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Weed control and zero tillage trials
An analysis about different trials for maize weed control in the plots of the experimental stations in Poza Rica and Cardel.
Insects and weed control treatments at Cañada Rica
The trainees of maize program describe the treatments realized to maize plants for the pest and weed control.
Jiliapa II : basic fertilizer
The maize's trainees explain the characteristics and results of the experiment on every plot of maize that has received treatment with some fertilizers.