Matten

常见例句

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主要材質:棉次要材質:棉適用對象:嬰兒款式: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.
通過田間取樣、~(15)N示蹤、~(32)P根外追肥等手段分析了黃瓜地膜覆蓋後乾物質的積累與氮、磷、鉀的吸收和分配。覆膜促進了結瓜盛期以前乾物質、氮、鉀的積累吸收以及結瓜盛期磷素的吸收。