| Yields of the Field Experiments 1974 | 1 |
| Yields of the Field Experiments 1974 | 1 |
| Contents 1974 | 3 |
| Conventions 1974 | 7 |
| Harvest Areas for Cereals | 8 |
| Experiments - Classicals | 9 |
| 74/R/BK/1 Broadbalk - Potatoes, Beans, Wheat | 9 |
| 74/R/HB/2 Hoosfield - Potatoes, Beans, Barley | 15 |
| 74/R/WF/3 Wheat and Fallow - Wheat | 23 |
| 74/R/EX/4 Exhaustion Land - Barley | 25 |
| 74/R/PG/5 Park Grass - Old Grass | 27 |
| 74/R/AG/6 Agdell - Barley, Potatoes | 31 |
| 74/R/BN/7 Barnfield - Beans, Potatoes, Barley | 39 |
| 74/R/GC/8 Garden Clover - Clover | 42 |
| 74/S/RN/1 Rotation I - Grass, Lucerne | 44 |
| 74/S/RN/2 Rotation II - Potatoes, Barley, Sugar Beet | 49 |
| Rotations | 57 |
| 74/R/RN/1 and 74/R/RN/2 Ley/ARABLE - Old Grass, Leys, Sugar Beet, Wheat | 57 |
| 74/W/RN/3 Ley/ARABLE - Leys, Barley, Potatoes, Wheat | 73 |
| 74/W/RN/4 Market Garden - Fallow | 83 |
| 74/W/RN/5 Arable Reference Plots - Barley, Potatoes, Wheat, Kale, Permanent Grass | 84 |
| 74/W/RN/6 Arable Reference Plots - Oats, Sugar Beet, Barley, Ley, Potatoes, Permanent Grass | 90 |
| 74/R/RN/7 Residual Phosphate - Potatoes, Barley, Wheat, Ley | 95 |
| 74/R/RN/8 Cultivation/WEEDKILLER - Potatoes | 100 |
| 74/R/RN/9 Cereal Disease Reference Plots - Beans, Oats, Wheat | 104 |
| 74/R/RN/11 Irrigation - Wheat , Kale | 106 |
| 74/W/RN/12 Organic Manuring - Sugar Beet, Wheat | 113 |
| 74/W/RN/13 Intensive Cereals - Ley, Potatoes, Wheat, Barley | 121 |
| 74/W/RN/14 Long Term Phosphate - Ley | 128 |
| 74/W/RN/15 Rotation and Fumigation - Potatoes, Barley, Sugar Beet | 130 |
| 74//W/RN/16 Effects of Deep P K - Wheat, Sugar Beet, Barley, Potatoes | 136 |
| Crop Sequences | 140 |
| 74/R/CS/1 Levels of N and K - Barley | 140 |
| 74/R/CS/2 Grazed Reference Plots - Old Grass | 143 |
| 74/R/CS/6 Wheat After Intensive Barley - Wheat, Beans | 144 |
| 74/R/CS/10 and 74/W/CS/10 Long-term Liming - Potatoes | 146 |
| 74/W/CS/11 Soil Structure - Wheat | 153 |
| 74/R/CS/13 N Levels to Old Grass - Old Grass | 155 |
| 74/R/CS/14 N P K to Old Grass - Old Grass | 157 |
| 74/W/CS/16 Irrigation and Eelworms - Potatoes | 171 |
| 74/R/CS/24 P K and Take-all - Wheat | 175 |
| 74/W/CS/34 Nematicides in Crop Sequence - Potatoes, Sugar Beet, Barley | 181 |
| 74/W/CS/35 Nematicides Dosage - Potatoes, Sugar Beet, Barley | 187 |
| 74/R/CS/41 Cultivations and Soil Invertebrates - Old Grass, New Grass | 197 |
| 74/W/CS/49 Resistance to Cyst Nematode - Spring Wheat | 200 |
| 74/W/CS/55 Fumigation and N - Beans | 203 |
| 74/W/CS/66 Dazomet and Nitrogen - Maize | 205 |
| 74/W/CS/78 Nematodes and Verticillium - Potatoes | 207 |
| 74/R/CS/82 Chemical Control of Soil-borne Pathogens - Beans | 210 |
| 74/R/CS/90 Cultivations for Cereals - Wheat | 212 |
| 74/W/CS/99 Effects of Breaks on Take-all - Barley, Beans | 214 |
| 74/R/CS/106 Chemical Control of Pathogens - Ryegrass | 216 |
| 74/R/CS/107 Varieties and Pathogens - Ryegrass | 222 |
| 74/R/CS/103 Benomyl and Sclerotinia - Clover | 225 |
