| Yields of the Field Experiments 1977 |
| Yields of the Field Experiments 1977 | 1 |
| Contents 1977 | 3 |
| Conventions 1977 | 6 |
| Harvest Areas for Cereals | 7 |
| Table of Means | 7 |
| Experiments - Classicals | 8 |
| 77/R/BK/1 Broadbalk - Wheat, Potatoes, Beans | 8 |
| 77/R/HB/2 Hoosfield - Barley, Potatoes , Beans | 13 |
| 77/R/WF/3 Wheat and Fallow - Wheat | 21 |
| 77/R/EX/4 Exhaustion Land - Barley | 22 |
| 77/R/PG/5 Park Grass - Old Grass | 24 |
| 77/R/AG/6 Agdell - Ryegrass, Ryegrass/CLOVER | 29 |
| 77/R/BN/7 Barnfield - Ryegrass | 31 |
| 77/R/GC/8 Garden Clover - Clover | 34 |
| 77/S/RN/1 Rotation I - Grass, Lucerne, Potatoes, Beans | 35 |
| 77/S/RN/2 Rotation II - Wheat, Barley | 41 |
| Rotations | 46 |
| 77/R/RN/1 and 77/R/RN/2 Ley/ARABLE - Old Grass, Leys, Barley, Oats, Sugar Beet, Wheat | 46 |
| 77/W/RN/3 Ley/ARABLE - Leys, Barley, Oats , Wheat | 56 |
| 77/W/RN/4 Market Garden - Ryegrass | 62 |
| 77/R/RN/5 Arable Reference Plots - Barley, Ley, Potatoes, Wheat, Kale, Old Grass | 63 |
| 77/W/RN/6 Arable Reference Plots - Oats, Sugar Beet, Barley, Ley, Potatoes, Old Grass | 68 |
| 77/R/RN/7 Residual Phosphate - Ley, Wheat | 72 |
| 77/R/RN/8 Cultivation/WEEDKILLER - S. Wheat | 78 |
| 77/W/RN/12 Organic Manuring - W. Oats, Potatoes | 81 |
| 77/W/RN/13 Intensive Cereals - Wheat, Barley | 85 |
| 77/W/RN/14 Long-term Phosphate - Ley | 89 |
| 77/W/RN/15 Rotation and Fumigation - Potatoes, Barley, Sugar Beet | 91 |
| 77/W/RN/16 Effects of Deep P K - Wheat, Sugar Beet, Barley, Potatoes | 97 |
| Crop Sequences | 101 |
| 77/R/CS/10 and 79/W/CS/10 Long-term Liming - Oats | 101 |
| 77/W/CS/11 Soil Structure - Ley | 112 |
| 77/R/CS/13 N Levels to Old Grass - Old Grass | 114 |
| 77/R/CS/14 N P K to Old Grass - Old Grass | 118 |
| 77/W/CS/16 Irrigation and Eelworms - Potatoes | 132 |
| 77/R/CS/24 P K and Take-all - Wheat | 139 |
| 77/W/CS/34 Nematicides in Crop Sequence - Potatoes, Wheat, Barley | 142 |
| 77/W/CS/35 Nematicides Dosage - Potatoes | 149 |
| 77/R/CS/41 Cultivations and Soil Invertebrates - Old Grass, New Grass | 154 |
| 77/W/CS/66 Dazomet and Nitrogen - Maize | 157 |
| 77/R/CS/90 Cultivations for Cereals - Wheat | 159 |
| 77/W/CS/99 Effects of Breaks on Take-all - Barley, Beans | 161 |
| 77/R/CS/130 Effects of Earthworm Inoculation - Ley | 165 |
| 77/R/CS/131 Effects of Earthworm Destruction - Old Grass | 168 |
| 77/R/CS/133 Control of Pathogens - Maize | 171 |
| 77/R/CS/140 Chemical Reference Plots - Barley | 173 |
| 77/W/CS/159 Methods of Incorporating Nematicides - Potatoes | 176 |
| 77/R/CS/161 Injected N - Old Grass | 180 |
| 77/R/CS/162 Times of Applying Acaricide - Ryegrass | 202 |
| 77/W/CS/174 Sowing Dates and Ccn - S. Wheat, Barley and Oats | 207 |
| 77/R/CS/176 Stem-eelworm Control - Onions | 216 |
| 77/R/CS/180 Factors Affecting Yield - Wheat | 218 |
| 77/W/CS/181 Green Manure - Barley, Potatoes | 229 |
| 77/W/CS/183 Factors Affecting Yield and Pcn Control - Potatoes | 233 |
