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Annual Ryegrass Toxicity (ARGT)<br />
The timely production of hay can reduce<br />
ARGT by:<br />
• removing ryegrass (and other hosts) prior to<br />
toxin formation;<br />
• interrupting the lifecycle of the causal agents;<br />
• reducing the ryegrass population.<br />
Table 1.2 The impact of yield and price variance on income ($/hectare).<br />
Yield t/ha<br />
$50 $75 $100 $125<br />
Price $/t<br />
$150 $175 $200 $225 $250<br />
4t 200 300 400 500 600 700 800 900 1000<br />
6t 300 450 600 750 900 1050 1200 1350 1500<br />
8t 400 600 800 1000 1200 1400 1600 1800 2000<br />
10t 500 750 1000 1250 1500 1750 2000 2250 2500<br />
12t 600 900 1200 1500 1800 2100 2400 2700 3000<br />
14t 700 1050 1400 1750 2100 2450 2800 3150 3500<br />
14 PRODUCING QUALITY OAT HAY<br />
Pest and disease<br />
<strong>Hay</strong> production can offer another breakcrop<br />
opportunity, especially where continuous cropping<br />
is practiced. This may be due to the hay crop<br />
being a non host to a particular pest or disease,<br />
the hay making operation being destructive of<br />
the organism or its habitat, or the production of<br />
hay actually removing the organism from the<br />
paddock. See Chapters 4 and 5.
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