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Fate of 15-N labeled Nitrogen in Maize grown with Nutriseed Pack using tracer technique.

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Title Fate of 15-N labeled Nitrogen in Maize grown with Nutriseed Pack using tracer technique.
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Creator Kalaiselvi, B. and Arulmozhiselvan, K
 
Subject Deep placement, Nitrogen use efficiency , Nutriseed pack, Bio-inoculants, Niteogen recovery, Labeled nitrogen
 
Description Not Available
Deep placement of fertilizers will reduce the nutrient losses to the environment and increases the nutrient use efficiency. Nutriseed pack is a small tubular assembly consisting seed with bio-inoculants on top, manure pellet in middle and fertilizer pellet at bottom. A field study has been taken to determine nitrogen recovery and to evaluate the compatibility of phosphorus fertilizer sources with nitrogen sources which suited for Nutriseed pack by estimating the recovery of applied fertilizer N added as 15N labeled urea with Nutriseed pack in maize and retention in soil using 15N tracer technique in eastern block of Tamil Nadu Agricultural University, Coimbatore. This study has revealed that the actual nitrogen recovery from fertilizer and fertilizer nitrogen retention in the soil. The highest fertilizer nitrogen recovery (15N) in leaves, stem and grain (47.95%) was found with NP(DAP)K Nutriseed pack with phosphorus as Di ammonium phosphate placement recording the highest nitrogen use efficiency of 64.91%. Relatively low recovery of nitrogen (45.25%) was observed with NP(SSP)K Nutriseed pack with phosphorus as Single super phosphate placement recording 58.67% of nitrogen use efficiency. The labeled nitrogen retention in soil is recorded low in NP(DAP)K Nutriseed pack placement and comparatively high in NP(SSP)K Nutriseed pack placement.
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Date 2020-12-26T06:51:42Z
2020-12-26T06:51:42Z
2017-02-01
 
Type Research Paper
 
Identifier Not Available
2230-732X
http://krishi.icar.gov.in/jspui/handle/123456789/43719
 
Language English
 
Relation Not Available;
 
Publisher Not Available