| Yields of the Field Experiments 1976 | 2 |
| Contents 1976 | 3 |
| Conventions 1976 | 7 |
| Table of Means | 8 |
| Harvest Areas for Cereals | 8 |
| Experiments - Classicals | 10 |
| 76/R/BK/1 Broadbalk - Wheat, Potatoes, Beans | 10 |
| 76/R/HB/2 Hoosfield - Barley, Potatoes , Beans | 15 |
| 76/R/WF/3 Wheat and Fallow - Wheat | 22 |
| 76/R/EX/4 Exhaustion Land - Barley | 23 |
| 76/R/PG/5 Park Grass - Old Grass | 25 |
| 76/R/AG/6 Agdell - Potatoes , Barley | 30 |
| 76/R/BN/7 Barnfield - Beans, Ryegrass | 36 |
| 76/R/GC/8 Garden Clover - Clover | 40 |
| 76/S/RN/1 Rotation I - Grass, Lucerne | 41 |
| 76/S/RN/2 Rotation II - Barley | 44 |
| Rotations | 49 |
| 76/R/RN/1 and 75/R/RN/2 Ley Arable - Old Grass, Leys, Potatoes, Wheat | 49 |
| 76/W/RN/3 Ley/ARABLE - Leys, Barley, Oats, Wheat | 64 |
| 76/W/RN/4 Market Garden - Ryegrass | 70 |
| 76/R/RN/5 Arable Reference Plots - Barley, Ley, Potatoes, Wheat, Kale, Old Grass | 71 |
| 76/W/RN/6 Arable Reference Plots - Oats, Sugar Beet, Barley, Ley, Potatoes, Old Grass | 76 |
| 76/R/RN/7 Residual Phosphate - Wheat, Ley | 81 |
| 76/R/RN/8 Cultivation/WEEDKILLER - Beans | 87 |
| 76/R/RN/11 Irrigation - Barley, Maize | 90 |
| 76/W/RN/12 Organic Manuring - W. Oats, Barley | 96 |
| 76/W/RN/13 Intensive Cereals - Ley, Potatoes, Wheat, Barley | 99 |
| 76/W/RN/14 Long-term Phosphate - Ley | 104 |
| 76/W/RN/15 Rotation and Fumigation - Potatoes, Barley, Sugar Beet | 106 |
| 76/W/RN/16 Effects of Deep P K - Wheat, Sugar Beet, Barley, Potatoes | 112 |
| Crop Sequences | 117 |
| 76/R/CS/1 Levels of N and K - Potatoes | 117 |
| 76/R/CS/10 and 76/W/CS/10 Long-term Liming - S. Oilseed Rape | 120 |
| 76/W/CS/11 Soil Structure - Ryegrass | 126 |
| 76/R/CS/13 N Levels to Old Grass - Old Grass | 128 |
| 76/R/CS/14 N P K to Old Grass - Old Grass | 131 |
| 76/W/CS/16 Irrigation and Eelworms - Potatoes | 143 |
| 76/R/CS/24 P K and Take-all - Continuous - Wheat | 150 |
| 76/W/CS/34 Nematicide in Crop Sequence - Potatoes, Wheat, Barley | 153 |
| 76/W/CS/35 Nematicide Dosage - Potatoes, Barley | 160 |
| 76/R/CS/41 Cultivations and Soil Invertebrates - Old Grass, New Grass | 165 |
| 76/W/CS/66 Dazomet and Nitrogen - Maize | 168 |
| 76/R/CS/90 Cultivation for Cereals - Wheat | 170 |
| 76/W/CS/99 Effects of Breaks on Take-all - Barley, S. Beans | 172 |
| 76/R/CS/109 Benomyl and Sclerotinia - W. Beans | 174 |
| 76/R/CS/110 Fertiliser and Fym - W. Beans | 176 |
| 76/R/CS/130 Effects of Earthworm Inoculation - Ley | 178 |
| 76/R/CS/131 Effects of Earthworm Destruction - Old Grass | 179 |
| 76/R/CS/133 Control of Pathogens - Maize | 181 |
| 76/W/CS/138 Control of Pcn - Potatoes | 184 |
| 76/R/CS/140 Chemical Reference Plots - Barley | 187 |
| 76/R/CS/155 Rainfall and Leaching - Oats | 190 |
| 76/R/CS/156 Leatherjacket Study - Old Grass | 192 |
| 76/W/CS/159 Methods of Incorporating Nematicides - Potatoes | 195 |
| 76/R/CS/161 Injected N - Old Grass | 199 |
| 76/R/CS/162 Times of Applying Acaricide - Ryegrass | 205 |
| 76/R/CS/166 and 76/W/CS/166 Liquid Fertilisers - Wheat | 210 |
