Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3743Chemical news office., 1932 |
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Strona 22
... arsenite Solutions of this were used at the following concentrations : ( a ) 5 per cent . solution on uncut weeds without a spreader . ( b ) 5 per cent . solution on cut weeds without a spreader . ( c ) 2 per cent , solution on uncut ...
... arsenite Solutions of this were used at the following concentrations : ( a ) 5 per cent . solution on uncut weeds without a spreader . ( b ) 5 per cent . solution on cut weeds without a spreader . ( c ) 2 per cent , solution on uncut ...
Strona 24
... arsenite soln . No spreader Paraffin oil emulsion ... 5 per cent . by vol . 10 ... 99 99 99 5 99 99 99 10 99 99 99 5 per cent . by wt . 5 per cent . by vol . Ditto 10 ... 99 99 99 Na arsenite soln . No spreader ... ... 5 per cent . by ...
... arsenite soln . No spreader Paraffin oil emulsion ... 5 per cent . by vol . 10 ... 99 99 99 5 99 99 99 10 99 99 99 5 per cent . by wt . 5 per cent . by vol . Ditto 10 ... 99 99 99 Na arsenite soln . No spreader ... ... 5 per cent . by ...
Strona 26
... arsenite is an excellent general weed killer at 2 or 5 per cent . concentra- tions , with or without a spreader ; thus on six plots the percentage kill is greater than 90. It is also excellent against onions from bulbules , and good ...
... arsenite is an excellent general weed killer at 2 or 5 per cent . concentra- tions , with or without a spreader ; thus on six plots the percentage kill is greater than 90. It is also excellent against onions from bulbules , and good ...
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