Soil fertility in wetland versus reclaimed land using plant parameters in relation to nitrogen content: The case of Yala Swamp, Western Kenya - Research Portal

Journal article

Soil fertility in wetland versus reclaimed land using plant parameters in relation to nitrogen content: The case of Yala Swamp, Western Kenya

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Mfundisi, Kelebogile (Okavango Research Institute)

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Subtitle: Soil Fertility in Wetland versus Reclaimed Land, Kenya

Author list: Kelebogile B. Mfundisi

Publisher: Academic Journals

Publication year: 2008

Journal: Scientific Research and Essay

Volume number: 3

Issue number: 7

Start page: 287

End page: 293

Number of pages: 7

ISSN: 1992-2248

URL: https://academicjournals.org/journal/SRE/article-full-text-pdf/17538F114329.pdf

A bioassay experiment was carried out to assess soil fertility of wetland and adjacent reclaimed wetland (agricultural-land) areas in comparison to their nitrogen contents. Though wetland soils had more total N than agricultural-land soils, the greenhouse findings suggest that organic matter in wetlands does not mineralize as readily as in soils drained for longer periods. Also, when total N increased, the roots to shoots (R:S) ratio decreased thus favoring shoot growth, but less so in wetland soil (r = -0.1) than in agricultural soil (r = -0.2). In fact, the C/N ratios indicated poor nutrient quality in wetland soils as compared to agricultural-land soils. Wetland soils had more acidic pH values, which impeded the growth of the maize shoots and shifted the partitioning towards the roots

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