Report on Forest Research |
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Contents
INTRODUCTION by G D Holmes Director of Research | 1 |
PART II | 20 |
WORK CARRIED OUT BY FORESTRY COMMISSION | 22 |
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acre Alice Holt Allerston annosus aphids application assessment B.Sc basal area benefit Broxa cent Clocaenog compared confined confirm Corsican pine crops damage dazomet deficiency dicamba differences double mouldboard Douglas fir drain drainage effect Enmag experiments fertiliser field first five foliage Forest Hampshire Forestry Commission germination grafting Grand fir growing season hectare height growth increase infection influence Inverness-shire investigation Kennington kg/ha Kielder Forest Kirkcudbrightshire lb/acre levels Lodgepole pine methods mouldboard ploughing needle nitrogen Norway spruce nurseries peat phosphate pine and Sitka planting PLATE plots potassic superphosphate potassium production provenances Radnor Forest Report Research root samples Scotland Scots pine Section seed showed significant Silviculture Sitka spruce soil South species sprayed stumps sulphate superphosphate survival Table Thetford Thetford Chase timber transplants treatment trees trials tubed seedlings Wales Wareham Wareham Forest weed control Western hemlock winter wood year’s Yield Class