| 77/W/CS/184 Cereal Cyst Nematode Study - Oats | 242 |
| 77/R/CS/185 Late N - Wheat | 247 |
| 77/R/CS/193 Effects of Pathogens - Oilseed Rape | 249 |
| 77/R/CS/195 Aqueous Ammonia and Nitrification Inhibitors - Old Grass | 253 |
| 77/R/CS/196 Single and Divided Applications of Aldicarb - Onions | 258 |
| 77/R/CS/198 Nitrification Inhibitors - Maize | 260 |
| 77/R/CS/200 and 77/W/CS/200 Factors Affecting Yield - Ryegrass, Clover, Lucerne | 262 |
| 77/R/CS/201 Factors Affecting Yield - Beans | 274 |
| 77/R/CS/202 Effects of Phialophora Inoculation - Ryegrass, S. Wheat, Oats | 292 |
| 77/R/CS/204 Clover Varieties in Grass/CLOVER Mixtures - Ryegrass, Clover | 294 |
| 77/R/CS/205 Nitrification Inhibitors - Kale | 296 |
| 77/R/CS/206 Late N - Potatoes | 299 |
| 77/S/C/1 Varieties, N and Ccc - Barley | 302 |
| Annuals - Wheat | 312 |
| 77/R/WW/1 Varieties, N and Fungicide - W. Wheat | 312 |
| 77/R/WW/2 and 77/W/WW/2 Aqueous N and Nitrification Inhibitors - W. Wheat | 317 |
| 77/R/WW/4 Sowing Dates and Insecticides - W. Wheat | 324 |
| 77/R/WW/6 Rates and Times of N and K - W. Wheat | 326 |
| 77/S/WW/1 Rates and Times of N and Fungicide - W. Wheat | 329 |
| 77/R/WS/1 Fungicides, Grain Microflora - S. Wheat | 332 |
| 77/R/WS/2 Irrigation, Lodging, N, Ccc and Microflora - S. Wheat | 334 |
| Barley | 337 |
| 77/W/B/1 Irrigation, P, K, and Root Growth - Barley | 337 |
| 77/R/B/2 and 77/W/B/2 Varieties and N - Barley | 343 |
| 77/R/B/3 N and Foliar Diseases - Barley | 346 |
| 77/R/B/4 Nitrification Inhibitors and Foliar Diseases - Barley | 350 |
| 77/R/B/5 Mixed Varieties and Mildew - Barley | 354 |
| 77/R/B/6 Sowing Dates and Pathogen Control - Barley | 356 |
| 77/R/B/7 Mildew Control in a Serially Balanced Design - Barley | 359 |
| 77/R/B/8 Effects of Mildew Sources on Disease Control - Barley | 361 |
| 77/R/B/9 Mildew Tolerance to Ethirimol - Barley | 363 |
| 77/R/B/12 Precision Seeding - Barley | 364 |
| 77/R/O/1 Sowing Dates and Insecticides - Oats | 370 |
| Beans | 372 |
| 77/R/BE/1 Crop Density and Chocolate Spot - Beans | 372 |
| 77/R/BE/4 Aphids and Entomophthora - Beans | 375 |
| 77/R/BE/5 Control of Stem Eelworm - Beans | 377 |
| 77/R/BE/6 Drills and Plant Populations - Beans | 379 |
| 77/R/BE/8 Soil Insecticides and Sitona Control - Beans | 381 |
| 77/R/BE/11 Red Tick Lines - Beans | 383 |
| 77/R/BE/14 Comparison of Sprayers - Beans | 385 |
| 77/R/LP/1 and 77/W/LP/1 Control of Pathogens - Lupins | 387 |
| 77/R/LP/2 Seed Rates, Row Spacing and Pathogen Control - Lupins | 389 |
| 77/R/PE/1 and 77/W/PE/1 Control of Pathogens - Peas | 391 |
| 77/R/PE/3 Effects of N - Peas | 396 |
| 77/R/G/1 and 77/W/G/1 Aqueous Ammonia and Nitrification Inhibitors - Grass | 398 |
| 77/E/1 Meteorological Records 1977 - Rothamsted | 410 |
| 77/E/1 Meteorological Records 1977 -woburn and Saxmundham | 411 |
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