Effects of Different Soil Moisture on Growth and Yield of Amaranthus spp..
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概要
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This experiment was taken effect of different soil moisture on growth and yield of<I>Amaranthus</I>spp. (C4 plant) as plant of fallow paddy field. Plant materials were<I>Amaranthus caudatus</I>and<I>A. hypochondriacus</I>of Grain Amaranthus, and<I>A. tricolor</I>of Vegetable Amaranthus. The plant was cultivated in 1/2000a Wagner's pot under different soil moisture condition.<BR>The soil moisture conditions were 60-70% of soil moisture, 80-90%, 95-100%, and each consisted of 8 replications.<BR>The results of this investigation are as follow:<BR>1. The difference of soil condition affected growth of root system of<I>A. hypochondriacus</I>and<I>A. tricolor</I>. The two cultivars showed vigorous growth and high yeeld.<BR>2. On the other hand root system growth of<I>A. caudatus</I>was less affected. Further, the growth and yield of<I>A. caudatus</I>deteriorated under high soil moisture condition.
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