Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 50
Although a number of weather parameters, including turbulence were measured,
correlation with the spray distribution pattern measurements was found to occur
only with the strength of the crosswind. These tests highlight the risk of errors ...
Although a number of weather parameters, including turbulence were measured,
correlation with the spray distribution pattern measurements was found to occur
only with the strength of the crosswind. These tests highlight the risk of errors ...
Page 149
At 3-4 weeks after sowing , plants in 10 one metre lengths of row , selected at
random , were counted to measure ... crops were harvested , as for process crops
and trial E_was harvested for seed by hand - pulling plants from measured areas
.
At 3-4 weeks after sowing , plants in 10 one metre lengths of row , selected at
random , were counted to measure ... crops were harvested , as for process crops
and trial E_was harvested for seed by hand - pulling plants from measured areas
.
Page 25
The objective of the experiment was to measure the productivity of grass-legume
mixtures based on the nine grasses and six legumes listed in Table 1. ...
Performance of the swards was measured under rotational grazing by sheep.
The objective of the experiment was to measure the productivity of grass-legume
mixtures based on the nine grasses and six legumes listed in Table 1. ...
Performance of the swards was measured under rotational grazing by sheep.
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Contents
Annual weeds in established lucerne T P Palmer | 5 |
Lucerne insect survey K G Somerfield and P A Burnett | 14 |
Kain M J Esson T V Holland and D S Atkinson | 23 |
Copyright | |
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activity adults Agricultural aphid appeared application areas assessed atrazine autumn barley grass beetle caused chemical clover compared counts crop cultivars damage DISCUSSION disease early effect emergence established experiment field four further gave germination grass grub growth harvest herbicides higher included increase indicate infection insecticide INTRODUCTION kg/ha larvae leaf leaves less lotus lower lucerne maize major material mean measured method months N.Z. Weed North numbers occurred P.O. Box pasture period Pest Control Conf plants plots population present Proc production rates recorded reduced REFERENCES replicates reported Research residual resistant root ryegrass samples season seed seedlings showed shown significant significantly similar soil sowing sown species spray spring stage stem Summary summer Table tested treated treatments trials untreated Weed and Pest weed control weeks weevil weight white clover XXX XXX XXX yield Zealand