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RESEARCH ON FLORA OF PADDY LAND WEED IN CHINA

Yuwen Zhang

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Abstract

On the basis of investigation conducted nationwide on paddy land weed since 1990 and of research on weed specimens collected, this article analyses the flora of paddy land weed in our country, finding out that the flora is consisted of a wide range of elements. A total of 59 families, 158 genera and 505 species of weed is arranged from the specimens collected in the investigation. Most of these kinds are of temperate zone feature, 70% of the total families growing in tropic and temperate zones.

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What this paper is about

On the basis of investigation conducted nationwide on paddy land weed since 1990 and of research on weed specimens collected, this article analyses the flora of paddy land weed in our country, finding out that the flora is consisted of a wide range of elements. A total of 59 families, 158 genera and 505 species of weed is arranged from the specimens collected in the investigation. Most of these kinds are of temperate zone feature, 70% of the total families growing in tropic and temperate zones.

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Available abstract

On the basis of investigation conducted nationwide on paddy land weed since 1990 and of research on weed specimens collected, this article analyses the flora of paddy land weed in our country, finding out that the flora is consisted of a wide range of elements. A total of 59 families, 158 genera and 505 species of weed is arranged from the specimens collected in the investigation. Most of these kinds are of temperate zone feature, 70% of the total families growing in tropic and temperate zones.

Key concepts: Weed, Flora (microbiology), Temperate climate, China, Paddy field, Geography, Range (aeronautics), Biology

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