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Mapping spatial variability of leaf nutrient status of oil palm (Elaeis guineensis Jacq.) plantations in India

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Title Mapping spatial variability of leaf nutrient status of oil palm (Elaeis guineensis Jacq.) plantations in India
Not Available
 
Creator S. K. Behera, K. Suresh, K. Ramachandrudu , K. Manorama and B. N. Rao
K. Suresh
 
Subject geostatistics, ordinary kriging, precision farming, saving inputs
 
Description Not Available
Spatial variability of leaf nutrients in oil palm (Elaeis guineensis Jacq.) plantations in Goa, Karnataka,
Mizoram and Gujarat states of India were examined for implementation of site-specific fertilisation programs.
Georeferenced leaf samples were collected randomly for the oil palm plantations. The leaf nutrient concentrations
were assessed and analysed statistically and geostatistically. The concentrations of leaf nutrients such as nitrogen (N),
phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), sulfur (S) and boron (B) in oil palm plantations varied
widely at different locations. Leaf P concentration was positively and significantly correlated with S concentration at
Goa, Karnataka and Gujarat. Positive and significant correlation between leaf Ca and Mg concentration was recorded
at Mizoram and Gujarat. Geostatistical analysis of leaf nutrients showed different distribution patterns at different
locations. This study revealed the need to determine spatial variability of nutrient status of oil palm plantations before
planning a differential fertiliser program. Therefore, saving of nutrients could be achieved by adopting site-specific
nutrient-management strategies.
Not Available
 
Date 2018-11-19T07:48:31Z
2018-11-19T07:48:31Z
2015-07-13
 
Type Research Paper
 
Identifier Crop & Pasture Science, 2016, 67, 109–116
1836-0947
http://krishi.icar.gov.in/jspui/handle/123456789/12000
 
Language English
 
Relation Not Available;
 
Publisher CSIRO PUBLISHING