Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 312
... cost of application are shown in Table 4. For the sake of comparison , these costs have been calculated at the 1 lb ... cost per acre figure being used could be reduced accordingly . Another cost which should be included in the analysis ...
... cost of application are shown in Table 4. For the sake of comparison , these costs have been calculated at the 1 lb ... cost per acre figure being used could be reduced accordingly . Another cost which should be included in the analysis ...
Page 316
... costs of insecticide . ( A = insecticide cost of $ 5.00 . B = insecticide cost of $ 3.50 . Gross margin / EE $ 5.00 ) Economic Threshold Tables Differences in the number of porina which represent the economic threshold are caused by ...
... costs of insecticide . ( A = insecticide cost of $ 5.00 . B = insecticide cost of $ 3.50 . Gross margin / EE $ 5.00 ) Economic Threshold Tables Differences in the number of porina which represent the economic threshold are caused by ...
Page 96
... cost in materials and products , productivity , and the indirect cost of having grasses in the sward which produce at a lower level than the most desirable species present . CONCLUSIONS Carbetamide at the 3.0 lb level selectively ...
... cost in materials and products , productivity , and the indirect cost of having grasses in the sward which produce at a lower level than the most desirable species present . CONCLUSIONS Carbetamide at the 3.0 lb level selectively ...
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