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Dris-based nutrient norms for Nagpur mandarin (Citrus reticulata)*

Indian Agricultural Research Journals

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Title Dris-based nutrient norms for Nagpur mandarin (Citrus reticulata)*
 
Creator SRIVASTAVA, A K
SINGH, SHYAM
 
Subject DRIS; Nutrient norms; Nagpur mandarin
 
Description The DRIS norms computed from the data from the set of 57 irrigated commercial 'Nagpur' mandarin (Citrus Jambhiri Lush.) orchards representing 26 locations and 3 basalt derived soil orders (Entisols, Inceptisols and Vertisols) rich in smectite minerals suggested optimum leaf macronutrient concentration (%) as 1.70-2.81N, 0.09-0.15 P, 1.02-2.59K. 1.80-3.25 Ca, and 0.43-0.92 Mg. While optimum level of micronutrients (ppm) was determined as 74.9-1 13.4 Fe, 54.8--84.6 Mn, 9.8- 17.6 Cu, and 13.6-29.6 Zn in relation to fixit yield of 47.7- 117.2 kg/tree. Primary DRIS indices developed on the basis of leaf analysis revealed deficiency of N, P, K, Fe and Za. The nutrient constraints so diagnosed were observed to improve fruit yield in a progressive nutrient response experiment.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-01-12
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/3414
 
Source The Indian Journal of Agricultural Sciences; Vol 77, No 6 (2007)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/3414/1432
 
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