Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 53
... significantly from un- treated . YIELD OF SEED PEAS In the weed - free trials , differences between treatments were not signifi- cant at Irwell ( Table 3 ) or in Greenfeast at Lincoln ( Table 2 ) . The double rate of prometryne plus ...
... significantly from un- treated . YIELD OF SEED PEAS In the weed - free trials , differences between treatments were not signifi- cant at Irwell ( Table 3 ) or in Greenfeast at Lincoln ( Table 2 ) . The double rate of prometryne plus ...
Page 66
... significantly except in the case of SP and SAL . In Trial B , the single lenacil treatment almost equalled the yield from the combined pyrazon / lenacil treatment which was significantly better than other treatments except for the ...
... significantly except in the case of SP and SAL . In Trial B , the single lenacil treatment almost equalled the yield from the combined pyrazon / lenacil treatment which was significantly better than other treatments except for the ...
Page 87
... significantly from that of the surrounding soil , due overall to a lower pH in the 3 to 6 in . horizon on the barley grass areas . The barley grass sites did have significantly higher levels of soil salinity and available soil nitrogen ...
... significantly from that of the surrounding soil , due overall to a lower pH in the 3 to 6 in . horizon on the barley grass areas . The barley grass sites did have significantly higher levels of soil salinity and available soil nitrogen ...
Contents
Presidential Address W F Leonard | 15 |
Control of Hornwort Ceratophyllum demersum B E Manson | 23 |
Endothal as an Aquatic Herbicide G W Woon and G W Mason | 30 |
Copyright | |
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Common terms and phrases
abAB acre aphid application areas assessment asulam atrazine Auckland Australian soldier fly autumn barley grass bromus mollis BYDV Canterbury carbetamide cereal aphid chemical chlormequat Christchurch crop damage Department of Agriculture diazinon dicamba diquat disulfoton dry matter effect ester farm farmers fathen fenitrothion fensulfothion formulations gorse grain gran granules grass grub grazing growth harvest heptachlor herbicides increase infestation insecticide ioxynil larvae lb/acre lindane linuron lucerne matagouri MCPA MCPB means and signif methabenzthiazuron mixture N.Z. Weed organophosphate P.O. Box paddock paraquat parathion pasture response peas Pest Control Conf phenmedipham phorate picloram plants plots porina post-emergence Proc production prometryne pyrazon rainfall rates reduced replicates residual ryegrass samples season significant simazine soil sowing sown species spraying Stat Summary Table terbutryne thistle tion Total treated Treatment lb trials trichlorfon Untreated variety Weed & Pest weed control weed seeds wheat white clover willow weed yield Zealand