Pippa Greenwood discovers how green-fingered boffins produce amazing crops. In this concluding programme of the series, she discovers that Granny's tonics really do work. Producers Gabi Fisher and Sera Lefroy Owen
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Pippa Greenwood discovers how green-fingered boffins produce amazing crops. In this concluding programme of the series, she discovers that Granny's tonics really do work. Producers Gabi Fisher and Sera Lefroy Owen