Transforming spatio-temporal yield maps to classified management zone maps for efficient management of oil palm

Anuar, Abdul Rahim and Kah, Joh Goh and Tee, Bee Heoh and Ahmed, Osumanu Haruna (2008) Transforming spatio-temporal yield maps to classified management zone maps for efficient management of oil palm. American Journal of Applied Science, 5 (10). pp. 1392-1396. ISSN 1546-9239

Full text not available from this repository.

Abstract

One of the major challenges in oil palm plantations today is proper interpretation of yield maps for site-specific management and development of classified management zone maps for its efficient management. A study was conducted on an on-going fertilizer response trial in Sabah, Malaysia to examine the possibility of converting spatio-temporal yield maps of oil palm to classified management zone maps for practical management purposes. Two clusters of palms were selected for the study; with and without N fertilizer applications for the past 10 years. Fresh fruit bunch (ffb) yields were summarized on an annual basis. Point kriging method of geostatistics was used to interpolate ffb yields at unsampled locations. A classified management zone map was developed based on the spatial and temporal stability yield maps from 1992-1999. Nine management zones were derived form the spatio-temporal features in the ffb yield variations for decision making. Two management zones of high, stable yields and high, fairly stable yields and 4 management zones of moderate, stable yields; moderate, fairly stable yields; moderate, unstable yields; and low, unstable yields were then demarcated from area with and without N applications for practical management purposes. The results demonstrate the potential of transforming spatial and temporal stability of ffb yield maps from multi-year yield data to practical classified management zone maps for site-specific oil palm management particularly for fertilizer application. However, the potential of misinterpretation of yield maps can be high if limited data are available. Further work is necessary to ascertain the minimum number of palms and years required for the generation of meaningful yield maps and management zones.

Item Type:Article
Keyword:Temporal variability ; Spatial variability ; Nitrogen fertilizer ; Oil palm yield ; Malaysia ; Oil palm yield Management maps
Subject:Palm oil
Subject:Land capability for agriculture
Subject:Agricultural mapping
Faculty or Institute:Faculty of Agriculture
Publisher:Science publications
ID Code:17473
Deposited By: Norhazura Hamzah
Deposited On:18 May 2012 02:45
Last Modified:19 Oct 2012 02:06

Repository Staff Only: item control page

Document Download Statistics

This item has been downloaded for since 18 May 2012 02:45.

View statistics for "Transforming spatio-temporal yield maps to classified management zone maps for efficient management of oil palm"


Universiti Putra Malaysia Institutional Repository

Universiti Putra Malaysia Institutional Repository is an on-line digital archive that serves as a central collection and storage of scientific information and research at the Universiti Putra Malaysia.

Currently, the collections deposited in the IR consists of Master and PhD theses, Master and PhD Project Report, Journal Articles, Journal Bulletins, Conference Papers, UPM News, Newspaper Cuttings, Patents and Inaugural Lectures.

As the policy of the university does not permit users to view thesis in full text, access is only given to the first 24 pages only.