Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 99
Considerable reductions in the amount of bare ground occurred if grazing was
prevented ( Table 3 ) but , as noted previously , barley grass control suffered . B.
COMPARISON OF CARBETAMIDE AND OTHER HERBICIDES FOR BARLEY ...
Considerable reductions in the amount of bare ground occurred if grazing was
prevented ( Table 3 ) but , as noted previously , barley grass control suffered . B.
COMPARISON OF CARBETAMIDE AND OTHER HERBICIDES FOR BARLEY ...
Page 100
TABLE 4 : EXPERIMENT 1 , 1968 BARLEY GRASS COVER AND BARE
GROUND AT 6/1/69 Treatment ( lb ) % Barley Grass % Bare Ground Control
carbetamide 3.0 asulam 1.5 MSMA 2.0 2,2 - DPA 2.0 31 4 32 37 1 nil 31 nil nil 21
...
TABLE 4 : EXPERIMENT 1 , 1968 BARLEY GRASS COVER AND BARE
GROUND AT 6/1/69 Treatment ( lb ) % Barley Grass % Bare Ground Control
carbetamide 3.0 asulam 1.5 MSMA 2.0 2,2 - DPA 2.0 31 4 32 37 1 nil 31 nil nil 21
...
Page 138
CAST GROUND APPLICATION OF PESTICIDES J. R. F. McLEAN Ivon Watkins-
Dow Ltd., New Plymouth Summary Two techniques for improving the accuracy of
broadcast ground application of pesticides are described. Ouick-acting herbicide
...
CAST GROUND APPLICATION OF PESTICIDES J. R. F. McLEAN Ivon Watkins-
Dow Ltd., New Plymouth Summary Two techniques for improving the accuracy of
broadcast ground application of pesticides are described. Ouick-acting herbicide
...
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Common terms and phrases
acre activity Agriculture annual aphid appear application areas assessment atrazine barley grass carbetamide carried cause chemical clover compared cost crop damage dead Department diazinon differences DISCUSSION early effect emergence established Experiment factors farm farmers fensulfothion field formulations further gave give given grain granules grass grub grazing growth height herbicides important included increase indicated infestation insecticide larvae less lines lodging loss lower lucerne maize materials matter means measured method mixture North observed obtained occurred P.O. Box paddock paraquat pasture period Pest plants plots population porina possible present problem Proc production rainfall rates recorded reduced reported Research residual response ryegrass samples season seed showed shown significant soil species spraying spring stage standard Summary surface Table tion tolerance treated treatment trials variety weed control weeks yield Zealand