| Yields of the Field Experiments 1965 | 1 |
| Contents 1965 | 4 |
| Classical Experiments | 9 |
| 65/R/BK/A/1 Broadbalk - Wheat | 9 |
| 65/R/HB/A/2 Hoosfield - Barley | 15 |
| 65/R/HWF/A/3 Hoosfield - Wheat After Fallow | 17 |
| 65/R/AG/A/4 Agdell - Grass | 19 |
| 65/R/BN/A/5 Barnfield - Fallow | 23 |
| 65/R/PG/A/6 Park Grass - Hay | 25 |
| 65/R/EX/A/7 Hoosfield Exhaustion Land - Barley | 27 |
| 65/R/GC/A/8 Rothamsted Garden - Clover | 29 |
| 65/W/WPW/A/9 and 65/W/WPB/A/9 Stackyard Woburn - Microplots | 31 |
| 65/S/SA/A/10 Saxmundham - Rotation 1 | 33 |
| 65/S/SB/A/11 Saxmundham - Rotation 2 | 35 |
| Rotation Experiments | 37 |
| 65/R/HIA/B/1 and 65/R/FLA/B/1 Ley and Arable Rotations | 37 |
| 65/R/B/2 and 65/W/B/2 Reference Plots (Ra, Rg, Wra, Wrf) | 53 |
| 65/W/WGM/B/3 Green Manuring | 65 |
| 65/W/WLA/B/4 Ley and Arable Rotations | 71 |
| 65/W/WMG/B/5 Market Garden Soil | 83 |
| 65/W/WIR/B/6 Irrigation | 95 |
| 65/R/RP/B/7 Residual Phosphate Rotation | 107 |
| 65/R/CW/B/8 Cultivation-weedkiller Rotation | 111 |
| 65/W/WCW/B/9 Cultivation-weedkiller Rotation | 117 |
| Crop Sequence Experiments - Crops in 1965 | 121 |
| 65/R/LM/C/1 and 65/W/WAC/C/1 Levels of K and Mg - Barley, Potatoes and Sugar Beet | 121 |
| 65/R/IB/C/2 Intensive Barley Growing - Cereals | 127 |
| 65/R/LL/C/3 and 65/W/WLL/C/3 Long-term Liming - Barley | 129 |
| 65/R/AY/C/4 and 65/W/WBC/C/4 Methods of Application of Fertiliser 1964-65 - Winter Wheat | 133 |
| 65/W/WBT/C/5 Methods of Application of Fertiliser 1964-65 - Potatoes | 137 |
| 65/R/AF/C/6 Levels of N and K - Grass 8th Year | 139 |
| 65/R/AO/C/7 Decline of Take-all - Winter Wheat | 141 |
| 65/R/AP/C/8 Chemical Control of Take-all - Winter Wheat | 143 |
| 65/R/AQ/C/9 Cereal Disease Reference Plots - Wheat | 145 |
| 65/R/AX/C/10 N and N P K Residues - Barley | 147 |
| 65/R/BB/C/11 Chemical Control of Wireworm - Spring Wheat | 151 |
| 65/R/AZ/C/12 Row Spacing N and Paraquat - Lucerne 2nd Year | 153 |
| 65/R/BA/C/13 Paraquat - Barley | 159 |
| 65/R/IR/C/14 Irrigation - Potatoes and Spring Beans | 161 |
| 65/W/WAS/C/15 One Year Leys for Wheat - Winter Wheat | 171 |
| 65/W/WBE/C/16 Trefoil and Ryegrass Green Manures - Sugar Beet | 175 |
| 65/W/WBD/C/17 Row Spacing and Fertilisers 1964-65 - Barley | 181 |
| 65/W/WBU/C/18 Row Spacing and Fertilisers 1965-66 - Potatoes | 183 |
| 65/W/C/19 Soil Structure 2 Woburn - Red Beet | 187 |
| 65/W/C/20 Soil Structure 4 - Lettuce and Red Beet | 189 |
| 65/R/C/21 Oxamide - Grass | 193 |
| 65/R/C/22 N P K - Old Grass (Park Grass Microplots) | 197 |
| 65/R/BV/C/23 Growth Study Residues - Barley | 209 |
| 65/R/BH/C/24 Sod Seeding and Pests - Winter Wheat | 211 |
| 65/R/BJ/C/25 Intensive Winter Wheat - Winter Barley | 213 |
| 65/R/BP/C/26 Legumes and Barley - Barley | 215 |
| 65/R/BQ/C/27 Previous Crops and N for Barley - Spring Wheat, Kale and Ryegrass | 217 |
| 65/R/C/28 Rate of Action of P Fertilisers - Early Potatoes and Radishes | 221 |
| 65/R/C/29 and 65/W/C29 Formalin and N - 2 Sites - Spring Wheat (Br, Bs, Wbm) | 223 |
| 65/W/WBL/C/30 Scorch Study - Spring Wheat 2nd Year | 227 |
| 65/W/WBO/C/31 Fumigants - Spring Wheat | 231 |
| 65/W/C/32 K and Protein Synthesis - Grass | 233 |
| 65/R/C/33 N and Cutting - Old Grass (Park Grass Microplots) | 237 |
| Annual Experiments | 239 |
| 65/R/RW301/DA/1 Winter Wheat - Varieties and N | 239 |
| 65/R/RW201/DA/2 Winter Wheat and Spring Wheat - Varieties and N | 241 |
| 65/R/RW401/DA/3 and 65/W/WW101/DA/3 Winter Wheat - Row Spacing | 245 |
| 65/R/RW501/DA/4 Winter Wheat - Spun Seed | 247 |
| 65/R/BG1/DA/5 Winter Wheat - Sowing Dates and Bulb Fly | 249 |
| 65/R/RW601/DA/6 Spring Wheat - Ccc | 251 |
| 65/R/RB101/DB/1AND 65/W/WB101/DB/1 Barley - Row Spacing | 253 |
| 65/W/WB201/DB/2 Barley - Urea | 257 |
| 65/R/RBE101/DC/1 Winter Beans - Irrigation and Row Spacing | 259 |
| 65/R/RP101/DD/1 Potatoes - Dsa | 261 |
| 65/R/RP201/DD/2 Potatoes - Effect of Gaps | 263 |
| 65/R/RP301/DD/3 Potatoes - Oospora | 265 |
| 65/R/RP401/DD/4 Potatoes - Rhizoctonia | 267 |
| 65/R/RP501/DD/5 Potatoes - Times of Burning Off | 269 |
| 65/R/RP701/DD/6 Potatoes - Fungicide Sprays | 271 |
| 65/R/RP801/DD/7 Potatoes - Soil Fungicides and Cultivations | 273 |
| 65/R//DD/8 Potatoes - Soil Fungicides | 275 |
| 65/W/WP701/DD/9 Potatoes - Tuber Blight | 277 |
| 65/W/WCT 101/DE/1 Carrots - Control of Motley Dwarf Virus | 279 |
| 65/W/WK/E/DF/1 Kale - Urea | 281 |
| Miscellaneous Data | 283 |
| 65/E/1 Meteorological Readings - Rothamsted | 283 |
| 65/E/1 Meteorological Readings - Woburn | 284 |
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