RESPONSIBLE USE OF RECYCLED ORGANICS FOR CROPPING
What are the risks?
Fast facts about recycled organics
Range of products
What is the main aim of application?
Product characteristics
AS4544 Standard for Composting
IMPORTANT LABORATORIES ANALYSIS
Tactics 4Rs
Application evenness vs cost
INTERPRETATION Carbon
CARBON FRACTIONS
IMPORTANCE OF SOM COMPOSITION IN DETERMINING SOIL FUNCTION
EQUILIBRIUM C INPUTS FOR SOME QUEENSLAND CROPPING SOILS
INTERPRETATION Carbon
Organic carbon
Interpretation Nitrogen
‘Stable’ forms of N….
INTERPRETATION
Application
Mineralisation
Nitrogen – use it or loose it!
Organic N % importance
Interpretation Phosphorus
P availability
PHOSPHORUS ENVIRONMENTAL RISK INDEX (PERI)
INTERPRETATION
CALCULATIONS
VALUE TO AGRICULTURAL PRODUCTION
Does it pay?
Soil test calibration
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