Modeling of biomass ramets growth patterns using fractal topography analysis of Scirpus grossus L. on peat and paddy soils

Khandaker, Mohammad Moneruzzaman and Majrashi, Ali and Bakar, Baki and Nasrulhaq Boyce , Amru and Jahan, Md Sarwar and S.V., Muniadi (2014) Modeling of biomass ramets growth patterns using fractal topography analysis of Scirpus grossus L. on peat and paddy soils. Research Journal of Biotechnology, 9 (4). pp. 48-55. ISSN 0973-6263

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Abstract

Scirpus grossus L. is a principal rhizomatous weed in the rice fields and wasteland in Malaysia. This study describes to use fractal ramets to create probability distributions fractal of ramets system and growth patterns with fertilizer under different soil types. The NPK fertilizer application at 100:30:30 ha-1 resulted in more robust aerial plant growth with ca. 253.5 ramets m-2(mean dry aerial bioamass of 23.2 gplant-1) compared with 235.6 ramets m-2 (16.3 g plant-1) in unfertilized peat soils 24 weeks after planting of the mother plant. The parallel figures for plants growing on paddy soils of the Jawa series were ca. 97.08 ramets m-1 (12.19 g plant-1)(fertilized paddy soils) and 83.67 ramets m-1 (10.89 g plant-1)(unfertilized paddy soils) 24 weeks after planting of the mother plant. Mean ramets mortality was significantly higher in unfertilized paddy soils at 121.3 ramets m-2, while in the fertilized paddy soils this was only 34.7 ramets m-2 resulting respective net populations of ca. 218.8 ramets m -2 and 114.3 ramets m-2 in fertilized and unfertilized plots. In paddy soils mean ramets mortality in unfertilized paddy soils was ca. 8.58 ramets m-2 while this was only ca. 5.67 ramets m-2, leading to the respective resultant net populations of 91.41m-2 and 75.09 ramets m-2. The time- and space-mediated clonal growth of S. grossus did not register any significant preferential directionality and dispersion of aerial plants of fertilizer application or soil types, but rather displaying opportunistic resource capture by aerial module. In this paper we used ANOVA analysis and fractal dimension gray-level.

Item Type: Article
Keywords: Modeling, Ramets, Growth pattern, Scirpus grossus, Paddy, Peat, Soil
Subjects: S Agriculture > S Agriculture (General)
Faculty / Institute: Faculty of Bioresources & Food Industry
Depositing User: Dr. Mohammad Moneruzzaman Khandaker
Date Deposited: 01 Sep 2014 04:38
Last Modified: 01 Sep 2014 04:38
URI: http://erep.unisza.edu.my/id/eprint/1421

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