Investigation on Ecological Distribution of Fungi in Paddy Soils
Paddy soils are derived from various kinds of parent materials under wet cultivation over different parts of China. They developed through repeated and alternate processes of oxidation and reduction. They are usually badly aerated and possess a low oxidation-reduction potential during the growing period of rice(l). As a rule, soil microflora varies with the changes of soil properties(2,3). Fungi are generally considered as obligate aerobes. Nevertheless, fungi survive even in permenantly waterlogged and poorly aerated soil, such as permenantly submerged paddy soils(4), muds and marshes(5,6). This article aims to present the results of investigation on the ecological distribution of fungi in different types of paddy soils in China.
KeywordsAeration Rium Penicillium Trichoderma Coniothyrium
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