| 74/R/CS/110 and 74/W/CS/110 Fertiliser and Fym - Wheat | 227 |
| 74/R/CS/116 Effects of Stem Eelworm - Beans | 235 |
| 74/R/CS/123 Effects of Viruses - Ryegrass, Red Clover | 237 |
| 74/R/CS/125 Varieties and Aldicarb - Oats | 243 |
| 74/R/CS/127 Ridging, Aldicarb and Ditylenchus - Onions | 246 |
| 74/R/CS/129 Pesticide and Pest Predators - Wheat | 248 |
| 74/R/CS/130 Effects of Earthworm Inoculation - New Grass | 250 |
| 74/R/CS/131 Effects of Earthworm Destruction - Old Grass | 252 |
| 74/R/CS/133 Control of Pathogens - Maize | 254 |
| 74/R/CS/135 Direct Drilling and Diseases - Winter Barley | 255 |
| 74/W/CS/138 Control of Pcn - Potatoes | 257 |
| 74/R/CS/139 Fungicides and K - Barley | 260 |
| 74/R/CS/140 Chemical Reference Plots - Barley | 262 |
| 74/R/CS/144 N and Weedkiller - Old Grass | 265 |
| 74/R/CS/148 Slow-release N - Potatoes | 270 |
| 74/R/CS/149 and 74/W/CS/149 Liquid Fertilisers - Potatoes | 272 |
| 74/S/CS/1 Varieties, N and Ccc - Wheat | 278 |
| Annuals - Wheat | 284 |
| 74/R/WW/1 and 74/W/WW/1 Varieties, N and Ccc - W. Wheat | 284 |
| 74/R/WW/2 Rates of Mercury Seed Dressings - W. Wheat | 289 |
| 74/R/WW/3 Fungicides - W. Wheat | 291 |
| 74/R/WW/4 Seed Dressing Rates and Bulb Fly - W. Wheat | 294 |
| 74/R/WS/1 N Levels and Physiology - S. Wheat | 296 |
| Barley | 298 |
| 74/R/B/4 and 74/W/B/4 Varieties and N - Barley | 298 |
| 74/R/B/5 Systemic Fungicides Study - Barley | 301 |
| 74/R/B/7 Times of Applying Fungicides - Barley | 303 |
| 74/R/B/8 Distance and Mildew Spread - Barley | 306 |
| 74/R/B/10 Control of Cereal Aphids and Bydv - Barley | 308 |
| 74/R/B/13 Insecticide and Beneficial Insects - Barley | 310 |
| 74/R/B/14 Slow-release N - Barley | 312 |
| 74/S/B/1 Varieties, N and Fungicide - Barley | 316 |
| 74/R/O/1 Sowing Dates, Aphids and Bydv - Winter Oats | 320 |
| Beans | 323 |
| 74/R/BE/1 Virus Control - Beans | 323 |
| 74/R/BE/2 Insecticide and Beneficial Insects - Beans | 325 |
| 74/R/BE/3 Varieties and Viruses - Beans | 327 |
| 74/R/BE/4 Synthetic Pyrethroid - Beans | 329 |
| 74/R/BE/6 Control of Weevils - Beans | 331 |
| 74/R/BE/7 Control of Stem Eelworm - Beans | 333 |
| Potatoes | 335 |
| 74/R/P/1 and 74/W/P/1 Varieties - Potatoes | 335 |
| 74/R/P/2 and 74/W/P/2 Seed Stocks and Seed Treatment - Potatoes | 339 |
| 74/R/P/3 Seed Sources - Potatoes | 345 |
| 74/W/P/3 Methods of Incorporating Nematicides - Potatoes | 347 |
| 74/R/P/4 Blight and Aphid Reference Plots - Potatoes | 350 |
| 74/W/P/4 Soil Fungicides and Scab - Potatoes | 354 |
| 74/R/P/5 Spacing and Fertiliser - Potatoes | 356 |
| 74/R/SW/1 Control of Mildew - Swedes | 361 |
| 74/R/G/1 Grass Rates and Forms of N - Grass | 363 |
| 74/R/M/6 Control of Frit Fly - Maize, Sweet Corn - Mixed Crops | 370 |
| 74/E/1 Meteorological Records 1974 - Rothamsted | 373 |
| 74/E/1 Meteorological Records 1974 - Woburn | 374 |
| 74/E/1 Meteorological Records 1974 - Saxmundham | 375 |
| Conversion Factors | 376 |
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