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southern cropping system

Catalogue: GRDC Media
Soil testing the key to fertiliser strategy.. Subsoil reserves of mineral nutrients such as P have been run down over recent decades, with practices such as direct drill cropping accelerating the loss... Soil testing provides an understanding of your fertility profile and is a vital step in making informed fertiliser decisions...
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Catalogue: GRDC Media
Subsoil reserves of mineral nutrients such as P have been run down over recent decades, with practices such as direct drill cropping accelerating the loss... The GRDC fact sheet recommends testing subsoil (10 to 30 centimetres) P levels, using both the Colwell-P and BSES-P tests across the farm, as the key to making an informed decision about fertiliser strategy... Soil testing provides an understanding of your fertility profile and is a vital step in making informed fertiliser decisions...
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Catalogue: GRDC Media
Not only do summer weeds rob growers of valuable soil moisture and nitrogen, recent research suggests it is also robbing growers of substantial profits through large yield losses... New South Wales Department of Primary Industries research and development agronomist Colin McMaster has led much of the research into the effects of summer weeds on plant available water and nitrogen in following crops and the yield benefit from controlling summer weeds... Temperature, moisture and organic carbon percentage are key drivers for nitrogen mineralisation a great opportunity for growers to build free nitrogen during the summer months when seasonal conditions allow...
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Catalogue: GRDC Media
Not only do summer weeds rob growers of valuable soil moisture and nitrogen, recent research suggests it is also robbing growers of substantial profits through large yield losses... New South Wales Department of Primary Industries research and development agronomist Colin McMaster has led much of the research into the effects of summer weeds on plant available water and nitrogen in following crops and the yield benefit from controlling summer weeds... Temperature, moisture and organic carbon percentage are key drivers for nitrogen mineralisation a great opportunity for growers to build free nitrogen during the summer months when seasonal conditions allow...
Related categories: