Matten

常见例句

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主要材质:棉次要材质:棉适用对象:婴儿款式:其它
The authers made observation and analysis on the accumulation of dry matten and distribution of nitrogen ( N ) , phosphate ( P ) and pota-ssium(K ) of cucumber by mulching plastic film.
通过田间取样、~(15)N示踪、~(32)P根外追肥等手段分析了黄瓜地膜覆盖后干物质的积累与氮、磷、钾的吸收和分配。覆膜促进了结瓜盛期以前干物质、氮、钾的积累吸收以及结瓜盛期磷素的吸收。