Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model
Intercropping is not fancied in high input agriculture of developed countries but it is widely practiced in the agriculture of developing countries. It is now being accepted that well managed intercropping systems are stable and sustainable. An ecophysiological model using the Fortran Simulation Env...
| Main Authors: | , , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2007
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| Subjects: | |
| Online Access: | http://psasir.upm.edu.my/id/eprint/18978/1/ID%2018978.pdf |
| _version_ | 1825946277025677312 |
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| author | Jalloh, Mohamadu Boyie Wan Harun, Wan Sulaiman Talib, Jamal Ramlan, Mohd Fauzi Teh, Christopher Boon Sung |
| author_facet | Jalloh, Mohamadu Boyie Wan Harun, Wan Sulaiman Talib, Jamal Ramlan, Mohd Fauzi Teh, Christopher Boon Sung |
| author_sort | Jalloh, Mohamadu Boyie |
| collection | UPM |
| description | Intercropping is not fancied in high input agriculture of developed countries but it is widely practiced in the agriculture of developing countries. It is now being accepted that well managed intercropping systems are stable and sustainable. An ecophysiological model using the Fortran Simulation Environment (FSE) was used to simulate the leaf area growth of an intercropping system of immature-rubber, banana and pineapple under potential crop growth conditions. The leaf growth for each crop was smimulated based on the amount of dry matter partitioned to the leaves after after respiratory losses were discounted from individual crop light interception and carbohydrate assimilation of the intercrop. At 600 days after planting (DAP) the simulated leaf index (LAI) of rubber and pineapple was on average 1.4 respectively. The simulated LAI for the parent crop of banana was about 4.3 at peak growth (150 DAP), and at the same time the simulated LAI of the first ratoon crop was about 2.7. The mean absolute error (MAE) between simulated and observed LAI for rubber, mother banana, first ratoon banana and pineapple was 7.7%, 15.2%, 27% and 6.4% respectively. This indicates that the leaf area index was simulated with good accuracy but there is scope for improvement. |
| first_indexed | 2024-03-06T07:44:34Z |
| format | Conference or Workshop Item |
| id | upm.eprints-18978 |
| institution | Universiti Putra Malaysia |
| language | English |
| last_indexed | 2024-03-06T07:44:34Z |
| publishDate | 2007 |
| record_format | dspace |
| spelling | upm.eprints-189782016-10-12T04:01:37Z http://psasir.upm.edu.my/id/eprint/18978/ Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model Jalloh, Mohamadu Boyie Wan Harun, Wan Sulaiman Talib, Jamal Ramlan, Mohd Fauzi Teh, Christopher Boon Sung Intercropping is not fancied in high input agriculture of developed countries but it is widely practiced in the agriculture of developing countries. It is now being accepted that well managed intercropping systems are stable and sustainable. An ecophysiological model using the Fortran Simulation Environment (FSE) was used to simulate the leaf area growth of an intercropping system of immature-rubber, banana and pineapple under potential crop growth conditions. The leaf growth for each crop was smimulated based on the amount of dry matter partitioned to the leaves after after respiratory losses were discounted from individual crop light interception and carbohydrate assimilation of the intercrop. At 600 days after planting (DAP) the simulated leaf index (LAI) of rubber and pineapple was on average 1.4 respectively. The simulated LAI for the parent crop of banana was about 4.3 at peak growth (150 DAP), and at the same time the simulated LAI of the first ratoon crop was about 2.7. The mean absolute error (MAE) between simulated and observed LAI for rubber, mother banana, first ratoon banana and pineapple was 7.7%, 15.2%, 27% and 6.4% respectively. This indicates that the leaf area index was simulated with good accuracy but there is scope for improvement. 2007 Conference or Workshop Item NonPeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/18978/1/ID%2018978.pdf Jalloh, Mohamadu Boyie and Wan Harun, Wan Sulaiman and Talib, Jamal and Ramlan, Mohd Fauzi and Teh, Christopher Boon Sung (2007) Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model. In: 18th Malaysian Society of Plant Physiology Conference, 21-23 Aug. 2007, Kota Kinabalu, Sabah. . Intercropping Companion crops Companion planting |
| spellingShingle | Intercropping Companion crops Companion planting Jalloh, Mohamadu Boyie Wan Harun, Wan Sulaiman Talib, Jamal Ramlan, Mohd Fauzi Teh, Christopher Boon Sung Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model |
| title | Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model |
| title_full | Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model |
| title_fullStr | Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model |
| title_full_unstemmed | Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model |
| title_short | Simulated leaf area growths of immature rubber, banana and pineapple intercropping using surhis model |
| title_sort | simulated leaf area growths of immature rubber banana and pineapple intercropping using surhis model |
| topic | Intercropping Companion crops Companion planting |
| url | http://psasir.upm.edu.my/id/eprint/18978/1/ID%2018978.pdf |
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