Browsing by Author "P.K. Upadhyay"

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Cropping geometry and nutrient management study on winter maize {Zea mays) + potato (Solatium tuberosum) intercropping
(Indian Council of Agricultural Research, 2021) V.K. Verma; R.N. Meena; D.N. Singh; P.K. Upadhyay; Rajesh Kumar Singh; Rajiv Kumar Singh
Field experiment was conducted during rabi during 2015-16 and 2016-17 at Varanasi (UP) to study the effect of cropping geometry and nutrient management on winter maize (Zea mays L.) + potato (Solatium tuberosum L.) •intercropping.Among the crop geometry, winter maize intercropped with potato (1:1) in replacement series showed significantly higher growth parameters of maize, viz.dry matter accumulation, crop growth rate and number of green leaves per plant as compared to additive series but it was found at par when winter maize grown with potato (1:2) in replacement series.However, growth parameters of potato differed interchangeably as compared to maize in winter maize + potato intercropping system during both the years.Significantly higher grain yield of winter maize and potato were found in intercropping with 1:1 and 1:2 in additive series, respectively.Assessment of intercropping indices and economics of maize and potato proved to be better in additive series as compared to replacement series during both the years of experimentation.Amongst nutrient management, growth parameters, yield attributes and yield, intercropping indices and economics of winter maize + potato were recorded significantly higher with the application of 100% RDF + 25% N through poultry manure followed by the application of 100% RDF + 25% N through vermicompost as compared to rest of the treatments during both Uie years.Thus, it may be concluded that the maize + potato intercropping in additive series with integration of poultry manure as N source gives better yield and economics of both the crops. © 2021 Indian Council of Agricultural Research. All rights reserved.
Effect of INM in aromatic rice (Oryza sativa) under SRI and its residual effect on wheat (Triticum aestivum)
(Indian Council of Agricultural Research, 2020) Abhinav Kumar; J.K. Singh; P.K. Upadhyay
The field experiment was conducted at the Agricultural Research Farm, Banaras Hindu University, Varanasi, India during two consecutive rainy (kharij) and winter (rabi) seasons of 2015-16 and 2016-17 in split plot design to study the effect of integrated nitrogen management (INM) [100% recommended dose of nitrogen (RDN: 120 kg N/ha), 75% RDN + 25% N through Azolla microphylla, 75% RDN + 25% RDN through NADEP compost, 75% RDN + 25% RDN through sewage sludge and 75% RDN + 25% RDN through vermicompost] in aromatic rice (Oryza sativa L.) varieties (HUR-4-3, HUR-105, NDR-6093 and Rajendra Kasturi) under system of rice intensification and its residual effect on productivity of succeeding wheat (Triticum aestivum L.). The results of the study revealed that the variety HUR-4-3 and the INM with 75% RDN + 25% N through Azolla microphylla were found superior in terms of enhanced growth, yield attributes, yield, nutrient uptake, milling quality and length-breadth ratio (L/B) before cooking as compared to rest of the varieties and integrated nitrogen management, respectively. It was found that soil microbial population get improved when 75% RDN was coupled with 25% N through Azolla microphylla. Further, higher gross income, net return and output-input ratio were attributed to the variety Rajendra Kasturi (177.47x103 130.35x!03 ?/ha and 3.79, respectively) and the application of 75% RDN + 25% N through Azolla microphylla (162.21 x 103 117.14x 103 ?/ha and 3.6, respectively). Moreover, varieties did not show marked effect on yield of the succeeding wheat while significant yield enhancement was evident as a result of nitrogen management in preceding rice with 75% RDN + 25% N through Azolla microphylla. © 2020 Indian Council of Agricultural Research. All rights reserved.
Effect of panchagavya and recommended dose of fertilizers on growth, nutrient content and productivity of transplanted rice (Oryza sativa) under middle Gangetic plain of India
(Indian Council of Agricultural Research, 2018) P.K. Upadhyay; Avijit Sen; S.K. Prasad; Yashwant Singh; J.P. Srivastava; S.P. Singh; R.K. Singh
A field trial was conducted at the Agricultural Research Farm, Banaras Hindu University during 2013-14 and 2014-15 to study the effect of time and rate of panchagavya application and recommended dose of fertilizers (RDF) on growth, nutrient content and productivity of transplanted rice (Oryza sativa L.). Interaction of panchagavya and RDF exhibited significant effect on dry matter accumulation, productive tillers/m2 as well as grain and straw yields of rice. Enhancement by 42% in the number of productive tillers/m2 and 33% in grain yield was observed with the combination of D4 (seedling root dip + one spray at 30 DAT @ 6% + application through irrigation water at 60 DAT) + 100% RDF over 60%RDF without panchagavya. Application of panchagavya (D4) significantly increased nitrogen, phosphorus and potassium content in grain and straw following higher total uptake of these elements.120% RDF significantly increased the N, P and K content in grain and straw over 60, 80 and 100% RDF. Productive tillers/m2, panicle length and filled spikelets/panicle showed linear response with yield. Residual effect of panchagavya (D4) in combination with 100% RDF recorded 27% increment in the yield of lentil. © 2018 Indian Council of Agricultural Research. All rights reserved.
