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Simulation programme for oil palm LAI and yield prediction

Computer simulation models have become an alternative source of information and replacing or enhancing information derived from costly and arduous field experiments, specially like oil palm where filed experiment are expensive, time consuming and laborious. Relatively there are little attempts to de...

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Main Authors: Wan Ismail, Wan Ishak, Awal, Md Abdul, Endan, Johari, Harun, Mohd. Haniff
Format: Conference or Workshop Item
Language:English
Published: 2005
Online Access:http://psasir.upm.edu.my/id/eprint/39395/1/39395.pdf
http://psasir.upm.edu.my/id/eprint/39395/
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spelling my.upm.eprints.393952015-08-24T02:58:16Z http://psasir.upm.edu.my/id/eprint/39395/ Simulation programme for oil palm LAI and yield prediction Wan Ismail, Wan Ishak Awal, Md Abdul Endan, Johari Harun, Mohd. Haniff Computer simulation models have become an alternative source of information and replacing or enhancing information derived from costly and arduous field experiments, specially like oil palm where filed experiment are expensive, time consuming and laborious. Relatively there are little attempts to develop mechanistic models to simulate or forecast oil palm yield. A computer simulation model was developed using Visual C++ for simulation of leaf area index, radiation interception and yield of oil palm. Light interception was modelled using a modified Monsi-Saeki equation. Leaf area index and growth were modelled based on OPSIM approach (Kraalingen, 1985). The growth rate was assumed under ample supply of water and nutrients, in a pest, disease and weed free environment under the prevailing weather conditions. Therefore the rate of dry matter accumulation was a function of radiation interception, temperature and crop characteristics. Simulation results show that leaf area index had a large effect on radiation interception and a significant linear relationship with gap fraction. A significantly relationship was found between the simulated leaf area index and simulated yield, and actual LAI. The simulated LAI can be integrated with the photographic LAI for forecasting the oil palm yield. 2005 Conference or Workshop Item NonPeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/39395/1/39395.pdf Wan Ismail, Wan Ishak and Awal, Md Abdul and Endan, Johari and Harun, Mohd. Haniff (2005) Simulation programme for oil palm LAI and yield prediction. In: International Conference on Advanced Materials 2005: Conference on Bio-Engineering (CoBE 2005), 6-8 Dec. 2005, Putrajaya, Malaysia. .
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Computer simulation models have become an alternative source of information and replacing or enhancing information derived from costly and arduous field experiments, specially like oil palm where filed experiment are expensive, time consuming and laborious. Relatively there are little attempts to develop mechanistic models to simulate or forecast oil palm yield. A computer simulation model was developed using Visual C++ for simulation of leaf area index, radiation interception and yield of oil palm. Light interception was modelled using a modified Monsi-Saeki equation. Leaf area index and growth were modelled based on OPSIM approach (Kraalingen, 1985). The growth rate was assumed under ample supply of water and nutrients, in a pest, disease and weed free environment under the prevailing weather conditions. Therefore the rate of dry matter accumulation was a function of radiation interception, temperature and crop characteristics. Simulation results show that leaf area index had a large effect on radiation interception and a significant linear relationship with gap fraction. A significantly relationship was found between the simulated leaf area index and simulated yield, and actual LAI. The simulated LAI can be integrated with the photographic LAI for forecasting the oil palm yield.
format Conference or Workshop Item
author Wan Ismail, Wan Ishak
Awal, Md Abdul
Endan, Johari
Harun, Mohd. Haniff
spellingShingle Wan Ismail, Wan Ishak
Awal, Md Abdul
Endan, Johari
Harun, Mohd. Haniff
Simulation programme for oil palm LAI and yield prediction
author_facet Wan Ismail, Wan Ishak
Awal, Md Abdul
Endan, Johari
Harun, Mohd. Haniff
author_sort Wan Ismail, Wan Ishak
title Simulation programme for oil palm LAI and yield prediction
title_short Simulation programme for oil palm LAI and yield prediction
title_full Simulation programme for oil palm LAI and yield prediction
title_fullStr Simulation programme for oil palm LAI and yield prediction
title_full_unstemmed Simulation programme for oil palm LAI and yield prediction
title_sort simulation programme for oil palm lai and yield prediction
publishDate 2005
url http://psasir.upm.edu.my/id/eprint/39395/1/39395.pdf
http://psasir.upm.edu.my/id/eprint/39395/
_version_ 1643832409991413760
score 13.211869

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