Abstract
A field experiment was conducted to find out the effect of different levels of fertilizer and spacing on growth and nutrient content in soil and leaves of Jatropha curcas L. The plants grown in closer (2 x 2 m) spacing) produced maximum plant height (144.74 cm). Whereas, rest of all other parameters viz., collar diameter (6.53 cm), number of branches per plant (6.0), number of leaves per plant (217.78), total leaf area (3099.22 cm²) were found maximum in 2 x 3 m spacing, whereas available N, P & K and total percentage of N, P and K in leaves were found non-significant. In case of various fertilizers levels, significantly higher plant height (135.58 cm), collar diameter (5.71 cm), number of branches per plant (5.33), number of leaves per plant (203.86), total leaf area (29.15.00 cm²), available N (258.91 kg haˉ¹), P (46.05 kg haˉ¹) & K (363.96 kg haˉ¹) and total percentage of N (2.51%), P (0.28%) & K (0.68 %) were registered under 50:120:50 kg NPK haˉ¹. The interaction effect between fertilizer and spacing was found non-significant for all parameters.
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