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Evaluation of cropping sequences of hybrid vegetables for N fertilizer recovery efficiency and utilization of residues using 15N-enriched urea

Indian Agricultural Research Journals

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Title Evaluation of cropping sequences of hybrid vegetables for N fertilizer recovery efficiency and utilization of residues using 15N-enriched urea
 
Creator Kotur, S C
Ramesh, P R
Anjaneyulu, K
Ramachandran, V
 
Subject Cabbage
Cropping sequences
Hybrid vegetables
N fertilizer recovery efficiency
Okra
Tomato
Utilization of residual N
 
Description Among six possible cropping sequences of okra (Abelmoschus esculentus), tomato (Lycopersicon esculentum) and cabbage (Brassica oleracea var. capitata), the sequence ‘cabbage-tomato-okra’ was the most N efficient showing 17.925 kg/plot (1 m × 1.8 m) of fertilizer N uptake and 39.6% recovery of N applied to the first crop, followed by that of ‘cabbage-okra-tomato’ (35.9). Cabbage as the second crop showed the highest recovery of residual fertilizer N of 2.27 – 4.61% compared to other crops. The ability of the crops in the uptake of fertilizer N and therefore the associated fertilizer recovery efficiency was in the order: cabbage> tomato>okra when grown as first and second crops. The recovery of residue by the third crop was meager (0.12– 0.33%). Therefore, the inherent capacity of the component vegetable crop in a cropping sequence to utilize the direct and residual N decides the overall N-use efficiency of the cropping sequence.
 
Publisher Indian Council of Agricultural Research
 
Date 2012-09-18
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJAgS/article/view/23837
10.56093/ijas.v82i9.23837
 
Source The Indian Journal of Agricultural Sciences; Vol. 82 No. 9 (2012); 811–3
2394-3319
0019-5022
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJAgS/article/view/23837/11387
 
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