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Ciência e Agrotecnologia

Print version ISSN 1413-7054


DEVIDE, Antonio Carlos Pries; CASTRO, Cristina Maria de; SANTOS, Rodrigo Dametto Faria  and  ANACLETO, Alessandro Henrique. No tillage of castor bean 'IAC 80' with food crops. Ciênc. agrotec. [online]. 2010, vol.34, n.3, pp.653-659. ISSN 1413-7054.

The objective of this study was to evaluate the performance of castor bean 'IAC 80' grown in double rows spaced at 4.0 x (1.0 x 1.0 m) in no-tillage in the white oat straw, intercropped with food crops. The cereal was used for grain production (1375 kg ha-1) and soil coverage (1593 kg ha-1 MS; cycling of 35 kg K ha-1). The associated cultivation was double seeded between the lines of castor beans (Ma): Ma + corn, beans + Ma, Ma + beans and maize corn Ma + pumpkin. The cv. IAC 80, though susceptible to gray mold, produced 1060 kg ha-1 grain; corn ears were harvested with 22.542 ha-1 (5.333 kg ha-1), meaning an input of 3.15 t ha-1 MS (39 kg N ha-1, 58 kg K ha-1). Pumpkin and bean crops did not yield commercial crops. The system containing oats, castor beans, and corn yielded satisfactory and contributed to the production of bioenergy with food security and environmental conservation.

Keywords : Ricinus communis L.; food security; biodiesel.

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