Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3743Chemical news office., 1932 |
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Strona 22
... detailed , no spreader1 was needed because sufficient soap present to confer wetting and spreading properties . The dike water used in diluting these media , and in making subsequent spraying media containing soap as a spreader , was ...
... detailed , no spreader1 was needed because sufficient soap present to confer wetting and spreading properties . The dike water used in diluting these media , and in making subsequent spraying media containing soap as a spreader , was ...
Strona 26
... detailed figures are given for these also , particularly as the wild onion is difficultly - eradicable . The reductions are given as percentages of the number of weeds present before spray- ing ; the information in parentheses in ...
... detailed figures are given for these also , particularly as the wild onion is difficultly - eradicable . The reductions are given as percentages of the number of weeds present before spray- ing ; the information in parentheses in ...
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