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Soil fertility, leaf nutrient concentration and yield limiting nutrients in oil palm (Elaeis guineensis) plantations of Surat district of Gujarat

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Title Soil fertility, leaf nutrient concentration and yield limiting nutrients in oil palm (Elaeis guineensis) plantations of Surat district of Gujarat
Not Available
 
Creator S. K. Behera, B. N. Rao, K. Suresh, K Ramachandrudu, K. Manorama
K. Suresh
 
Subject DRIS, Foliar diagnosis, Leaf nutrient, Oil palm, Optimum range, Soil properties
 
Description Not Available
A survey was conducted for assessment of soil fertility status, leaf nutrient concentration and identification of
yield limiting nutrients in twenty six oil palm (Elaeis guineensis Jacq.) plantations in Surat district of Gujarat. Soil pH, electrical conductivity (EC), organic carbon (OC), available potassium (K) (NH
OAc-K), available phosphorus (P) (Olsen-P), exchangeable calcium (Ca) (Exch. Ca) and magnesium (Mg) (Exch. Mg), available sulphur (S) (CaCl 4S)
and hot water soluble boron (B) (HWB) content in surface (0-20 cm depth) and subsurface (20-40 cm depth) soil layers varied widely. Diagnosis and Recommendation Integrated System (DRIS) norms were established for different nutrient expressions and it was used to compute DRIS indices. As per DRIS indices, the order of requirement of nutrients in the area was found to be K > nitrogen (N) > B > P > Mg. Optimum leaf nutrient ranges as per DRIS norms
varied from 2.63 to 2.85%, 0.16 to 0.18%, 0.56 to 0.88%, 0.34 to 0.84% and 9.10 to 32.5 mg/kg for N, P, K, Mg and
B respectively. On the basis of DRIS derived optimum ranges, 65, 31, 35 and 8 per cent leaf samples had less than
optimum concentration of N, P, K and B respectively. The optimum ranges developed could be used for efficient
nutrient management
Not Available
 
Date 2018-11-19T04:43:25Z
2018-11-19T04:43:25Z
2015-09-28
 
Type Research Paper
 
Identifier Indian Journal of Agricultural Sciences 86 (3): 409–13, March 2016
0019-5022
http://krishi.icar.gov.in/jspui/handle/123456789/11886
 
Language English
 
Relation Not Available;
 
Publisher ICAR