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Published byWidyawati Tedjo Modified over 6 years ago
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RESPONSIBLE USE OF RECYCLED ORGANICS FOR CROPPING
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What are the risks?
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Fast facts about recycled organics
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Range of products
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What is the main aim of application?
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Product characteristics
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AS4544 Standard for Composting
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IMPORTANT LABORATORIES ANALYSIS
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Tactics 4Rs
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Application evenness vs cost
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INTERPRETATION Carbon
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CARBON FRACTIONS
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IMPORTANCE OF SOM COMPOSITION IN DETERMINING SOIL FUNCTION
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EQUILIBRIUM C INPUTS FOR SOME QUEENSLAND CROPPING SOILS
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INTERPRETATION Carbon
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Organic carbon
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Interpretation Nitrogen
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‘Stable’ forms of N….
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INTERPRETATION
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Application
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Mineralisation
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Nitrogen – use it or loose it!
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Organic N % importance
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Interpretation Phosphorus
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P availability
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PHOSPHORUS ENVIRONMENTAL RISK INDEX (PERI)
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INTERPRETATION
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CALCULATIONS
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VALUE TO AGRICULTURAL PRODUCTION
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Does it pay?
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Soil test calibration
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