Effect of zinc, iron and manganese levels on growth attributes and grain yield of rice
(EM International, 2016) Ashok Kumar; Avijit Sen; Rakesh Kumar; P.K. Upadhyay
A field trial comprising of 3 levels of Zinc (Zn) - 0,5 and 10 kg ha-1,3 levels of Iron (Fe) - 0,15 and 30 kg ha-1 and 3 levels of Manganese (Mn) - 0,5 and 10 kg ha1 was carried out during the rainy seasons of 2008 and 2009 at the Agricultural Research Farm, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, to study their effects on growth and yields of rice variety HUBR 2-1. The experiment was conducted in 33 partial confounding with two replications. Half doses of all the micronutrients were applied as basal and rest half through foliar application at deferent intervals. Among the treatments, applied zinc @ 10 kg ha-1, iron 15 kg ha-1 and manganese 5 kg ha-1 recorded the maximum growth attributes and yield of rice.
Microbes-mediated integrated nutrient management for improved rhizo-modulation, pigeonpea productivity, and soil bio-fertility in a semi-arid agro-ecology
(Frontiers Media S.A., 2022) Gaurendra Gupta; Shiva Dhar; Adarsh Kumar; Anil K. Choudhary; Anchal Dass; V.K. Sharma; Livleen Shukla; P.K. Upadhyay; Anup Das; Dinesh Jinger; Sudhir Kumar Rajpoot; Manjanagouda S. Sannagoudar; Amit Kumar; Ingudam Bhupenchandra; Vishal Tyagi; Ekta Joshi; Kamlesh Kumar; Padmanabh Dwivedi; Mahendra Vikram Singh Rajawat
Excessive dependence on chemical fertilizers and ignorance to organic and microbial inputs under intensive cropping systems are the basic components of contemporary agriculture, which evolves several sustainability issues, such as degraded soil health and sub-optimal crop productivity. This scenario urges for integrated nutrient management approaches, such as microbes-mediated integrated plant nutrition for curtailing the high doses as chemical fertilizers. Rationally, experiment has been conducted in pigeonpea at ICAR-IARI, New Delhi, with the aim of identifying the appropriate nutrient management technique involving microbial and organic nutrient sources for improved rhizo-modulation, crop productivity, and soil bio-fertility. The randomized block-designed experiment consisted nine treatments viz. Control, Recommended dose of fertilizers (RDF), RDF+ Microbial inoculants (MI), Vermicompost (VC), Farm Yard Manure (FYM), Leaf Compost (LC), VC + MI, FYM + MI, and LC + MI. Rhizobium spp., Pseudomonas spp., Bacillus spp., and Frateuria aurantia were used as seed-inoculating microbes. The results indicated the significant response of integration following the trend VC + MI > FYM + MI > LC + MI > RDF + MI for various plant shoot-root growth attributes and soil microbial and enzymatic properties. FYM + MI significantly improved the water-stable aggregates (22%), mean weight diameter (1.13 mm), and geometric mean diameter (0.93 mm), soil organic carbon (SOC), SOC stock, and SOC sequestration. The chemical properties viz. available N, P, and K were significantly improved with VC + MI. The study summarizes that FYM + MI could result in better soil physico-chemical and biological properties and shoot-root development; however; VC + MI could improve available nutrients in the soil and may enhance the growth of pigeonpea more effectively. The outcomes of the study are postulated as a viable and alternative solution for excessive chemical fertilizer-based nutrient management and would also promote the microbial consortia and organic manures-based agro-industries. This would add to the goal of sustainable agricultural development by producing quality crop produce, maintaining agro-biodiversity and making the soils fertile and healthy that would be a “gift to the society.” Copyright © 2022 Gupta, Dhar, Kumar, Choudhary, Dass, Sharma, Shukla, Upadhyay, Das, Jinger, Rajpoot, Sannagoudar, Kumar, Bhupenchandra, Tyagi, Joshi, Kumar, Dwivedi and Rajawat.
Soil and Plant Responses to the Application of Ascophyllum nodosum Extract to No-Till Wheat (Triticum aestivum L.)
(Taylor and Francis Inc., 2015) Avijit Sen; V.K. Srivastava; Ram K. Singh; A.P. Singh; P. Raha; A.K. Ghosh; N. De; A. Rakshit; R.N. Meena; Ashok Kumar; Om Prakash; M.K. Ghosh; Marwan Manea; P.K. Upadhyay
A field trial consisting of four granule formulation doses and five liquid formulation sprays of a seaweed extract from Ascophyllum nodosum commercially known as Biovita, along with the recommended dose of nitrogen (N)–phosphorus (P)–potassium (K), was conducted during 2008 and 2009 in BHU, Varanasi, India, to evaluate its effect on wheat (var. HUW 468) under a no-tillage system. Among the granule doses, the 10 kg ha−1 basal application and the two liquid sprays of 500 cm3 ha−1 each at 25 and 50 days after sowing significantly improved the performance of wheat. On an average under these two treatments, the greatest grain and straw yields were observed were 3454.5, 3446.5 and 5187.5, 5220.0 kg ha−1, respectively. The greatest protein content was found when further high doses of extract were applied. A faster decomposition of the paddy residue was also observed as indicated by an earlier decline in carbon (C)/N ratio of the soil in the treated plots. © , Copyright © Taylor & Francis Group, LLC.