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http://krishi.icar.gov.in/jspui/handle/123456789/58963
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Muneshwar Singh, Sammi Reddy, K., Singh, V. P. and Rupa, T. R. | en_US |
dc.date.accessioned | 2021-08-21T04:42:31Z | - |
dc.date.available | 2021-08-21T04:42:31Z | - |
dc.date.issued | 2006-02-17 | - |
dc.identifier.citation | Not Available | en_US |
dc.identifier.issn | Not Available | - |
dc.identifier.uri | http://krishi.icar.gov.in/jspui/handle/123456789/58963 | - |
dc.description | Not Available | en_US |
dc.description.abstract | Integrated use of inorganic fertilizer N and well decomposed cattle manure (CM) or 30–35 days old Parthenium (Parthenium hysterophorus L.), a weed grown off site as green manure (GM) under repeated applications of fertilizer P and urea N for eight years in a rice (Oriza sativa L.)–wheat (Triticum estivum L.) sequence was studied on transformation of fertilizer P applied to soil at the National Research Center for Weed Science, Jabalpur, India. Based on the results, it appeared that, repeated applications of 52 kg super-phosphate P resulted in a marked increase in Olsen P linearly with time. Conjunctive use of urea fertilizer N with organic manure resulted in a larger increase in Olsen P in the Vertisol. Studies further revealed that the greater accumulation of fertilizer P applied in excess to crop removal occurred in inorganic P in the plots receiving only fertilizer N. However, plots receiving fertilizer N along with organic manures led to P accumulation predominantly in organic forms. The study suggests that these two pools of P acted as a sink when fertilizer P was applied in excess to crop removal and are bio-chemically active. The Olsen P status after 8 cycles of rice–wheat crops revealed that the average amount of fertilizer P required after adjusting for crop uptake to increase Olsen P by 1 mg kg 1 soil was 7.2 kg P ha 1 in the plots receiving only fertilizer N. Whereas, application of 5 t FYM or 6 t GM reduced it to 4.6 kg P ha 1. The plots receiving manure always maintained a greater concentration of Olsen P. The application of CM or GM with fertilizer N enriched short-term inorganic P as well as long-term organic P fertility. After eight years, larger concentrations of organic P in the subsurface layer (16–30 cm), compared to initial values, indicates downward movement of P in organic forms. | en_US |
dc.description.sponsorship | Not Available | en_US |
dc.language.iso | English | en_US |
dc.publisher | Not Available | en_US |
dc.relation.ispartofseries | Not Available; | - |
dc.subject | Cattle manure; Green manure; Fertilizer N; Organic and inorganic P pools; Apparent P recovery; Vertisol | en_US |
dc.title | Phosphorus availability to rice (Oriza sativa L.)–wheat (Triticum estivum L.) in a Vertisol after eight years of inorganic and organic fertilizer additions | en_US |
dc.title.alternative | Not Available | en_US |
dc.type | Research Paper | en_US |
dc.publication.projectcode | Not Available | en_US |
dc.publication.journalname | Bioresource Technology | en_US |
dc.publication.volumeno | 98 | en_US |
dc.publication.pagenumber | 1474–1481 | en_US |
dc.publication.divisionUnit | DRM | en_US |
dc.publication.sourceUrl | Not Available | en_US |
dc.publication.authorAffiliation | ICAR-CRIDA | en_US |
dc.ICARdataUseLicence | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf | en_US |
dc.publication.naasrating | 13.54 | en_US |
Appears in Collections: | NRM-CRIDA-Publication |
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