Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
From inside the book
Results 1-3 of 80
Page 121
... chemical assay of six samples of Egmont volcanic sandy loam previously ' spiked ' with atrazine at dosages of from 0.0625-2 ppmw . The soil organic matter content was 11 % . TABLE 1 : BIOLOGICAL AND CHEMICAL ASSAYS OF ATRAZINE IN EGMONT ...
... chemical assay of six samples of Egmont volcanic sandy loam previously ' spiked ' with atrazine at dosages of from 0.0625-2 ppmw . The soil organic matter content was 11 % . TABLE 1 : BIOLOGICAL AND CHEMICAL ASSAYS OF ATRAZINE IN EGMONT ...
Page 208
... chemical was applied at five rates , viz . 0.25 , 0.5 , 0.75 , 1.0 and 1.5 kg / ha , using the five sub - plots in each plot for one chemical . Each rate was applied in 650 litres / ha of water by making two identical passes over the ...
... chemical was applied at five rates , viz . 0.25 , 0.5 , 0.75 , 1.0 and 1.5 kg / ha , using the five sub - plots in each plot for one chemical . Each rate was applied in 650 litres / ha of water by making two identical passes over the ...
Page 188
... chemical is given , including chemical and physical properties , toxicology , spectrum of activity , compatibility with other pesticides , and crop safety . Reference to trial work in New Zealand assessing efficacy against European red ...
... chemical is given , including chemical and physical properties , toxicology , spectrum of activity , compatibility with other pesticides , and crop safety . Reference to trial work in New Zealand assessing efficacy against European red ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
27 other sections not shown
Other editions - View all
Common terms and phrases
29th N.Z. Weed activity adults Agric Agricultural Research Centre alachlor aphid application areas assessed asulam atrazine Auckland autumn azinphos-methyl barley grass benomyl BGLA black beetle blue-green lucerne aphid brassicas Canterbury carbofuran chemical chlorpyrifos Christchurch crop cultivars cypermethrin damage diflubenzuron disease DSIR effect emergence ethofumesate fensulfothion field trials foliage fungicides germination gorse granules grass grub growth Hamilton harvest herbicides increased insect insecticides isazophos kg/ha larvae leaf legumes Lincoln linuron litres/ha lucerne lucerne yield maize method mite nematode North Island numbers oats P.O. Box Palmerston North paraquat pasture Pest Control Conf phorate picloram plants plots population post-emergence Proc pyri rates reduced replicates residual resistant Ruakura Ruakura Agricultural Research ryegrass samples season seed seedlings significant significantly soil sowing sown species spray sprayer spring stage summer Table tested treatments triclopyr untreated Weed and Pest weed control weeks weevil Wellington white clover white-fringed weevil Zealand