Abstract:
According to several studies on the improvement of cereals varieties, in order to respond to the variability of the local conditions and production objectives, farmers in Sikasso (Southern Mali) grew several varieties of maize representing different characteristics. Always within the framework of the promotion of this culture we have led a study of the relationship between maize yields; high yielding varieties; rainfall; fertilizers use and irrigation. Through this research we have found that the growth of maize yields can be largely attributed to the introduction of the new dwarf high yielding variety, as well as the use of the associated complementary modern inputs, particularly fertilizers and irrigation. From the correlation results, it appears that the regression procedure may find it difficult to separate the effects of these three inputs on yields.
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