Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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Page 182
... yield potential of 7 t / ha ( Tables 1 and 2 ) . However the yield of the crop at Methven , which was irrigated on 20 December , approached its estimated potential of 8 t / ha ( Table 3 ) . TABLE 1 : Effects of fungicide treatments on ...
... yield potential of 7 t / ha ( Tables 1 and 2 ) . However the yield of the crop at Methven , which was irrigated on 20 December , approached its estimated potential of 8 t / ha ( Table 3 ) . TABLE 1 : Effects of fungicide treatments on ...
Page 317
... yield of roots and shoots ( Fig . 2 ) . The control of weeds for the initial 10 weeks after sowing , or for longer periods , did not significantly change final yield . Obviously , fast - growing weeds that established more rapidly than ...
... yield of roots and shoots ( Fig . 2 ) . The control of weeds for the initial 10 weeks after sowing , or for longer periods , did not significantly change final yield . Obviously , fast - growing weeds that established more rapidly than ...
Page 318
... yield reduction . However , beet is not a good competitor and weed interference for periods greater than 10 weeks did contribute to yield reductions . The reduced yields in this experiment were associated with changes in per plant ...
... yield reduction . However , beet is not a good competitor and weed interference for periods greater than 10 weeks did contribute to yield reductions . The reduced yields in this experiment were associated with changes in per plant ...
Contents
A relationship between seed yield of white clover and density of yarrow G | 5 |
Fungicide seed treatment to improve establishment of ryegrasses and other | |
Weed control in lentils J H B Butler and W A Jermyn | 3 |
Copyright | |
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35th N.Z. Weed adult Agric aphid application Argentine stem weevil asparagus assessed atrazine Auckland bait barley beetle Canterbury chemical chlorpyrifos Christchurch crop cultivars damage density diazinon diquat disease diuron DSIR effect endophyte EPTC ester fensulfothion field trials foliar formulation fungicide g/ha gave germination glyphosate gorse grass grub grazing growth Hamilton harvest herbicides hexazinone infection insecticide kg ai/ha kg/ha kiwifruit larvae leaf levels lindane linuron litres/ha loam lucerne MCPA METHODS nematodes nodding thistle numbers oxamyl P.O. Box paddocks Palmerston North paraquat pasture permethrin Pest Control Conf picloram plants plots populations porina post-emergence Proc prochloraz production programme pyrethroids ragwort reduced regrowth replicates residues Ruakura ryegrass samples season seed treatment seedlings significant significantly simazine slug soil sown species spray stage stripe rust Table tamarillo tested triadimefon triclopyr untreated Weed and Pest weed control weeks wheat white clover yield Zealand