What is the future for one of the world's most successful and controversial crops, soya?
Sheila Dillon investigates the rapid increase in the price of rice around the world.
Sheila Dillon explores the tradition of orange growing in Sicily.
Speciality tea is the biggest growth area in the tea sector - so what's the appeal?
Melvyn Bragg and guests discuss tea, the first truly global commodity.
Dan Saladino investigates tea's past, present and future and explores our changing tastes.
Do we pay enough for tea? Dan Saladino continues his look at our love affair with the leaf
A fragrant variety grown by the Dong minority in the Guizhou province of China
Jane Deith investigates conditions for tea workers in Assam.
What's the optimum scientific method for making the perfect cup of tea?
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