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植物碳营养
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植物碳营养
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植物碳营养
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carbon nutrient in plant
植物碳营养
碳居17种必需营养元素之首,是植物有机体的主要组分。在1800年被确定为必需营养元素。正常生长植株的干物质中碳元素的平均含量在45%左右。
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viral covert mortality disease of shrimp
viral disease
viral disease in marine molluscs
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viral disease of marine fishes
viral disease of preshwater aquiculture
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viral DNA packaging motor
viral DNA packaging motors
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viral drug resistance
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viral haemorrhagic fever
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