Bulletin, Issues 36-41 |
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Page 71
... increase - P increased the size nearly four times and N increased it by a third . This spectacular response to P on conifer seedlings is of special interest on a site where the other agri- cultural and horticultural crops responded only ...
... increase - P increased the size nearly four times and N increased it by a third . This spectacular response to P on conifer seedlings is of special interest on a site where the other agri- cultural and horticultural crops responded only ...
Page 58
... increase in output from private wood- lands if the land so designated were brought into full production . Twenty - four per cent of the woodland area of Britain is unproductive , and most of the one million acres in this category are in ...
... increase in output from private wood- lands if the land so designated were brought into full production . Twenty - four per cent of the woodland area of Britain is unproductive , and most of the one million acres in this category are in ...
Page 60
... increase in the staff or capital equipment of the latter , thus opening the way for increased efficiency . Why , then , is there such a concern for " preserving the rural population ? " Undoubtedly , the social consequences of an ageing ...
... increase in the staff or capital equipment of the latter , thus opening the way for increased efficiency . Why , then , is there such a concern for " preserving the rural population ? " Undoubtedly , the social consequences of an ageing ...
Contents
FOREWORD by The Earl of Radnor ix | |
INTRODUCTION 6 | 6 |
CROPS 23 2 2 2 2 2 2 2 2 8 | 23 |
Copyright | |
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acid acres addition agricultural ammonium sulphate amounts Ampthill appear applied associations average Bagley beds blocks Calluna cent Chapter Commission compared compost conifers crops Dates Design early effect estates experimental experiments extract factor fertilizer forest Forestry formalin forms four given ground growing growth heathland Height in inches hopwaste important included increased indicated Kennington Extension land less manuring material Mean methods mycorrhizal associations Nitro-Chalk nitrogen nurseries nutrients observed obtained Old Kennington organic owners period phosphorus plants Plate plots possible potassium present production Region responses Ringwood roots samples sand Scots pine season seed seedbeds seedlings showed similar Sitka spruce soil sowing species sq.yd stand steam sterilization summer superphosphate supplies Sweden Table tested timber tion topdressed transplants treatments trees units values various Wareham winter wood woodland