"Forêts Nutrition." . . . . . . . . . . "Problems in tree nutrition : a account of researches concerned primarily with the mycorrhizal habit in relation to forestry and some biological aspects of soil fertility"@en . "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" . . . . . . . . . . . "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"@en . . . . . "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"@en . "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" . . . . . . "Problems in tree nutrition : an account of researches concerned primarily with the mycorhizal habit in relation to forestry : and with some biological aspects of soil fertility"@en . "Problems in free nutrition" . . . "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" . . . . . . "Problems in tree nutrition" . . . . . "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, by M. C. Rayner and W. Neilson-Jones... Foreword by H. M. Steven" . . . . "Problems in tree nutrition : an account of researches concerned primarily with the mycorrhizal habit"@en . . . . . . . . "Plantas Nutrición." . . . . "Sylviculture." . . "Pins." . . "Wald." . . "Mycorhizes." . . "Pin." . . "Ernährung." . . "Compost." . . "Boscos i silvicultura." . . "Micorizes." . .