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SHADING EFFECTS ON SOYBEAN AND CORN

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概要 Shades for reducing available irradiance were placed over field-grown plants to measure light effects on root and shoot morphology and phenology. As reported in the past the ratios of leaf and shoot b...iomass to leaf area decreased with shade intensity. The 20%-of-ambient treatment greatly reduced corn root growth, but the trend from 70 to 27% ambient was weak. Kernel row numbers on the corn cob were sensitive to shade level. In general soybean was more shade tolerant than corn. The treatments supplying 49 to 20%-of-ambient resulted in longer internodes in soybean, which induced severe lodging. The many measurements reported are useful for generating logic for biomass dynamics in crop stands.続きを見る

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登録日 2009.04.22
更新日 2015.11.06