INTERCROPPING IN CASTOR (RICINUS-COMMUNIS) UNDER DRYLAND CONDITION IN RAJASTHAN

A field experiment was conducted during 1987-88 to 1990-91 on silty-loam soil to select a suitable rainy-season crop for intercropping with castor (Ricinus communis L.). The highest mean castor-equivalent seed yield (25.16 q/ha), land-equivalent ratio (1.43), net return (Rs 12, 995/ha) and monetary advantage (Rs 39,07/ha) were obtained by intercropping 2 rows of greengram (Phaseolus radiatus L.) in between the castor crop sown at 1 m row spacing. This was followed by castor + blackgram (P. mungo L.) (2 rows) and castor + groundnut (Arachis hypogaea L.) (2 rows).