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Video
Weed control at Cardel 1979 A
(CIMMYT, 1979)
Video
Nitrogen trial at Alamo 1979 A
(CIMMYT, 1979)
Video
Experimento de nitrógeno y fósforo
(CIMMYT, 1979)
Video
Experimento de control de malezas
(CIMMYT, 1979)
Video
Field conditions at Cardel 1979 A
(CIMMYT, 1979)