| Rothamsted Yields of the Field Experiments 1981 | 1 |
| Contents 1981 | 3 |
| Conventions 1981 | 7 |
| Harvest Areas for Cereals | 8 |
| 81/R/BK/1 Broadbalk - W. Wheat, Fallow, Potatoes | 9 |
| 81/R/HB/2 Hoosfield - S. Barley | 14 |
| 81/R/WF/3 Wheat and Fallow - W. Wheat | 18 |
| 81/R/EX/4 Exhaustion Land - S. Barley | 19 |
| 81/R/PG/5 Park Grass - Hay | 21 |
| 81/R/AG/6 Agdell - W. Beans, W. Wheat | 26 |
| 81/R/BN/7 Barnfield - Italian Ryegrass | 31 |
| 81/R/GC/8 Garden Clover - Red Clover | 34 |
| 81/S/RN/1 Rotation I - Grass W. Wheat | 36 |
| 81/S/RN/2 Rotation II - W. Wheat, W. Beans | 44 |
| 81/R/RN/1 and 81/R/RN/2 Ley Arable - Old Grass, Leys, S. Oats, Potatoes, S. Beans, S. Barley, W. Wheat | 47 |
| 81/W/RN/3 Ley/ARABLE - Leys, S. Barley, S. Beans, W. Wheat | 59 |
| 81/R/RN/5 Arable Reference Plots - S. Barley, Ley, Potatoes, W. Wheat, Kale | 65 |
| 81/W/RN/6 Arable Reference Plots - W. Barley, W. Oats | 70 |
| 81/R/RN/7 Residual Phosphate - Ley | 76 |
| 81/R/RN/8 Cultivation Weedkiller - W. Barley | 80 |
| 81/W/RN/12 Organic Manuring - S. Barley, S. Beans, Ley. | 83 |
| 81/W/RN/13 Intensive Cereals - Ley | 88 |
| 81/W/RN/14 Long Term Phosphate - Clover/GRASS Ley | 90 |
| 81/W/RN/16 Effects of Deep Pk - S. Barley | 93 |
| 81/R/RN/17 Rates of P and K to the Subsoil - Potatoes, S. Barley, S. Beans, W. Wheat | 95 |
| 81/R/SC/10 and 81/W/CS/10 Long Term Liming - S. Oats | 102 |
| 81/W/CS/11 Soil Structure - Potatoes | 105 |
| 81/R/CS/13 N Levels to Old Grass - Old Grass | 107 |
| 81/W/CS/34 Nematicides in Crop Sequence - Potatoes, W. Wheat, S. Barley. | 111 |
| 81/W/CS/35 Nematicides Dosage - W. Wheat, S. Barley | 118 |
| 81/W/CS/66 Dazomet and Nitrogen - Forage Maize | 122 |
| 81/W/CS/99 Effects of Breaks on Take-all - S. Barley, S. Wheat, S. Oats | 124 |
| 81/R/CS/130 Effects of Earthworm Inoculation - Ley | 127 |
| 81/R/CS/133 Control of Pathogens - Forage Maize | 130 |
| 81/R/CS/140 Chemical Reference Plots - S. Barley | 132 |
| 81/R/CS/165 Sclerotinia Control - Red and White Clover | 136 |
| 81/W/CS/174 Sowing Dates and Ccn - S. Oats | 138 |
| 81/R/CS/200 and 81/W/CS/200 Factors Affecting Yield - Ryegrass, White Clover, Lucerne | 144 |
| 81/R/CS/202 Effects of Phialophora - W. Wheat | 161 |
| 81/R/CS/203 Species Mixtures and Phialophora - W. Wheat | 163 |
| 81/R/CS/211 Factors Affecting Eyespot - W. Wheat | 165 |
| 81/R/CS/212 Seasonal Effects of Take-all - S. Beans, W. Wheat | 169 |
| 81/R/CS/216 and 81/W/CS/216 Effects of Subsoiling & Deep Pk - S. Barley | 171 |
| 81/R/CS/230 Stubble Treatment and Light Leaf Spot - S. Barley | 174 |
| 81/R/CS/234 Septoria Study - W. Wheat | 176 |
| 81/W/CS/245 Minimum Cultivation and Deep Pk - W. Wheat, W. Barley | 179 |
| 81/R/CS/246 Effects of Subsoiling & Deep Pk - S. Barley | 187 |
| 81/R/CS/247 Organic Matter and Earthworm Inoculation - W. Wheat | 189 |
| 81/R/CS/250 Control of Cephalosporium - W. Wheat | 191 |
| 81/W/CS/253 Late N - W. Wheat | 193 |
| 81/R/CS/254 Soil Fumigation, Mycorrhiza and P - W. Barley | 195 |
| 81/R/CS/256 Fungicides and Soil-borne Diseases - W. Wheat | 198 |
