Author(s):

Dr. RB Thanki, DS Hirpara, VD Vora, PD Vekaria, KS Jotangiya, HR Vadar, SC Kaneria and VL Modhavadiya

Abstract: A field experiment was conducted on medium black soil to evaluate the different plant geometry for castor under conserved moisture condition for the effect of treatments on growth, yield attributes and maximization of economics under rain fed conditions at Dry Farming Research Station, Junagadh Agricultural University, ratia (Ghed), Gujarat during 4 consecutive kharif season of 2015-16 to 2018-19. The experiment comprising of nine treatments with three replications laid out in factorial randomized block design. In pooled results, effect of inter and intra raw distance remained significant for castor seed yield. While interaction effect of plant geometry remained non significant on castor seed yield. Among the different inter raw spacing S3 (120 cm) recorded significantly higher seed yield of 969, 1093, 1196 and 1049 kg/ha during the year 2016-17, 2017-18, 2018-19 and pooled results, respectively, Whereas intra raw distance D3 (60 cm) recorded significantly higher seed yield 924, 943, 1002 and 980 kg/ha during 2015-16, 2016-17, 2017-18 and pooled results, respectively. and effect of inter raw distance remained significant for castor stalk yield. While intra raw distance and interaction effect of plant geometry remained non significant on castor stalk yield. While interaction effect of plant geometry remained non significant on castor seed yield during 2017-18, 2018-19 and pooled results. The maximum net return ` 30459 /ha and B: C ratio 2.1 was recorded under treatment T9 i.e. S3D3- 120 X 60 cm.

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