Release of Ammonium-N (NH4+) and Nitrate-N (NO3-) by different Leguminous Cover Crops (LCC) planted in peat soils / Muhammad Rahmat Abdul Rahman
Peat soils is renowned for the low mineral-N concentration which is crucial for crop’s growth. One of the most effective and conserving method to improve the soil mineral-N concentration is by planting leguminous cover crops (LCCs) which is common in oil palm plantation area. However, different LCCs...
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| Format: | Student Project |
| Language: | en |
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Faculty of Plantation and Agrotechnology
2019
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| Online Access: | https://ir.uitm.edu.my/id/eprint/24313/1/24313.pdf https://ir.uitm.edu.my/id/eprint/24313/ |
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| Summary: | Peat soils is renowned for the low mineral-N concentration which is crucial for crop’s growth. One of the most effective and conserving method to improve the soil mineral-N concentration is by planting leguminous cover crops (LCCs) which is common in oil palm plantation area. However, different LCCs were found to release different concentration of mineral-N into the soils. Hence, this study aims to determine the concentration of mineral-N in form of ammonium-N (NH4+) and nitrate-N (NO3-) released by different types of LCCs namely Mucuna bracteata, Calopogonium mucunoides, Pueraria javanica and Centrosema pubescens as well as to evaluate the effects on physico-chemical properties of peat soils. Results showed that Mucuna bracteata released a significant amount of ammonium-N (NH4+) into the soils and shows a vigorous growth compared to other LCCs. It is suggested that most of the LCCs can survive in acidic peat condition whilst improving the concentration of ammonium-N (NH4+) and nitrate-N (NO3-). |
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