| 81/R/CS/258 Liquid Fertiliser and Nitrification Inhibitors - Ryegrass | 200 |
| 81/R/CS/261 Benomyl and Take-all - W. Wheat | 204 |
| 81/R/CS/263 Fungicide Times - W. Oilseed Rape | 206 |
| 81/R/CS/264 Fungicide Rates - W. Oilseed Rape, S. Barley | 209 |
| 81/R/CS/265 Soil Fumigation, Mycorrhiza and P - S. Wheat | 212 |
| 81/S/CS/1 Factors Affecting Yield - W. Wheat | 215 |
| 81/R/WW/1 and 81/W/WW/1 Varieties - W. Wheat | 221 |
| 81/R/WW/2 Seed Rates & Divided N Dressings - W. Wheat | 226 |
| 81/R/WW/3 Factors Limiting Yield - W. Wheat | 229 |
| 81/W/WW/3 Growth and Yield on a Contrasted Site - W. Wheat | 244 |
| 81/R/WW/4 Fungicides and Microflora - W. Wheat | 250 |
| 81/R/WW/5 Direct Drilling and Slug Control - W. Wheat | 253 |
| 81/R/WW/6 Predators and Polythene Barriers - W. Wheat | 255 |
| 81/R/WW/7 Integrated Pest Control - W. Wheat | 257 |
| 81/R/WW/8 Varieties, Weedkillers and Pests - W. Wheat | 259 |
| 81/R/WW/9 Nitrification Inhibitors and Soil N - W. Wheat | 261 |
| 81/R/WS/1 Alternaria Inoculation - S. Wheat | 263 |
| 81/R/B/1 Factors Limiting Yield - W. Barley | 264 |
| 81/W/B/1 Mildew Study - W. & S. Barley | 273 |
| 81/R/B/2 Rhynchosporium Studies - W. Barley | 277 |
| 81/R/B/3 Seed Treatment and Rhynchosporium - W. Barley | 280 |
| 81/R/B/6 and 81/W/B/6 Varieties, N and Fungicide - S. Barley | 282 |
| 81/R/B/7 Sowing Dates and Insecticides - S. Barley | 285 |
| 81/R/B/9 Electrostatic Spray Study (Biological) - S. Barley | 287 |
| 81/R/B/13 Mildew Sources - S. Barley | 289 |
| 81/S/B/1 Amounts and Times of N, Growth Regulator and Pathogen Control - W. Barley | 292 |
| 81/W/O/1 Control of Cereal Cyst-nematode - S. Oats | 296 |
| 81/R/BE/2 Fungicides - W. Beans | 298 |
| 81/R/BE/5 Effects of Pests & Pathogens - W. Beans | 300 |
| 81/R/BE/6 Effects of Pests and Pathogens - S. Beans | 302 |
| 81/R/BE/8 Electrostatic Spray Study (Biological) - S. Beans | 304 |
| 81/R/BE/9 Control of Sitona - S. Beans | 306 |
| 81/R/BE/10 Times of Applying Erynia - S. Beans | 308 |
| 81/R/BE/11 Conidiobolus and Aphids - S. Beans | 310 |
| 81/R/BE/12 Control of Pratylenchus - S. Beans | 312 |
| 81/R/BE/13 Varieties and Blrv - S. Beans | 313 |
| 81/R/BE/14 Precision Sowing - S. Beans | 315 |
| 81/R/BE/15 Alarm Pheromone Study - S. Beans | 317 |
| 81/R/BE/16 Varieties - S. Beans | 319 |
| 81/R/BE/19 Electrostatic Spraying and Aphids - S. Beans | 321 |
| 81/R/PE/1 and 81/W/PE/1 Effects of Pests and Pathogens - Peas | 323 |
| 81/R/PE/2 Control of Sitona - Peas | 325 |
| 81/R/MA/1 Rates and Times of N - Forage Maize | 327 |
| 81/W/P/1 Varieties and Potato Cyst-nematode - Potatoes | 329 |
| 81/R/P/2 Electrostatic Application of Fungicide - Potatoes | 331 |
| 81/R/P/3 Seed Treatment and Tuber Size - Potatoes | 333 |
| 81/R/P/5 Alarm Pheromone Study - Potatoes | 335 |
| 81/R/G/1 Nitrification Inhibitors - Grass | 337 |
| Meteorological Records 1981 - Rothamsted | 342 |
| Meteorological Records 1981 - Woburn | 343 |
e-RAdoc:
The electronic Rothamsted Documents Archive
This work is licensed under a Creative Commons Attribution 4.0 International License.
eRAdoc
is developed at Rothamsted Research
