Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
From inside the book
Results 1-3 of 26
Page 18
... cost of the roller is excluded , rolling at a contract rate of $ 8 is more cost- effective for grass grub control than the use of fensulfothion at $ 194 / ha for material + $ 6 / ha for application . Unfortunately , Roller 1 , which is ...
... cost of the roller is excluded , rolling at a contract rate of $ 8 is more cost- effective for grass grub control than the use of fensulfothion at $ 194 / ha for material + $ 6 / ha for application . Unfortunately , Roller 1 , which is ...
Page 71
... cost per hive which would be incurred if the number of gorse flowers was reduced by 10 , 25 or 50 percent . Those who replied said there would be an average cost for each hive of $ 5.24 for reducing flowers by 10 percent , $ 5.10 for 25 ...
... cost per hive which would be incurred if the number of gorse flowers was reduced by 10 , 25 or 50 percent . Those who replied said there would be an average cost for each hive of $ 5.24 for reducing flowers by 10 percent , $ 5.10 for 25 ...
Page 183
... costs ; the costs of weed control and of lost production . The former cost is easily assessed since the costs of herbicides , cultivation and other weed control procedures are usually known . The cost of lost production cannot be ...
... costs ; the costs of weed control and of lost production . The former cost is easily assessed since the costs of herbicides , cultivation and other weed control procedures are usually known . The cost of lost production cannot be ...
Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
29 other sections not shown
Other editions - View all
Common terms and phrases
39th N.Z. Weed adult alachlor aphid application asparagus assessed atrazine beetle benomyl biological control buprofezin BYDV Californian thistle captafol chemicals chlorpyrifos clopyralid cover crawlers crop damage density diazinon discoideus disease DSIR effect eggs fensulfothion field foliage formulation fruit fungicides glyphosate gorse grass grub greedy scale growers growth haloxyfop EE harvest herbicides hexazinone increased infested insect insecticide insensitive instar kg ai/ha kiwifruit larvae leaf litres litres/ha lucerne metalaxyl metsulfuron mg ai/litre miticides mortality nematodes numbers orchard P.O. Box Palmerston North paraquat parasite pasture pathogens persimilis Pest Control Conf pesticides plants plots population porina Proc prochloraz ragwort rates reduced regrowth replicates Research residues root Ruakura ryegrass samples season seed treatments seedlings significant significantly Silwet Sitona soil spears species spray sprayer surfactant Table tamarillo tested trees trials trifluralin untreated control vinclozolin vines Weed and Pest weed control weeks whitefly yield Zealand