Girls at work in a greenhouse potting up tomato plants. Girls pick and pack the ripe tomatoes.
New scientific method of growing tomatoes without soil in California.
A look modern tomato growing techniques in New South Wales.
New Jersey College of Agriculture carries out an experiment of crops grown in sand and fed purely on liquid diet.
The Gregory family run a farm which is part of the Land Settlement Association's estate.
High speed pictures of storm clouds and plants growing, also shows the technology behind the images.
Women and men pick and pack tomatoes at a greenhouse.