Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
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Page 59
Yield Total yields of asparagus in all mulch treatments were not significantly
different from the bare ground treatment in both harvest years ( Table 4 ) . The
bark mulch produced the highest yield in both years and straw tended to depress
yield .
Yield Total yields of asparagus in all mulch treatments were not significantly
different from the bare ground treatment in both harvest years ( Table 4 ) . The
bark mulch produced the highest yield in both years and straw tended to depress
yield .
Page 60
TABLE 3 : Kiwifruit trial : Effect of mulching treatments on mean weed cover from
five recordings ( % of bare ground ) and mean soil test levels ( ppm ) . Depth
Weed Soil test levels ( cm ) cover к Treatment N . 35 19 400 425 500 61 Sawdust
...
TABLE 3 : Kiwifruit trial : Effect of mulching treatments on mean weed cover from
five recordings ( % of bare ground ) and mean soil test levels ( ppm ) . Depth
Weed Soil test levels ( cm ) cover к Treatment N . 35 19 400 425 500 61 Sawdust
...
Page 160
... against mountain pine and was not as effective as the other three chemicals on
Scots pine at the higher altitude . On uneven or stony ground it is difficult to
remove all live foliage , which ensures the killing of a high proportion of the cut
trees .
... against mountain pine and was not as effective as the other three chemicals on
Scots pine at the higher altitude . On uneven or stony ground it is difficult to
remove all live foliage , which ensures the killing of a high proportion of the cut
trees .
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Contents
Author Index | 9 |
Address by Sir David Beattie to 40th Annual Conference | 15 |
CEREALS | 21 |
Copyright | |
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activity annual application assessment Auckland barley bioassay block Canterbury chemical clover compared concentrations cost crop damage determined disease early effect eggs emergence established experiments field flowering fluazifop-butyl four fruit fungicides gave glyphosate grass growth Hamilton harvest herbicides higher increased infection insecticide kg/ha larvae leaf leaves less loam mean measured method mite months N.Z. Weed North occurred P.O. Box pasture period Pest Control Conf plants plots populations predicted present Private Proc production programme quizalofop range recommended recorded reduced replicates reported Research residual resistance samples scale season seed seedlings shoot showed shown significant significantly Silwet similar soil species spray spring stage stem strains summer surfactant Table temperature thrips tillers treated treatment trees trial untreated Weed and Pest weed control weeks weight yield Zealand