𝔖 Bobbio Scriptorium
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Disorders of temporary ryegrass swards in south-east England

✍ Scribed by A. J. HEARD; E. T. ROBERTS


Book ID
114837618
Publisher
Association of Applied Biologists
Year
1975
Tongue
English
Weight
296 KB
Volume
81
Category
Article
ISSN
0003-4746

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1. Sample areas of the county were used to estimate pond loss. An extensive survey used only maps while a smaller, intensive survey combined maps with a field study. In total, 283.43 km2 were surveyed, approximately 7% of the total area. 2. Fifty-five per cent of the ponds present in 1870 had disap