Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 57
... Samples of soil were collected using a soil corer . Two cores , approximately 2.5 cm dia . x 20 cm deep were taken per row before planting . Harvesting was carried out by machine on 31 March 1977 ( 18 weeks ) and soil cores were taken ...
... Samples of soil were collected using a soil corer . Two cores , approximately 2.5 cm dia . x 20 cm deep were taken per row before planting . Harvesting was carried out by machine on 31 March 1977 ( 18 weeks ) and soil cores were taken ...
Page 208
... samples were collected for residue analysis 1 , 2 , 4 , 6 , 9 and 15 days after application . Samples were taken in the early evening from three randomly selected 0.5 x 0.5 m areas on each sub- plot by cutting the pasture on each area ...
... samples were collected for residue analysis 1 , 2 , 4 , 6 , 9 and 15 days after application . Samples were taken in the early evening from three randomly selected 0.5 x 0.5 m areas on each sub- plot by cutting the pasture on each area ...
Page 179
... samples easier and more accurate . If biomass is also being estimated and sampling is left until late winter or early spring , some allowance has to be made for compensatory growth of the surviving earthworms in the treated plots . The ...
... samples easier and more accurate . If biomass is also being estimated and sampling is left until late winter or early spring , some allowance has to be made for compensatory growth of the surviving earthworms in the treated plots . The ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
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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