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Strona 22
It was thought that non - wetting of the onion surfaces by the chlorate solutions
might have been responsible for the poor effect , and the following experiments
were designed with the notion of comparing the weed killing effect of wetting ...
It was thought that non - wetting of the onion surfaces by the chlorate solutions
might have been responsible for the poor effect , and the following experiments
were designed with the notion of comparing the weed killing effect of wetting ...
Strona 24
Tab Reference no . of Plot Total no . of we before spraying Weed killing medium .
Treatment of plot Concentration uncut 1 2 3 cut uncut ܘܬ cut ܗ uncut Cresols -
soap soln . . . . . . . . . . . . . . . . 5 per cent . by vol . Ditto .
Tab Reference no . of Plot Total no . of we before spraying Weed killing medium .
Treatment of plot Concentration uncut 1 2 3 cut uncut ܘܬ cut ܗ uncut Cresols -
soap soln . . . . . . . . . . . . . . . . 5 per cent . by vol . Ditto .
Strona 26
As a rough guide to the efficacy of any treatment , the weed killers can be
arranged in classes according as the reduction in weeds falls within the following
tentative and arbitrary limits : < 33 per cent . reduction , no weed killing effect ; 33
- 66 ...
As a rough guide to the efficacy of any treatment , the weed killers can be
arranged in classes according as the reduction in weeds falls within the following
tentative and arbitrary limits : < 33 per cent . reduction , no weed killing effect ; 33
- 66 ...
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