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KakPlaN
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About
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Kakplan contains a range of
calculators to help answer questions about the use of animal manure as a fertiliser or soil
ameliorant. The outputs include calculations such as nutrient addition,
nutrient value versus mainstream mineral fertilisers and potential salinity
effect.
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USE INSTRUCTIONS
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General
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White
cells can be edited or changed.
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Analysis and Rate Tab
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Input: Enter the moisture % of the sample. If the product is to be spread on a per cubic meter basis
enter the bulk density (otherwise leave as value as 1). Enter the target
application rate. Enter the nutrient analysis values from the laboratory
analysis or suppliers certificate.
Output: The numbers
on the right hand side of the table are the total nutrient quantities applied
at the target rate.
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Cost and Value Tab
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Input: Enter the cost of the standard fertilisers being replaced and
the analysis. Enter cost of manue ex the pickup point, freight and spreading
cost.
Output: Compare
manure total cost with Equivalent Fertiliser Nutrient Value ($). If the
manure cost per tonne is less than the fertiliser value in the manure, using
manure will be the lowest cost nutrient option.
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Targetted Input Calculator Tab
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The calculator on this tab is
useful when determining what rate of a manure to use in appling a targeteted
nutrient rate.Input: Select
the target nutrient from the drop down menu and input the rate of that
nutrient required.
Output: is the rate
of manure required and the rate of other nutriens also applied.
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Soil Salinity
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In the short term the salinity
of the soil in the zone of manure incorporation may be increase by the salt
content (EC) of the manure applied. The increase in salinity is related to
the rate of manure applied, its salinity andt he depth to which it is incorprated.
On this tab the likely increase in soil salinity in the absence of leaching
is calculated. This should be interpreted togther with the soil salinity
before manure application.
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Disclaimer
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The
evaluation and recommendation reports provided here are a guide only, and
depend on representative samples being analysed. Additionally environmental
and managerial factors influence performannce therefore as suppliers of this
decision support we do not accept any liability whatsoever arising from the
application of recommendations, for any damage, loss or injury of any nature
and the user takes these evaluations and recommendations on these terms. This
recommendation is made in good faith, based on the best technical information
available.
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© Back Paddock Company
2015
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