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运用 MATLAB软件对不同营养土上生长的美国黄松苗形态指标和各器官干物质积累量进行了分析 ,结果表明 :不同营养土对美国黄松苗生长无显著影响
Using MATLAB software to analyze the morphological characters and dry matter accumulation of P. xylostella grown on different nutrition soils, the results showed that: the different nutrition soil had no significant effect on the growth of P. americana seedlings