Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3743Chemical news office., 1932 |
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Strona 21
... effect of chemicals ( particularly chlorates ) on the weeds , and , for this purpose , an area was selected where the following weeds were abundant : Allium vineale ( wild onion ) , Rubus caesius ( dew- berry ) , Cnicus arvensis ...
... effect of chemicals ( particularly chlorates ) on the weeds , and , for this purpose , an area was selected where the following weeds were abundant : Allium vineale ( wild onion ) , Rubus caesius ( dew- berry ) , Cnicus arvensis ...
Strona 22
... effect , and the fol- lowing experiments were designed with the notion of comparing the weed killing effect of wetting ' solutions of chlorates with other possible weed killing media . The following were tried : ( 1 ) Cresols - soap ...
... effect , and the fol- lowing experiments were designed with the notion of comparing the weed killing effect of wetting ' solutions of chlorates with other possible weed killing media . The following were tried : ( 1 ) Cresols - soap ...
Strona 26
... effect ; 33-66 per cent . re- duction , moderate weed killers ; 66-90 per cent . reduction , good weed killers ; > 90 per cent . reduction , excellent weed killers . In general it will be noticed that , where the plots were cut ...
... effect ; 33-66 per cent . re- duction , moderate weed killers ; 66-90 per cent . reduction , good weed killers ; > 90 per cent . reduction , excellent weed killers . In general it will be noticed that , where the plots were cut ...
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