mantle manure Maritime pine material Melin months from sowing mycelial mycelial growth mycor mycorrhiza-formers mycorrhizal activity mycorrhizal association mycorrhizal development mycorrhizal habit mycorrhizas mycotrophic nitrogen normal Norway spruce nutrition observed organic composts Oxshott Oxshott soil Pinus Plate plot treated podsol pot cultures pot experiments present produced pseudomycorrhizas pure culture relation researches respect rhizas root system rootlets salts Scots pine short roots silvestris Sitka spruce soil conditions soil factors soil fungi soil inoculated species of pine sporophores sterilized stimulation structure substances substrate tion toxicity untreated soil vigorous Wareham Forest Wareham soil young trees