OPTIMIZATION OF CASTOR (Ricinus communiS L.) PRODUCTION UNDER LIMITED RESOURCE CONDITIONS IN CENTRAL DRY ZONE OF KARNATAKA

Publication Date : 22/11/2016


Author(s) :

V. VENKATACHALAPATHI , GANGADHAR ESWAR RAO , T. RUDRAMUNI.


Volume/Issue :
Volume 2
,
Issue 11
(11 - 2016)



Abstract :

Abstract Field trials for optimization of castor production in relation to limiting production factors (fertilizers, plant protection and weeding) were conducted at Zonal Agricultural Research Station, Hiriyur on medium black soil to identify the hierarchy of production factors for efficient use of resources for optimum production. The results revealed that adoption of Recommended Package of Practices (RPP) is highly remunerative in castor production. Among the individual production factors, withdrawal of weeding (660 Kg ha-1) from recommended package of practice (RPP), alone caused substantial reduction in yield (57 %), followed by fertilizer (30 %) and plant protection (12 %). Fertilizer alone or plant protection in the absence of weeding did not increase yield considerably. Thus, weeding emerged out to be the most limiting factor in castor production under rainfed condition.


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