| Yields of the Field Experiments 1987 | 1 |
| Contents 1987 | 3 |
| Conventions 1987 | 7 |
| Harvest Areas for Cereals | 8 |
| Table of Means | 8 |
| Experiments - Classicals | 9 |
| 87/R/BK/1 Broadbalk - W. Wheat, Potatoes | 9 |
| 87/R/HB/2 Hoosfield - S. Barley | 14 |
| 87/R/WF/3 Wheat and Fallow - W. Wheat | 18 |
| 87/R/EX/4 Exhaustion Land - S. Barley | 19 |
| 87/R/PG/5 Park Grass - Old Grass | 22 |
| 87/R/AG/6 Agdell - Ley | 27 |
| 87/R/BN/7 Barnfield - Leys | 28 |
| 87/R/GC/8 Garden Clover - Clover | 32 |
| Rotations | 34 |
| 87/R/RN/1 and 87/R/RN/2 Ley Arable - Old Grass, Leys, S. Oats, W. Wheat | 34 |
| 87/W/RN/3 Ley/ARABLE - Leys, S. Barley, W. Beans, W. Wheat | 39 |
| 87/W/RN/4 Market Garden - Clover | 49 |
| 87/R/RN/5 Arable Reference Plots - W. Barley, Ley, Potatoes, W. Wheat, W. Oats, S. Oats, Old Grass | 57 |
| 87/R/RN/8 Cultivation/WEEDKILLER - W. Barley | 62 |
| 87/W/RN/12 Organic Manuring - W. Wheat, W. Oats, Leys | 64 |
| 87/W/RN/13 Intensive Cereals - W. Wheat | 68 |
| 87/R/RN/17 Rates of P and K to the Subsoil - S. Beans, W. Wheat, Potatoes, S. Barley | 70 |
| Crop Sequences | 77 |
| 87/R/CS/10 and 87/W/CS/10 Long-term Liming - Lupins | 77 |
| 87/W/CS/34 Nematicides in Crop Sequence - Potatoes, W. Wheat, S. Barley | 82 |
| 87/R/CS/133 Control of Pathogens - Maize | 88 |
| 87/R/CS/140 Chemical Reference Plots - S. Barley | 90 |
| 87/R/CS/212 Seasonal Effects of Take-all - W. Wheat, S. Beans | 95 |
| 87/W/CS/245 Minimum Cultivation and Deep P K - W. Wheat, W. Barley, S. Barley | 97 |
| 87/W/CS/273 Intensive Potatoes - Potatoes, S. Barley | 112 |
| 87/R/CS/302 Eyespot Resistance to Mbc - W. Wheat | 116 |
| 87/R/CS/309 and 87/W/CS/309 Long-term Straw Incorporation - W. Wheat | 117 |
| 87/R/CS/311 Effects of Shallow Straw Incorporation - W. Wheat | 121 |
| 87/R/CS/312 Straw Decomposition - W. Wheat | 126 |
| 87/W/CS/316 Varieties and Pcn Tolerance - Potatoes | 128 |
| 87/R/CS/320 Comparison of Combinable Crops - W. Wheat | 132 |
| 87/W/CS/322 Effects of Globodera Pallida - Potatoes | 135 |
| 87/R/CS/324 Comparison of Combinable Crops - W. Oilseed Rape, W. Oats, S. Beans, W. Peas, S. Peas, Sunflowers, Lupins, W. Wheat | 138 |
| 87/R/CS/326 and 87/W/CS/326 Amounts of Straw - W. Wheat | 141 |
| 87/W/CS/328 Deep-worked Soil and Pcn - Potatoes | 143 |
| Annuals - Winter Wheat | 146 |
| 87/R/WW/1 Varieties - W. Wheat | 146 |
| 87/R/WW/3 Factors Affecting Tillering and Yield - W. Wheat | 149 |
| 87/R/WW/4 Factors Affecting Take-all - W. Wheat | 156 |
| 87/R/WW/5 Aphicide, N and Fungicide - W. Wheat | 162 |
| 87/R/WW/6 N and Dcd - W. Wheat | 164 |
| Barley | 167 |
| 87/R/B/1 Factors Limiting Yield - W. Barley | 167 |
| 87/R/B/2 Sowing Dates, Aphids and Bydv - W. Barley | 183 |
| 87/R/B/3 Anti-feedants and Bydv - W. Barley | 185 |
| 87/R/B/5 Varieties - W. Barley | 187 |
| 87/R/B/6 and 87/W/B/6 Varieties and N - S. Barley | 189 |
| Field Beans | 192 |
| 87/R/BE/1 Control of Chocolate Spot and Rust - W. Beans | 192 |
| 87/R/BE/4 Varieties, Row Spacing and Plant Health - S. Beans | 194 |
| Lupins | 196 |
| 87/R/LP/2 and 87/W/LP/2 Varieties, Sowing Dates and Plant Health - Lupins | 196 |
| 87/R/LP/4 Desiccants and Fungicides - Lupins | 199 |
| 87/R/PE/1 Effects of Pea Seed-borne Mosaic Virus - Peas | 202 |
| Winter Oilseed Rape | 204 |
| 87/R/RA/1 Factors Limiting Yield - W. Oilseed Rape | 204 |
| 87/R/RA/2 Seed Rates and Row Spacings - W. Oilseed Rape | 213 |
| 87/R/RA/3 Varieties and Fungicides - W. Oilseed Rape | 215 |
| 87/R/RA/4 Growth Regulators and Fungicides - W. Oilseed Rape | 220 |
| 87/R/RA/5 Precision Sowing - W. Oilseed Rape | 224 |
| 87/R/RA/6 Straw Treatments Before Sowing - W. Oilseed Rape | 228 |
| 87/R/RA/7 Forms and Times of N - W. Oilseed Rape | 232 |
| 87/R/RA/11 Oversowing in Wheat - W. Oilseed Rape | 235 |
| 87/R/RA/13 Times and Methods of Harvest - W. Oilseed Rape | 237 |
| 87/R/SU/1 Early Varieties and Plant Health - Sunflowers | 240 |
| 87/R/SU/3 Pests and Pathogens - Sunflowers | 242 |
| 87/R/SU/4 Fungicide and Botrytis - Sunflowers | 244 |
| 87/R/SU/7 Sowing Dates - Sunflowers | 247 |
| 87/R/MA/2 Dazomet and N - Maize | 249 |
| Sunflowers | 249 |
| 87/R/BR/1 Anti-feedants - Broccoli | 252 |
| Potatoes | 254 |
| 87/R/P/1 and 87/W/P/1 Varieties - Potatoes | 254 |
| 87/R/P/2 Seed Health Progeny - Potatoes | 257 |
| 87/W/P/2 Varieties and Control of Globodera Pallida - Potatoes | 264 |
| 87/R/P/4 Effects of Seed Tuber Treatments - Potatoes | 266 |
| Mixed Crops | 268 |
| 87/R/M/1 and 87/W/M/1 Inputs for Winter Cereals - W. Triticale, Wheat, Barley, Rye - Mixed Crops | 268 |
| 87/R/M/2 Factors Affecting Eyespot - W. Wheat, Barley - Mixed Crops | 272 |
| 87/W/M/2 Comparison of Combines - W. Wheat, Rye - Mixed Crops | 276 |
| 87/E/1 Meteorological Records for 1987 - Rothamsted | 279 |
| 87/E/1 Meteorological Records for 1987 - Woburn | 280 |
| Conversion Factors | 281 |
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