Giant buttercup is not as common as creeping buttercup but is the most aggressive of the buttercups found in New Zealand. Donaghys Grunt 600 Glyphosate is the strongest fully surfactant loaded glyphosate in the world. Options Available • Fertility/Fertilization • Multispecies grazing • Mowing/clipping ... the grass species in pastures It does not pay to rely solely on herbicides to control pasture weeds. Non Volatile – Low Odour. Buttercups tend to be a problem in moist dairy pastures. buttercup, chickweed, henbit, purple deadnettle and cressleaf groundsel. Buttercup can tolerate wet soil conditions better than many other species, so buttercup out competes the grasses, and creeping buttercup in particular spreads rapidly. This rate of 2,4-D will kill all red clover, but will do minimal damage to established white clover. Maintain the same cow numbers but feed them more to maximise efficiency. It is a non-residual herbicide for non-selective control of most annual and perennial weeds and a wide range of brush weeds in agriculture, horticulture, forestry and industrial areas. Mow your thistles. However, legumes such as clovers interseeded with grass pastures can be severely injured or killed by these herbicide products. ... • Herbicides kill the weeds, but may kill your legumes too . ... agreement with Dairy NZ, ... Utilise the extra pasture production when there is no giant buttercup in the pasture. It grows in a rosette Read more Read less. Lower the acidity of soil, increase percolation and fertilize for cultural buttercup control. 4. It can also be used for conservation tillage. For annual species such as hairy buttercup a herbicide application is best made from late autumn to late winter. Controlling buttercup and other pasture weeds Timing is the key University of Tennessee Extension forage specialists say timing is key to pasture management. Henbit. Do not seed clover for six weeks after herbicide application. 4. Best results are obtained in the spring when weeds are actively growing within a vigorous, competitive pasture or … This will mean you’d need a contractor to come in to cultivate and later undersow pasture seed (undersowing is vastly superior to over-sowing). o Modelling the effects of a mycoherbicide with a hypothetical 50% kill of giant buttercup suggests that profitability improves by $485/ha. For optimum results apply a herbicide in the early spring (February - March) before flowers are observed, when buttercup plants are still small and actively growing. Kill Buttercup Weeds Chemically. Controls Wide range of weeds in new and mature pasture. Controls most species of thistles, buttercup and many other flatweeds in pasture. Buttercup likes nutrient poor, compact soil with a low pH. 20L 200L Baton® Sprinter® Ammo®Max Synergy ™ 2,4-D Ester 680 Active ingredient: 680 g/litre 2,4-D as the ethylhexyl ester in the form of an emulsifiable concentrate. Once you have tried all the steps above to kill buttercup weeds, and only if they are still persistent, it is time to consider chemical warfare. Harmony ® 50SG is a soluble granule to be mixed with water and applied as a foliar spray for control of buttercups and docks in pasture and cereals. They can tolerate wet soil conditions better than many other species, including perennial ryegrass and white clover, allowing buttercups to out-compete more desirable species. To get rid of buttercups in your pasture or hayfield is a two step process; spray to kill the existing buttercups and improve the conditions that favor grass production. 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