May 31 

 June 1 



NAME OF CENTRE 



Old Hall, Emley 



Stainton Manor, Rotherham 

 Wressle, Howden 



Wressle, Howden 

 Huntow Farm, Bridlington 



The Grange, Bridlington 

 Pollington, Snaith 



Hutton Cranswick 



Hutton Cranswick 



Pollington Grange, Snaith 



Laxton, Howden 

 Waplington, Pocklington 



Waplington, Pocklington 

 Staincliffe Lodge, Aughton 

 Shipton-Thorpe, Market Weighton 



Givendale, Boroughbridge 



Stonehills, Bridlington 

 Birkby Nab, Ripon 

 Sherburn, E. R. 

 Thrope Hall, Howden 

 Scurft Hall, Drax 

 Sutton-on-Derwent 

 Leconfield Park, Beverley 

 Hunmanby 

 Carr House, Tickhill 



Kind 

 of Crop 



Barley 



With or 



Without 



Seeds 



Strength of 



Sulphate of Iron 



Solution 



6, 8, 14 per cent 



%%, 10, 11J6, 13, 14X percent 

 i\%, 13, H'X, i$U percent 



10 per cent 



7U1 10, " per cent 



7% per cent 

 7/4, &U per cent 



7%, 10 per cent 



10, 12% per cent 



10, \2%, 14 per cent 



10, 11X, 12^ per cent 

 7 l A, %%, 10 per cent 



10, 12% per cent 



10, i\%, 12% per cent 



10, 1 1 J4 per cent 



10, 11X. "&. <2^. 13^ per cent 



\2%, 14, 15 per cent 

 10 per cent 

 10, 16% per cent 

 12^ per cent 



10, \2%, 15 per cent 



io, i2j£, 15 per cent 

 14 per cent 



Strength of 



Sulphate of Copper 



Solution 



2 per cent 



\% per cent 



1% per cent 



3>4 per cent 



1% per cent 



1%, 3 per cent 



y/t per cent 



2, 2&, 3, 3'A per cent 



2 per cent 



Weather 



Calm and bright 



Windy 

 Windy and wet 



Fine 



Windy, with showers 



Fine 

 Fine 



Fine, but windy 



Fine, but windy 



Very fine 



Very fine 

 Fine 



Very fine 

 Rather windy 

 Rather strong wind 



Very fine 



A little wind 



Windy 



Windy 



A little wind 



Fine 



Very fine 



A little wind 



Rather windy 



Fine 



Condition of Charlock 



Just in rough leaf 



Just in rough leaf 

 Very thick, strong 



Very thick, strong 

 Strong 



Strong 



Thick, almost in flower 



Fairly abundant, small 



Stronger 



Very thick, just flowering 



Strong, just flowering 

 Not thick, but strong 



Much smaller 



Very thick, just floweriug 



Very thick, just flowering 



Very thick, mostly in flower 



Very strong and plentiful 



Very thin 



In full fl. iwer 



In full flower 



Very big and strongly grown 



In full flower 



Seed pods forming 



Charlock small 



Charlock just in flower 



RESULTS 



Charlock all killed with strong solution and much 

 checked with weaker. No damage to corn. 



Runch not killed but checked. 



Wind and rain immediately followed spraying. 

 Charlock browned but not killed. 



Spraying repeated. Charlock demolished. 



Some of the charlock killed, remainder much 

 checked. 



Charlock partially killed. Seeds not injured. 



Charlock slightly checked, but not killed. Solu- 

 tions not strong enough. 



Not all killed, but good results obtained, especially 

 with strong solution. 



The strong solution produced a satisfactory re- 

 sult. No damage to seeds or corn. 



Considerably checked. Eventually overcome by 

 corn. 



Charlock damaged. 



Foliage of runch destroyed, but many stems re- 

 tained vitality. 



Charlock not killed outright, but injured. 



Only partially killed even with strong solution. 



Good results with strong solution where sprayed 

 twice over. Sulphate of Copper not so good. 



Charlock nearly all killed when double sprayed. 

 Leaves stripped off with single dressing. 



Not successful. 



Very little charlock to be killed. 



Charlock checked. 



To strong and old to be killed completely. 



Charlock nearly all killed. 



Successful. 



Large number killed. Charlock 2% feet high. 



Charlock killed with strongest solution. 



Charlock nearly all dead where sprayed twice over. 



