The blank test and experimental prescission

• Main Authors: Fermín Machado González, Marisel Cabezas Hernández, Santos Bustio Dios
• Format: Article
• Language: Spanish
• Published: Universidad de Pinar del Río "Hermanos Saíz Montes de Oca" 2003-12-01
• Series: Revista MENDIVE
• Online Access: http://mendive.upr.edu.cu/index.php/MendiveUPR/article/view/67

For teachers who develop the issues of agricultural experimentation in new programs for polytechnic of this specialty in Cuba, the article presents the results of the authors in a research linking content of various technical subjects; measurements and analysis was developed by students of the third year of polytechnic Working classes. In experiments a factor in accuracy is the variability of soil fertility, it is corroborated by biometrically study assessing plants and check the differences in the results obtained; blank tests allow the researcher to know how soil heterogeneity in the experimental area, aspect that defines plot size, orientation grooves and recommended design manifests itself.