- Country: Spain
- Genres: Documentary, Short
- Release:
- Director: Manuel Hernández Sanjuán
- Writers: Manuel Hernández Sanjuán , Santos Núñez
- Language: N/A
- Stars: N/A
- Runtime: 9 min
- Awards: N/A
- AKA: La gran cosecha (Spain) , La gran cosecha , Guinea española - Número 78
- Plot: Short documentary film about education and colonization in Guinea, from the series 'Guinea española' (number 78).
- IMDB:tt0038571