Not all factors that affect food production are bad just the bad out weigh the good, there are factors like soil quality, land availability and how easy it is to ship to other places. land is getting more and more populated by people leaving less room for plants to grow, as more people come to stay more trees get cut down to make way for new houses. The soil of Tasmania is so rich and full of nutrition that almost anything would grow in the soil, with more people there are more dumps and sewers that make the soil quality decrees.
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