Their studies cover everything from the breeding and measurement of trees to policy and economics.

课程包括树木的培植和管理，政策和经济等。

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It does everything from breeding new seeds and cattle, to creating ultra-thin edible wrapping paper for foodstuffs that changes colour when the food goes off, to running a nanotechnology laboratory creating biodegradable ultra-strong fabrics and wound dressings.

ECONOMIST: Brazilian agriculture