Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 44
... crop in South Canterbury . All crops are spring sown and dense weed invasion usually occurs . Cultivation helps to reduce weed density , but almost all South Canterbury pea crops require spraying . A mixture of dinoseb and MCPB is most ...
... crop in South Canterbury . All crops are spring sown and dense weed invasion usually occurs . Cultivation helps to reduce weed density , but almost all South Canterbury pea crops require spraying . A mixture of dinoseb and MCPB is most ...
Page 139
... CROP PRODUCTION Seeds of pasture species may be produced as , more or less , a by - product of pasture production or as special - purpose crops with or without asso- ciated grazing ( see Garrett , 1957 ) . Browntop ( Agrostis tenuis ) ...
... CROP PRODUCTION Seeds of pasture species may be produced as , more or less , a by - product of pasture production or as special - purpose crops with or without asso- ciated grazing ( see Garrett , 1957 ) . Browntop ( Agrostis tenuis ) ...
Page 38
... crop was harvested at the greenfeed stage on March 26 , 1969 , when the height was 10 ft 6 in . Yield data are given in Table 1 . All rates are in lb active ingredients per acre . TABLE 1 : DRY MATTER YIELDS , TRIAL 1 Treatment ( lb ) ...
... crop was harvested at the greenfeed stage on March 26 , 1969 , when the height was 10 ft 6 in . Yield data are given in Table 1 . All rates are in lb active ingredients per acre . TABLE 1 : DRY MATTER YIELDS , TRIAL 1 Treatment ( lb ) ...
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