Time laspe movies are not new (1, 4, 9, 11, 12, 13 and 14). However, their use in crop science teaching especially in super 8 mm. format appears to be all too rare. Excellent work in time lapse photography on plant growth has been done by several workers (2, 5, 6, 7, 8); and time lapse photography can be inexpensive, especially in super-8 mm. format (3, 10).



time lapse films, crop science

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