Effect of phosphorus management on production and phosphorus balance in a rice (<i>Oriza sativa</i>L.)-wheat (<i>Triticum aestivum</i>) cropping system

Sharma, Shailendra; Prasad, Rajendra; Davari, M. R.; Ram, Moola; Dwivedi, Manoj Kumar

doi:10.1080/03650341003755431

Cited by 2 publications

(2 citation statements)

References 13 publications

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“…The positive effect of Zn fertilization on dry matter was translated to increasing P uptake. The application of microbial inoculation of MI1 (0.56 kg/ha) and MI2 (0.62 kg/ha) also showed improvement in total P uptake as corroborated with Sharma et al (2011), Sharma et al (2010) and Madar et al (2011). The interaction between CEMs and nutrient management options on P uptake was found significant at all growth stages and in all components of rough rice.…”

Section: Resultssupporting

confidence: 57%

Significance of zinc fertilization and microbial inoculation on phosphorus nutrition of rice (Oryza sativa)

et al. 2020

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The present experiment was conducted during rainy season of 2013-14 at ICAR–Indian Agricultural Research Institute, New Delhi, to compare and calculate variations in phosphorus (P) concentration and uptake in rice (Oryza sativa L.) plant as well as soil available P (Olsen’s reagent 0.5 M NaHCO3-extractable) as influenced by three different crop establishment methods (CEMs), rates of nitrogen (N), phosphorus (P) and zinc (Zn) fertilization and microbial inoculations in spilt plot design with three replications. The concentration and uptake of P in puddled transplanted rice (PTR) and system of rice intensification (SRI) was significantly higher than aerobic rice system (ARS) and total uptake was increased by 480 and 540 g/ha in PTR and 580 and 660 g/ha in SRI over ARS in first and second year, respectively. The treatment with 100% recommended dose of nutrients (RDN) (25.8 kg P/ha and 120 kg N/ha) had significantly higher P concentration and uptake than 75% RDN and absolute control. The correlation between milled rice yield and P concentration was found positive (R2= 0.95 and 0.94). Application of microbial inoculation significantly increased P concentration and uptake over fertilizer control (75% RDN) and absolute control which increased in total P uptake by 640 and 680 g/ha due to application of Anabaena–Pseudomonas (An-Ps) biofilmed formulations (MI2) and Anabaena sp. (CR1) + Providencia sp. (PR3) consortia (MI1) over fertilizer control (75% RDN).

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Section: Resultssupporting

confidence: 57%

Significance of zinc fertilization and microbial inoculation on phosphorus nutrition of rice (Oryza sativa)

et al. 2020

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“…An increase in P-uptake due to enriched compost in the present study was due to the maximum available P as well as total organic and readily available carbon. Sharma et al [66] reported increased N uptake (18-38 kg ha −1 ), P uptake (2.7-6.6 kg ha −1 ), and K uptake by (16-41 kg ha −1 ) in the rice-wheat system when inoculated with Pseudomonas striata. It was reported by Nishanth and Biswas [11] that RP enriched compost inoculated with Aspergillus awamori can significantly enhance P uptake in wheat crop, which was recorded as 78% more efficient compared to DAP.…”

Section: Discussionmentioning

confidence: 99%

Rock Phosphate-Enriched Compost in Combination with Rhizobacteria; A Cost-Effective Source for Better Soil Health and Wheat (Triticum aestivum) Productivity

et al. 2020

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Organic materials from various sources have been commonly adopted as soil amendments to improve crop productivity. Phosphorus deficiency and fixation in alkaline calcareous soils drives a reduction in crop production. A two-year field experiment was conducted to evaluate the impact of rock phosphate enriched composts and chemical fertilizers both individually and in combination with plant growth promoting rhizobacteria (PGPR) on wheat productivity and soil chemical and biological and biochemical properties. The present study demonstrates significant increments in crop agronomic and physiological parameters with Pseudomonas sp. inoculated RPEC1 (rock phosphate + poultry litter + Pseudomonas sp.) over the un-inoculated untreated control. However, among all other treatments i.e., RPEC2 (rock phosphate + poultry litter solubilized with Proteus sp.), RPC (rock phosphate + poultry litter), HDP (half dose inorganic P from Single Super Phosphate-SSP 18% P2O5) and SPLC (poultry litter only); RPEC1 remained the best by showing increases in soil chemical properties (available phosphorus, nitrate nitrogen, extractable potassium), biochemical properties (alkaline phosphatase activity) and biological properties (microbial biomass carbon and microbial biomass phosphorus). Economic analysis in terms of Value Cost Ratio (VCR) showed that the seed inoculation with Pseudomonas sp. in combination with RPEC1 gave maximum VCR (3.23:1) followed by RPEC2 (2.61:1), FDP (2.37:1), HDP (2.05:1) and SPLC (2.03:1). It is concluded that inoculated rock phosphate (RP) enriched compost (RPEC1) can be a substitute to costly chemical fertilizers and seed inoculation with Pseudomonas sp. may further increase the efficiency of composts.

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Effect of phosphorus management on production and phosphorus balance in a rice (Oriza sativaL.)-wheat (Triticum aestivum) cropping system

Cited by 2 publications

References 13 publications

Significance of zinc fertilization and microbial inoculation on phosphorus nutrition of rice (Oryza sativa)

Significance of zinc fertilization and microbial inoculation on phosphorus nutrition of rice (Oryza sativa)

Rock Phosphate-Enriched Compost in Combination with Rhizobacteria; A Cost-Effective Source for Better Soil Health and Wheat (Triticum aestivum) Productivity

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