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Revista Ciencias Técnicas Agropecuarias

versión On-line ISSN 2071-0054

Resumen

HERNANDEZ ESCOBAR, Idalmis et al. Minimum tillage system and allelopathic effect on common beans productions in Agricultural Enterprise April 19 of the Mayabeque province. Rev Cie Téc Agr [online]. 2013, vol.22, n.3, pp.46-48. ISSN 2071-0054.

Changes in production practices, as from conventional tillage to minimum tillage, might affect allelopathic interactions between different crops residues below the Cuban productions systems. Field experiments were conducted on typical Red Ferralitic soil in the Agricultural Enterprise April 19, of municipality Quivicán, Mayabeque province, Cuba, during two years. The objective was: to evaluate the influence of minimum tillage systems and the allelopathic effects on the common beans (Phaseolus vulgaris, L) productions cv Tomeguín 93-N. The residues were sweet potatoes (Ipomoea batata, L) cv CEMSA 78- 354, corn ( Zea mays, L) cv. Francisco, sunflowers ( Helianthus annus, L) cv Cuba- Sol and commom beans ( Phaseolus vulgaris, L) cv Tomeguín 93-N. These residues were incorporated into the soil a ration to 0,3 kg m2. The treatments study objects were the result of the four vegetables residues incorporated and the control the treatments were arranged and the random block with four replicas. The observations and determinations were: survival of the plants (reduction percentage), yield (t ha-1), and analyze of cost and crops common beans utility. The results indicated the negative influence of minimum tillage systems in the survival of the plants and yield of common beans (Phaseolus vulgaris, L) cv Tomeguin 93- N as consequence the allelopathic effects of such residues.

Palabras clave : yields; preparation of soil; crop residuals.

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