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soil supply

Catalogue: GRDC Updates (South)
The capacity of the plant to take up potassium is not directly related to potassium in solution... Spraying is best done when there is some wind, and when the operator can be sure that wind direction has stabilised... Driftability of amine formulations The 2,4- D products Surpass and Amicide 625 which were used in the trial are considered to be nonvolatile any drift that is associated with these products will be droplet drift not vapour drift...
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Catalogue: GRDC Updates (North)
The capacity of the plant to take up potassium is not directly related to potassium in solution... Spraying is best done when there is some wind, and when the operator can be sure that wind direction has stabilised... Driftability of amine formulations The 2,4- D products Surpass and Amicide 625 which were used in the trial are considered to be nonvolatile any drift that is associated with these products will be droplet drift not vapour drift...
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Catalogue: GRDC Updates (South)
NITROGEN - CATCHING MORE DOLLARS PER UNIT.. Gulargambone Grains Research Update 15 thFebruary, 2006 domestic stock feed industry will see that country emerge over the next two or three years as a significant importer... Gulargambone Grains Research Update 15 thFebruary, 2006 taken in strips that are not limited for nitrogen which are then compared against the rest of the paddock which has been grown under a lower nitrogen environment...
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Catalogue: GRDC Updates (North)
NITROGEN - CATCHING MORE DOLLARS PER UNIT.. Gulargambone Grains Research Update 15 thFebruary, 2006 domestic stock feed industry will see that country emerge over the next two or three years as a significant importer... Gulargambone Grains Research Update 15 thFebruary, 2006 taken in strips that are not limited for nitrogen which are then compared against the rest of the paddock which has been grown under a lower nitrogen environment...
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Catalogue: GRDC Updates (West)
Soil acidity, water repellence and root disease have been shown to reduce crop access to soil P and where these constraints are present yield responses to fertiliser P have occurred even where soil test P levels are classed as sufficient... Recent research has shown that the majority of soils tested from the Western Australian cropping area have a sufficient level of soil phosphorus... Recent work has shown that where soil pH (CaCl2) is less than 4.6, moderate water repellence occurs (WDPT > 4 minutes) or root disease is present, crop access to soil P can be restricted and the efficiency of use of P fertiliser is less than treatments where these constraints do not exist...
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