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NGN - Determining optimal potassium levels and management options for the West Midlands regions

Contract Administrator

: 08 9230 4600

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Contract Administrator

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08 9230 4600

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PROC-9176770
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Grains Research and Development Corporation
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70140000 - Crop production and management and protection
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3-Feb-2023 2:00 pm (ACT Local Time)
Show close time for other time zones
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12-Dec-2022
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WA
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Request for Tender

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No
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No
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No

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Growers in the West Midlands region have identified potassium (K) deficiency as an ongoing constraint limiting yield potential in sandy soils. While growers agree that replacement potassium was likely being underapplied over the years, the majority also thought potassium needed further research, mainly around ‘response by soil types’ and ‘application rates’ and ' the ability of some plants to recycle K from depth'. They especially wanted to know when additional K may profitably benefit the crop in terms of ‘timing and method of application’. There is concern that diagnostic methods, surface tested Colwell K, was not providing an accurate picture of the level of potassium unavailability. 

Fertiliser supplier trials typically indicate low levels of K in many of our soil profiles 0-30cm, with responses to K application.  Top of mind for growers:  What is the potential yield loss that is not evident due to a nutrient throttle on production?

 

 

 

 

 

 

 

 

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  1. The Tenderer and any subcontractor must not be named on the Consolidated List, being the list of persons and entities who are subject to targeted financial sanctions or travel bans under Australian sanction laws, as maintained by the Department of Foreign Affairs and Trade.
  2. The Tenderer and any subcontractor must not have a judicial decision against it (not including decisions under appeal) relating to employee entitlements and who have not paid the claim.
  3. The Tenderer must be a single legal entity or recognised firm of partners
  4. The Tenderer and any proposed subcontractor must be compliant with the Workplace Gender Equality Act 2012, Modern Slavery Act 2018 and any other applicable labour laws and standards in the jurisdiction in which they operate.
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From Feb 2023 for a duration of 30 months

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Submit your Tender through the Grains Investment Portal by 5pm Canberra local time on 3 February 2023 https://access.grdc.com.au/

Contract Administrator

: 08 9230 4600

:

:
Contract Administrator

:
08 9230 4600

: