Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 141
... Chemical means are available to remove all seed - contaminating weeds other than mallow ( Malva spp . ) and red clover ( see other papers in these Proceedings ) . No information is available of the effect of the chemicals on seed yield ...
... Chemical means are available to remove all seed - contaminating weeds other than mallow ( Malva spp . ) and red clover ( see other papers in these Proceedings ) . No information is available of the effect of the chemicals on seed yield ...
Page 253
CHEMICAL CONTROL OF GRASS GRUB RESULTS OF TRIAL WORK DURING 1967-8 SEASON P. H. RAAIJEN Farm Chemicals Company Ltd. , Mapua , Nelson Summary The performance of ten experimental chemicals in the control of Costelytra zealandica White was ...
CHEMICAL CONTROL OF GRASS GRUB RESULTS OF TRIAL WORK DURING 1967-8 SEASON P. H. RAAIJEN Farm Chemicals Company Ltd. , Mapua , Nelson Summary The performance of ten experimental chemicals in the control of Costelytra zealandica White was ...
Page 230
... chemicals and formulations of those chemicals . In this context , deficiencies in the present session arose from lack of correlation between methods of application and particularly in the relative performance of conventional methods ...
... chemicals and formulations of those chemicals . In this context , deficiencies in the present session arose from lack of correlation between methods of application and particularly in the relative performance of conventional methods ...
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