| 76/R/CS/169 Organic Matter and Responses to N - Grass | 214 |
| 76/W/CS/174 Sowing Dates and Ccn - W. Wheat, S. Wheat, Barley and Oats | 219 |
| 76/R/CS/176 Stem-eelworm Control - W. Onions | 222 |
| 76/R/CS/180 Factors Affecting Yield - Beans | 223 |
| 76/W/CS/181 Green Manure - Barley | 235 |
| 76/W/CS/183 Factor Affecting Yield and Pcn Control - Potatoes | 239 |
| 76/W/CS/184 Cereal Cyst Nematode Study - Oats | 245 |
| 76/R/CS/185 Late N - Potatoes | 246 |
| 76/S/CS/1 Varieties, N and Ccc - Wheat | 248 |
| Annuals - Wheat | 251 |
| 76/R/WW/1 and 76/W/WW/1 Varieties, N, Ccc and Fungicides - W. Wheat | 251 |
| 76/R/WW/2 and 76/W/WW/2 Aqueous N and Nitrification Inhibitors - W. Wheat | 256 |
| 76/R/WW/3 and 76/W/WW/3 Growth and Yield on Contrasted Sites - W. Wheat | 260 |
| 76/R/WW/4 Sowing Dates and Insecticides - W. Wheat | 266 |
| 76/R/WW/5 Fungicides - W. Wheat | 268 |
| 76/R/WW/6 Varieties and Rates of N - W. Wheat | 270 |
| 76/R/WW/7 Rates and Times of N and K - W. Wheat | 272 |
| 76/R/WW/8 Fungicides and Grain Microflora - W. Wheat | 276 |
| 76/R/WW/14 Seed Rates and Divided N Dressings - W. Wheat | 278 |
| 76/R/WW/15 Effects of Autumn N on Broadbalk - W. Wheat | 284 |
| 76/R/WW/16 Factors Limiting Yield - W. Wheat | 287 |
| 76/S/WW/1 Rates and Times of N and Fungicide - W. Wheat | 289 |
| 76/R/WS/1 Fungicides and Grain Microflora - S. Wheat | 292 |
| Barley | 294 |
| 76/R/B/1 Factors Affecting Mildew Control and Yield - Barley | 294 |
| 76/R/B/3 and 76/W/B/3 Varieties and N - Barley | 298 |
| 76/R/B/4 N and Foliar Diseases - S. Barley | 301 |
| 76/R/B/5 Sowing Dates and Pathogen Control - Barley | 304 |
| 76/R/B/6 Effects of Mildew Sources on Disease Control - Barley | 307 |
| 76/R/B/7 Mildew Control in Systemic and Balanced Designs - Barley | 309 |
| 76/R/B/8 Mixed Varieties and Mildew - Barley | 311 |
| 76/R/B/9 Insecticides and Beneficial Insects - Barley | 313 |
| 76/R/B/10 Comparison of Sprayers - Barley | 314 |
| 76/R/B/11 Mildew Tolerance to Ethirimol - Barley | 316 |
| 76/S/B/1 Varieties, N and Fungicides - Barley | 317 |
| 76/R/O/1 Sowing Dates and Insecticides - Oats | 321 |
| 76/R/BE/1 Crop Density and Chocolate Spot - W. Beans | 323 |
| 76/R/BE/5 Aphids and Entomophthora - S. Beans | 325 |
| 76/R/BE/6 Control of Sitona Larvae - S. Beans | 326 |
| 76/R/P/1 Irrigation and Seed Sources - Potatoes | 328 |
| 76/W/P/1 Nutrients and Control of Pcn - Potatoes | 331 |
| 76/R/ON/1 Single and Divided Applications of Aldicarb - Onions | 338 |
| 76/R/SW/1 Effects of Fungicides and Insecticides - Swedes | 340 |
| 76/R/RA/1 Effects of Pathogens - Oilseed Rape | 342 |
| 76/R/LP/2 and 76/W/LP/2 Control of Pathogens - Lupins | 343 |
| 76/R/MA/1 Nitrification Inhibitors - Maize | 346 |
| 76/R/G/1 and 76/W/G/1 Aqueous Ammonia and Nitrification Inhibitors - Grass | 348 |
| 76/E/1 Meteorological Records 1976 - Rothamsted | 356 |
| 76/E/1 Meteorological Records 1976 - Woburn and Saxmundham | 357 |
| 75/W/RN/6 Extra Page | 358 |
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