Dry Matter in Silage (Leaving Cert Agricultural Science): Quizzes

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Dry Matter in Silage
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What does dry matter testing measure in silage samples?

Amount of solid material in the sample

What problem can too much moisture cause in silage?

Poor fermentation

At what temperature must the oven be capable of maintaining for this test?

105°C

Why is 105°C specifically chosen for drying silage samples?

Removes water without burning organic matter

How often must the sample be removed from the oven to check its weight?

Every 10 minutes

When should you stop the drying process?

When constant weight is achieved

What is the formula for calculating dry matter percentage?

Dry WeightWet Weight×100\frac{\text{Dry Weight}}{\text{Wet Weight}} \times 100

What dry matter percentage range indicates good quality silage?

25-35%

Empty beaker: 50g, beaker + wet sample: 200g, beaker + dry: 80g. What is the dry matter %?

20%

What practical application does dry matter content NOT directly help farmers with?

Predicting weather patterns

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