to find out the response of row spacing, bio-fertilizer and nitrogen levels on yield attributes i.e. number of pods /plant, number of seeds/pod 1000-seed weight, protein content in (% & kg/ha), nodules/plant and fresh & dry weight (mg) of nodules/plant of chickpea crop. The treatments comprised of 2 row spacing i.e. 40 cm and 60 cm, 3 biofertilizer i.e. Rhizobium leguminosarum culture (seed coating @ 20 g kg -1 seed), Phosphate solubilizing bacteria (PSB) @ 2.5 kg ha -1 in soil and Rhizobium leguminosarum + Phosphate solubilizing bacteria (PSB) and 3 nitrogen level i.e. N10 kg ha -1 , N20 kg ha -1 and N30 kg ha -1 in Split plot design with 3 replications. Results obtained in regarded to yield attributes and protein content showed that the 60 cm row spacing produced significantly higher yield attributes in both the years on pooled basis recorded number of pods/plant (57.57), number of seeds /pod (1.72), 1000-seed weight (147.64 g), nodules/plant (28.08), fresh & dry weight nodules/plant (76.58 and 44.37 mg ) and protein content in per cent (21.06) but maximum recorded protein in kg/ha under 40 cm row spacing (295.86 kg/ha). Among the bio-fertilizer the performance of dual inoculation of Rhizobium leguminosarum culture + PSB was the best & have recorded significantly superior number of pods /plant (57.61), number of seeds /pod (1.89), 1000-seed weight (148.75)nodules/plant (29.70), fresh & dry weight nodules/plant (81.34 and 48.12 mg) and protein content in per cent (21.26)& (302.02) kg /ha. However nitrogen level @ 30 kg ha -1 recorded significantly higher on number of pods /plant (147.64 g), number of seeds /pod (1.97), 1000-seed weight (149.47g), nodules/plant (30.54), fresh & dry weight nodules/plant (81.34 and 48.12 mg) and protein content in per cent (21.15)& (313.22) kg /ha. Nitrogen levels 30 kg ha -1 was found superior in all respect as compared to other treatments combinations. K e y w o r d sPhosphate solubilizing bacteria (PSB), Rhizobium leguminosarum culture and protein content
A field experiment was conducted during Rabi season of 2019-20 at Oil Seed Research Farm of C S Azad University of Agriculture and Technology, Kanpur. The experiment consisted 9 treatments viz., T1: Control, T2: Soil application of ZnSO4 @ 25 kg ha-1, T3: Foliar application of ZnSO4 @0.5% at 45 DAS, T4: Soil Application of ZnSO4 @ 25 kg ha-1 + Foliar application of ZnSO4 @0.5% at 45 DAS, T5: Soil application Borax @ 1.5 kg ha-1, T6: Foliar application of Borax @ 0.3 % at 45 DAS, T7: Soil application of Borax @ 1.5 kg ha-1 Foliar application of Borax @ 0.3 % at 45 DAS, T8: Foliar application of ZnSO4 @ 0.5% + Borax @ 0.3% at 45 DAS and T9: Soil application of ZnSO4 @ 25 kg ha-1 + Borax @ 1.5 kg ha-1 in soil assigned in Randomized Block Design with three replication. The Linseed cv Shekhar was used in the experiment. The results in significantly maximum seed yield, oil content, oil yield and stover yield, Root development, minimum water use and ultimately higher seed yield and WUE as compared to other corresponding tested treatments indicated that application of ZnSO4 @ 25 kg ha-1 + Borax @ 1.5 kg ha-1 incorporated in the soil have fetched highest net return of Rs 52050 having B:C ratio of 3.51 would be quite remunerative for higher productivity along with water use efficiency in light textured alluvial soils of Uttar Pradesh.
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