Field experiments were conducted to Studies effect of Phosphorus, Chloropyriphos and Rhizobium inoculants on productivity parameter and economics of chickpea during rabi season of 2020-21 and 2021-22 at students instructional farm, Chandra Shekhar Azad University of Agriculture & Technology, Kanpur. The experiment consists of 18 treatments combinations in factorial randomized block design with three replications consisted of three levels of phosphorous (30, 60 and 90 kg ha-1), three chloropyriphos levels (0, 2.5 and 4.0 ml L-1) and two rhizobium inoculation levels (with rhizobium and without rhizobium). Chickpea variety RVG-203 was grown with the recommended agronomic practices. On the basis of results emanated from investigation it can be concluded that among the productivity parameters viz. maximum grain yield was 19.76 and 19.88 q ha-1 during the both years of experimentation are associated with the treatment T15 [60 kg P+ 4.0 ml-1 Chloropyriphos with Rhizobium]. Similarly stover yield during first year is 25.26 q ha-1 and second year is 25.94 q ha-1 was associated with the treatment T15 [60 kg P+ 4.0 ml-1 Chloropyriphos with Rhizobium]. Maximum gross return Rs 103908 and Rs 110078, net return Rs 66686 and 72232 and benefit cost ratio (B:C ratio) 1.79 and 1.91 during the first year (2020-21) and second year (2021-22) of experimentation were recorded under treatment T15 [60 kg P+ 4.0 ml-1 Chloropyriphos with Rhizobium], but the maximum cost of cultivation during first year is Rs 38734 and second year is Rs 39358 were recorded under treatment T18 [90 kg P+ 4.0 ml-1 Chloropyriphos with Rhizobium].
Field experiments were conducted to study the Effect of phosphorus, zinc and rhizobium on yield and profibility of chickpea (Cicer arietinum L.) during rabi season of 2020-21 and 2021-22 at students instructional farm, Chandra Shekhar Azad University of Agriculture & Technology, Kanpur. The treament consists of three levels of phosphorus (0, 30 and 60 kg ha-1), three levels of zinc (0,2.5, 5.0 kg ha-1) and two levels of rhizobium inoculation (with and without rhizobium) totally eighteen treatment combinations. The experiment was laid out in Factorial randomized block design with three replications. N @ 20 kg ha-1 and K @ 20 kg ha-1 applied uniformly through urea and murate of potash respectively The experiment was laid out in Factorial randomized block design with three replications. Chickpea variety RVG-202 was grown with the recommended agronomic practices. Results of the experiment reflected that yield of chickpea crop increased with the use of phosphorus, zinc and rhizobium inoculation. Maximum grain yield 20.89 kg ha-1, stover yield 25.26 kg ha-1, biological yield 46.15 kg ha-1 and harvest index 45.27% were recorded under T18 (60 kg P+5 kg Zn ha-1 rhizobium innoculation) over control during second year. But, significantly increased T17 (60 kg P+2.5 kg Zn ha-1+ rhizobium innoculation) during both years (2020-21 and 2021-22). The maximum cost of cultivation (₹ 36615.23), gross return (₹ 115380), net return (₹ 78764.77) and B:C ratio (2.15) were recorded under T18 (60 kg P+5 kg Zn ha-1 rhizobium innoculation). The present study showed that combined application of phosphorus and zinc with rhizobium inoculation along with recommended nitrogen and potassium could be an effective option for enhancing chickpea yield component, yield and economic return.
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