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Soil Nutrient Status and Leaf Nutrient Norms in Oil Palm (Elaeis Guineensis Jacq.) Plantations Grown in the West Coastal Area of India

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Title Soil Nutrient Status and Leaf Nutrient Norms in Oil Palm (Elaeis Guineensis Jacq.) Plantations Grown in the West Coastal Area of India
Not Available
 
Creator S. K. Behera, K. Suresh, B. N. Rao, K. Manoja & K. Manorama
K. Suresh
 
Subject DRIS; foliar diagnosis; Goa; leaf nutrient; oil palm; soil fertility
 
Description Not Available
Oil palm (Elaeis guineensis Jacq.) is a heavy feeder of nutrients and requires
balanced and adequate supply of nutrients for optimum growth and yield.
Information regarding soil nutrient status and leaf nutrient concentration is
very much required for proper fertilizer application. Therefore, a survey was
conducted for assessment of soil nutrient status and leaf nutrient concentration
in 64 oil palm plantations in the state of Goa lying in the west coastal
region of India. Soil pH, electrical conductivity (EC), organic carbon (OC),
available potassium (K) (ammonium acetate-extractable K) (NH
OAc-K), available
phosphorus (P) (Bray’s-P), exchangeable calcium (Ca) (Exch. Ca) and
magnesium (Mg) (Exch. Mg), available sulphur (S) (calcium chloride-extractable
S) (CaCl
-S), and hot water soluble boron (B) (HWB) in surface (0–20 cm
depth) soil layers ranged from 4.25 to 6.77, 0.05 to 1.06 dS m
2
–1
, 5.07 to 48.4 g
kg
–1
, 58.1 to 1167 mg kg
–1
, 1.80 to 415 mg kg
–1
4
, 200 to 2997 mg kg
, 36.0 to
744 mg kg
–1
, 3.00 to 87.7 mg kg
–1
and 0.09 to 2.10 mg kg
–1
, respectively.
Diagnosis and Recommendation Integrated System (DRIS) norms were established
for different nutrient expressions and were used to compute DRIS
indices. As per DRIS indices, the order of requirement of nutrients in the
region was found to be P > Mg > K > nitrogen (N) > B. Optimum leaf nutrient
ranges as per DRIS norms varied from 1.64 to 2.79%, 0.36 to 0.52%, 0.37 to
0.75%, 0.89 to 1.97%, 0.35 to 0.63%, 0.89 to 1.50%, 3.10 to 13.9 mg kg
, 7.50
to 32.2 mg kg
−1
, 35.0 to 91.1 mg kg
−1
, 206 to 948 mg kg
, and 895 to
2075 mg kg
−1
for N, P, K, Ca, Mg, S, B, copper (Cu), zinc (Zn), manganese (Mn),
and iron (Fe) respectively. On the basis of DRIS-derived sufficiency ranges, 14,
5, 11, 6, 6, 6, 8, 2, 3, 6, and 16% of leaf samples had less than optimum
concentrations of N, P, K, Ca, Mg, S, B, Cu, Zn, Mn, and Fe respectively. The
optimum ranges developed can be used as a guide for routine diagnostic and
advisory purpose for balanced utilization of fertilizers
Not Available
 
Date 2018-11-19T07:47:32Z
2018-11-19T07:47:32Z
2015-09-09
 
Type Research Paper
 
Identifier COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 2016, VOL. 47, NO. 2, 255–262
0010-3624 (Print) 1532-2416 (Online)
http://krishi.icar.gov.in/jspui/handle/123456789/11993
 
Language English
 
Relation Not Available;
 
Publisher Taylor & Francis