Effect of Zinc and Sulphur on herb, oil yield and quality - Journal of ...

Ajay Kumar et al J. Chem. Pharm. Res., 2010, 2(4):642-648_____________________________________________________________________________Tables 3 : Oil content, menthol content, total menthol yield <strong>and</strong> net return <strong>of</strong> M arvensis var. Kosi as influenced by zinc <strong>and</strong> sulphurtreatmentsTreatments Oil Content (%) Menthol Content (%) Total Menthol Yield Net Return§ (Rs/ha)1999 2000 1999 2000 (H-I+H-II) kg/ha 1999 2000H-I H-II H-I H-II H-I H-II H-I H-II 1999 200070% <strong>of</strong> Recom. N.P.K 0.75 0.59 0.75 0.62 80.16 81.08 79.18 79.28 236.7 177.5 45573 29613T-1 +Zn 0.85 0.66 0.84 0.70 82.05 83.61 82.54 81.12 293.5 223.5 59878 40498T-1 +S 0.80 0.65 0.80 0.67 80.50 83.47 79.68 79.04 290.4 208.9 59838 41718T-1 +Zn +S 0.82 0.66 0.83 0.68 82.24 83.55 81.96 79.32 312.4 222.3 64490 48920Recommended N.P.K 0.82 0.65 0.84 0.68 80.21 82.95 80.40 79.0 302.7 261.1 64638 55368T-5 + Zn 0.86 0.69 0.97 0.75 81.06 85.00 83.27 81.21 347.3 319.8 74270 74120T-5 +S 0.82 0.65 0.88 0.73 80.25 81.30 80.61 78.50 330.4 309.7 71500 74710T-5 +Zn +S 0.83 0.66 0.91 0.74 79.98 83.67 80.85 78.67 357.3 326.0 77998 80338130% <strong>of</strong> Recom. N.P.K 0.77 0.57 0.77 0.57 80.18 82.94 78.68 77.15 304.7 258.9 63343 55723T-9 + Zn 0.79 0.61 0.81 0.64 79.71 83.74 78.93 79.19 328.3 298.8 70380 69870T-9 +S 0.79 0.60 0.79 0.61 78.25 80.78 78.42 77.44 343.9 294.9 75493 69403T-9+Zn +S 0.79 0.60 0.79 0.63 78.21 79.90 77.08 77.88 345.6 303.7 76935 75945Control 0.61 0.47 0.67 0.48 79.37 75.10 75.96 75.03 129.3 103.7 19733 14033S.Em 0.01 0.01 0.04 0.04 2.74 2.07 3.02 2.99 12.3 10.3 - -CD% 0.03 0.03 0.11 0.13 NS NS NS NS 36.0 30.2 - -H-I is first harvest <strong>and</strong> H-II is second harvest§ Based on oil yield. Price <strong>of</strong> oil: Rs 300/kg, extraction cost: Rs 75/kg oil.646